Overview

SCIENTIFIC SCORE
Possibly Effective
Based on 16 Researches
7.8
USERS' SCORE
Good
Based on 9 Reviews
8.7
Supplement Facts
Serving Size:  1 Tablet
Amount Per Serving
%DV
Zinc (as Zinc Gluconate)
30 mg
273%

Top Medical Research Studies

8
Zinc effective for acne treatment
We explored how zinc affects acne through a systematic review and meta-analysis that looked at two main questions. First, we wanted to know if there are differences in zinc levels between people with acne and those without. Second, we examined how effective zinc treatments are for managing acne.

Our findings showed that individuals with acne had noticeably lower serum zinc levels compared to those in the control group. Furthermore, when we looked at treatments, those who received zinc showed a significant reduction in their inflammatory papule count—a common symptom of acne. Importantly, we noted that side effects from zinc supplementation were similar to those seen in other treatments, suggesting that zinc is safe to use.

Overall, acne patients appear to benefit from improved zinc levels, especially when zinc is used either on its own or alongside other acne treatments. This gives hope for those looking for effective ways to tackle acne issues!
Read More
We aimed to explore how effective zinc sulphate is in treating mild to moderate acne compared to the well-known antibiotic lymecycline. In our study, we involved 100 participants who were randomly assigned to receive either zinc sulphate or lymecycline.

To measure the effectiveness of the treatments, we used the Global Acne Grading System and a special questionnaire focused on acne's impact on quality of life. After four and twelve weeks of treatment, we found that both treatments significantly reduced acne severity.

However, the results showed something interesting. The patients who took zinc sulphate reported greater improvements in their quality of life than those on lymecycline. This indicates that zinc not only helps with acne but may also lead to a better overall experience during treatment.

Our findings suggest that zinc sulphate could be a compelling alternative to lymecycline, providing similar clinical benefits without the risk of antibiotic resistance associated with long-term antibiotic use.
Read More
We examined the potential of zinc compounds, particularly zinc-amino acid complexes, to effectively treat acne. This study focused on how these zinc formulations could not only help with acne but also ensure safety for the skin.

Initially, we checked the cytotoxicity of the zinc complexes on human skin cells, demonstrating their safety. We then evaluated their antibacterial properties, which are crucial for combating acne-causing bacteria. After finding promising results, we selected zinc complexes with glycine and histidine to create unique gel formulations.

The next steps involved thorough testing of these gel preparations for stability, purity, and tolerability. We confirmed that they maintained their quality over time, showed no irritation or allergic reactions in a patch test with 25 volunteers, and exhibited high microbiological purity.

Ultimately, our findings suggest that these zinc-based gels can be a valuable topical option for acne treatment due to their strong antibacterial performance and minimal toxicity to skin cells. Our dermatological formulations appear safe and effective, contributing positively to acne management.
Read More

Most Useful Reviews

9.5
Skin significantly improved
Good Zinc helped with acne. I really liked the 30 mg dose; it's just right. I took it for acne, alongside brewer's yeast, vitamin A, and omega 3. Thanks to these remedies, my skin has improved significantly—much better than before. After a month of use, I've noticed clear results with post-acne marks disappearing. The effect was noticeable by the second week. I highly advise it. If you find this review helpful, please click YES. Good luck to everyone :)
Read More
9.5
Prevents acne effectively
Acne. Helps keep acne at bay.
Read More
9.5
Tremendous acne relief
Perfect dose and excellent quality! Each tablet contains 30 mg and is made with Zinc Gluconate, which I read has minimal cadmium levels. I take it for various reasons, but the most noticeable benefit is how much it helps my acne. Additionally, my hair feels better when I run my fingers through it.
Read More

Medical Researches

SCIENTIFIC SCORE
Possibly Effective
Based on 16 Researches
7.8
  • All Researches
9.5
Zinc's role in acne treatment
We investigated the effectiveness of a novel microneedle patch designed for acne treatment, which incorporates zinc-based nanoparticles. This patch combines sodium hyaluronate with zinc porphyrin-based metal-organic frameworks and zinc oxide. By using ultrasound to release activated oxygen, we observed a remarkable antibacterial efficiency, achieving a 99.73% reduction in acne-causing bacteria within just 15 minutes.

Zinc plays a crucial role in this innovative approach. Not only does it help eliminate harmful bacteria, but it also appears to enhance skin health. The presence of zinc ions promotes the up-regulation of genes associated with DNA replication, which supports the growth of fibroblasts. This is a vital process for skin repair and rejuvenation, showing that zinc can potentially contribute to both the treatment and recovery of acne-affected skin.

Overall, our findings suggest that this microneedle patch, which utilizes zinc and ultrasound-responsive technology, represents a promising strategy for effectively managing acne without relying on traditional antibiotics.
Read More
We investigated how zinc treatment affects acne, particularly focusing on its potential benefits for those suffering from acne rosacea. The study observed that zinc sulfate solution at a concentration of 5% played a notable role in reducing the severity of acne rosacea symptoms.

Findings indicated that around 40% to 60% of patients experienced a moderate to good response after using zinc. This suggests that zinc could be helpful for individuals looking for alternatives or supplements in their acne treatment regimen.

However, it's important to acknowledge that while zinc showed positive results, the isolated effect of zinc alone cannot be fully determined. It might have worked in conjunction with other treatment factors, which complicates our understanding of its effectiveness.

Therefore, we emphasize the need for further studies to clarify exactly how zinc contributes to acne treatment outcomes and to evaluate its role alongside other therapies.
Read More
9
We assessed the potential of zinc oxide nanoparticles in combating acne. Using biogenically synthesized zinc oxide, we mixed it with a polymer to create a topical nanogel aimed at treating acne. Through rigorous testing against acne-causing bacteria, we observed that these biogenic nanoparticles showed a promising antibacterial effect, particularly against Gram-positive bacteria.

Notably, the particle size of our biogenic zinc oxide nanoparticles measured around 20 nm, indicating a high degree of purity. When pitted against chemogenic counterparts, the biogenic version proved to be more effective. This suggests that zinc oxide, especially when produced biogenically, could be a valuable addition to skincare products targeting acne.

Moreover, the study highlights the environment-friendly aspect of using biogenic zinc oxide in skincare formulations, making it a preferable choice for those concerned about sustainability. Our findings suggest that these hybrid nanogels could serve as an effective solution against skin infections associated with acne, adding to their appeal in modern skincare.
Read More
We wanted to find out how effective a cleansing gel containing salicylic acid, zinc gluconate, and lipohydroxy acids is for treating truncal acne. Conducted over 84 days, our study included 51 individuals with mild to moderate acne, and we tracked various skin conditions like the number of acne lesions and the overall skin barrier health.

After regular use of the gel, we observed a significant reduction in total acne lesions—over half were improved by the end of the study. While non-inflammatory lesions saw a drop of 64% and inflammatory lesions were reduced by nearly 30%, the key point is that zinc gluconate was part of a trio of ingredients, making it challenging to pinpoint its specific contribution.

When we considered skin barrier function, a notable improvement was also measured—21.26% better at Day 84. Patients reported no significant side effects or intolerances, suggesting that the ingredients within the gel, including zinc, were well tolerated.

Overall, the evidence hints at zinc's potential benefits as part of a combination treatment against acne. But since it was used together with other active ingredients, we can't solely credit zinc for the results observed.
Read More
We aimed to explore how effective zinc sulphate is in treating mild to moderate acne compared to the well-known antibiotic lymecycline. In our study, we involved 100 participants who were randomly assigned to receive either zinc sulphate or lymecycline.

To measure the effectiveness of the treatments, we used the Global Acne Grading System and a special questionnaire focused on acne's impact on quality of life. After four and twelve weeks of treatment, we found that both treatments significantly reduced acne severity.

However, the results showed something interesting. The patients who took zinc sulphate reported greater improvements in their quality of life than those on lymecycline. This indicates that zinc not only helps with acne but may also lead to a better overall experience during treatment.

Our findings suggest that zinc sulphate could be a compelling alternative to lymecycline, providing similar clinical benefits without the risk of antibiotic resistance associated with long-term antibiotic use.
Read More

User Reviews

USERS' SCORE
Good
Based on 9 Reviews
8.7
  • All Reviews
  • Positive Reviews
  • Negative Reviews
9.5
Skin significantly improved
Good Zinc helped with acne. I really liked the 30 mg dose; it's just right. I took it for acne, alongside brewer's yeast, vitamin A, and omega 3. Thanks to these remedies, my skin has improved significantly—much better than before. After a month of use, I've noticed clear results with post-acne marks disappearing. The effect was noticeable by the second week. I highly advise it. If you find this review helpful, please click YES. Good luck to everyone :)
Read More
9.5
Prevents acne effectively
Acne. Helps keep acne at bay.
Read More
9.5
Tremendous acne relief
Perfect dose and excellent quality! Each tablet contains 30 mg and is made with Zinc Gluconate, which I read has minimal cadmium levels. I take it for various reasons, but the most noticeable benefit is how much it helps my acne. Additionally, my hair feels better when I run my fingers through it.
Read More
9.5
Acne treatment effective
The small size makes it easy to consume, and it’s effective for acne, so I always take it for my skin.
Read More
8.3
Tremendous benefits noted
It's better than expected. I appreciate that the tablets are 30 mg and made with Zinc Gluconate—low in cadmium. I use it for various reasons and have discovered numerous daily benefits. Most importantly, it has helped my acne tremendously. My hair also feels great when I touch it.
Read More

Frequently Asked Questions

Acne is a common skin condition that affects people of all ages, though it's especially prevalent among teenagers and young adults. It occurs when hair follicles become clogged with oil and dead skin cells, leading to the formation of pimples, blackheads, and cysts. The main factors contributing to acne include excess oil production, hormonal changes, and the presence of bacteria on the skin. Acne can manifest in various forms, from mild cases with just a few breakouts to more severe forms that can cause significant inflammation and scarring.

Treatment for acne varies depending on its severity and can range from over-the-counter topical treatments like benzoyl peroxide and salicylic acid to prescription medications including retinoids and antibiotics. Lifestyle adjustments, such as maintaining a balanced diet and proper skin hygiene, may also contribute to managing and reducing breakouts. Despite being a common skin issue, the psychological impact of acne should not be underestimated, as it can affect self-esteem and overall quality of life.

Zinc is a versatile metal known for its various applications in industry and health. It is a bluish-white metallic element represented by the symbol Zn and atomic number 30 on the periodic table. Zinc is primarily used for galvanizing steel to prevent rusting, in the manufacturing of alloys, and as a component in batteries. Additionally, zinc plays a crucial role in biological processes, making it an essential trace element in the human diet. It is involved in immune function, protein synthesis, wound healing, and DNA synthesis, highlighting its importance in maintaining overall health and well-being.

Zinc has been recognized for its potential benefits in managing acne due to its anti-inflammatory properties and ability to reduce oil production in the skin. Several studies suggest that zinc supplements may help decrease the severity of acne lesions and improve overall skin health. Additionally, zinc plays a crucial role in the immune system, which can be beneficial in fighting off the bacteria that contribute to acne breakouts. For individuals struggling with moderate acne, opting for zinc supplements or using topical treatments containing zinc might offer some relief and improvement.

That said, while zinc can assist in managing acne, it is not a standalone solution, and results can vary. It’s important to combine any zinc treatment with a comprehensive skincare routine tailored to your skin type and acne severity. Consulting a dermatologist before starting any new supplement or treatment is wise, as they can offer personalized advice and the most effective treatment options for your specific situation.

Based on user reviews, many individuals report seeing noticeable improvements in their acne within a relatively short time frame. For instance, one reviewer noted significant results after one month, mentioning that post-acne marks began to fade after just two weeks of consistent use (Read Review). Another user confirmed an 80% reduction in their daughter's acne after a month of using the supplement (Read Review).

Overall, it appears that many users experience some level of improvement within a few weeks to a month, making it a potentially effective option for those struggling with acne. However, results can vary depending on individual factors, and patience may be necessary to see the full benefits of the supplement.

Zinc emerges as a promising supplement in the ongoing struggle against acne, supported by a variety of scientific studies. Research indicates that dietary zinc can potentially reduce inflammation associated with acne, with high doses showing particularly beneficial effects in various models, including mouse models and human clinical trials [1][4]. One study reported that about 40% to 60% of patients experienced moderate to good results from zinc treatments, particularly when zinc sulfate was used [2]. Clinical observations also revealed that zinc levels tend to be lower in individuals with acne, suggesting a potential link between zinc deficiency and acne severity [16].

However, while zinc shows promise, its effectiveness as a standalone treatment remains inconclusive. Many studies indicate mixed results, often highlighting that zinc's benefits may be enhanced when used in conjunction with other therapies [5][9]. Moreover, some research suggests that zinc may help to mitigate side effects when paired with traditional acne medications like isotretinoin, although it may not significantly improve treatment outcomes on its own [9]. Thus, while zinc supplementation might be beneficial for some acne sufferers, the variability in individual responses and the need for further research complicate recommendations. As always, it's advisable to consult with a healthcare provider before starting any new supplement regimen.

Users have reported a variety of positive improvements in their acne symptoms after incorporating this zinc supplement into their routines. Many have highlighted that they experienced noticeable results within just a few weeks to a month of consistent use. For example, one user shared their experience of seeing clear results, including fading post-acne marks, after only a month, with noticeable effects by the second week (Read Review). Another reviewer noted an impressive 80% reduction in their daughter's acne within the same one-month timeframe (Read Review).

Additionally, users have reported that this supplement is particularly effective for hormonal acne, attributing a noticeable decrease in breakouts to its regular use (Read Review). Overall, many individuals found that not only did their acne improve, but they also noticed additional benefits such as enhanced hair health and overall skin condition. It’s important to note, however, that individual results may vary based on factors like skin type and overall lifestyle.

Based on user reviews, many individuals have reported positive experiences when combining this zinc supplement with other products for acne management. One user noted achieving significant skin improvement by taking zinc alongside brewer's yeast, vitamin A, and omega-3 supplements, mentioning that their skin noticeably improved after a month of this combined regimen (Read Review). This suggests that a multi-supplement approach may enhance the effects on acne.

Users also highlighted specific benefits of zinc for hormonal acne, with one review indicating that the supplement effectively decreased their hormonal acne breakouts (Read Review). It appears that those integrating zinc with additional supplements may experience a more comprehensive improvement in their acne symptoms and overall skin health. However, as always, individual results can vary, and it's recommended to consider personal skin types and needs when combining supplements.

When it comes to treating acne, research has indicated that high-dose dietary zinc may offer promising results. In a study examining its effects, high-dose zinc was tested and validated in an acne mouse model, suggesting that it could help reduce inflammation associated with acne vulgaris, rosacea, and hidradenitis suppurativa [1]. While specific dosage recommendations may vary, the studies clearly advocate for high-dose zinc, highlighting its potential as a novel treatment avenue for individuals struggling with inflammatory skin conditions.

Additionally, zinc sulfate in concentrations such as 5% has shown notable results in reducing acne rosacea symptoms, with around 40% to 60% of patients experiencing a moderate to good response [2]. Overall, while the exact optimal dose may not be universally defined, the evidence supports the efficacy of higher doses for those looking to incorporate zinc into their acne treatment regimen. However, users should be mindful of potential gastrointestinal side effects and may want to consult their healthcare provider to tailor the dosage to their specific needs and treatment plans.

9.5
Skin significantly improved
Good Zinc helped with acne. I really liked the 30 mg dose; it's just right. I took it for acne, alongside brewer's yeast, vitamin A, and omega 3. Thanks to these remedies, my skin has improved significantly—much better than before. After a month of use, I've noticed clear results with post-acne marks disappearing. The effect was noticeable by the second week. I highly advise it. If you find this review helpful, please click YES. Good luck to everyone :)
8.3
Daughter's acne improved
It helped my daughter's acne. She had numerous spots on her face, but after one month of use, 80% of it has cleared up.
8.8
Hormonal acne reduction
Zinc 30 mg is a good product for hormonal acne as my acne is noticeably decreasing.
8
Zinc treatment shows promise for acne
We explored how zinc treatment may help with inflammatory skin conditions like acne vulgaris, rosacea, and hidradenitis suppurativa. These conditions can appear quite similar, which makes diagnosing them a bit tricky. By examining gene expression data across these three disorders, we noticed that certain zinc-binding proteins were consistently elevated in all cases.

Our hypothesis centers around these proteins possibly sequestering zinc, which could promote inflammation due to local zinc deficiency. To investigate this further, we identified high-dose dietary zinc as a potential therapeutic option. This was tested and validated in an acne mouse model, showing promising results for its effectiveness in reducing the inflammation associated with acne.

Although the study specifically highlighted the isolated effect of zinc, it strongly suggests that incorporating high doses of dietary zinc might offer a new avenue for treatment. This could be an encouraging option for those struggling with acne, pointing to a novel approach grounded in scientific findings.
8
Zinc shows promise for acne treatment
We examined how dietary zinc may affect acne. Our analysis focused on comparing transcriptomic data from acne vulgaris, rosacea, and hidradenitis suppurativa. The goal was to uncover the different molecular pathways involved in these skin conditions.

Throughout this study, we identified specific genes and pathways that are uniquely expressed in each condition. Interestingly, we found that high doses of dietary zinc could potentially serve as an effective treatment for acne. To ensure the accuracy of our findings, we also validated its impact using an acne mouse model, which supported our initial hypothesis.

This research highlights zinc's possible role in acne management. We believe that these findings could provide new avenues for treating inflammatory skin conditions, streamlining the therapeutic process for those affected.
We investigated how zinc treatment affects acne, particularly focusing on its potential benefits for those suffering from acne rosacea. The study observed that zinc sulfate solution at a concentration of 5% played a notable role in reducing the severity of acne rosacea symptoms.

Findings indicated that around 40% to 60% of patients experienced a moderate to good response after using zinc. This suggests that zinc could be helpful for individuals looking for alternatives or supplements in their acne treatment regimen.

However, it's important to acknowledge that while zinc showed positive results, the isolated effect of zinc alone cannot be fully determined. It might have worked in conjunction with other treatment factors, which complicates our understanding of its effectiveness.

Therefore, we emphasize the need for further studies to clarify exactly how zinc contributes to acne treatment outcomes and to evaluate its role alongside other therapies.
8
Zinc effective for acne treatment
We explored how zinc affects acne through a systematic review and meta-analysis that looked at two main questions. First, we wanted to know if there are differences in zinc levels between people with acne and those without. Second, we examined how effective zinc treatments are for managing acne.

Our findings showed that individuals with acne had noticeably lower serum zinc levels compared to those in the control group. Furthermore, when we looked at treatments, those who received zinc showed a significant reduction in their inflammatory papule count—a common symptom of acne. Importantly, we noted that side effects from zinc supplementation were similar to those seen in other treatments, suggesting that zinc is safe to use.

Overall, acne patients appear to benefit from improved zinc levels, especially when zinc is used either on its own or alongside other acne treatments. This gives hope for those looking for effective ways to tackle acne issues!
We delved into the effectiveness of oral zinc treatment for acne through a systematic review of randomized clinical trials. The study drew from numerous databases to pinpoint research that examined how zinc—and other nutraceuticals—could potentially alleviate acne symptoms.

Among the 42 studies reviewed, several demonstrated a possible benefit from various vitamins and botanicals, including zinc. Specifically, while zinc therapy was included, it was noted that gastrointestinal side effects were associated with it, which might deter some users. Overall, zinc's effectiveness in reducing acne lesions was not conclusively separated from other treatments, as the results showed mixed findings across different studies.

Therefore, while zinc may play a role in improving acne symptoms, it's essential for users to be aware of the potential adverse effects and the treatment's variability in individual responses. More extensive and well-structured trials are likely needed to clarify zinc's precise impact in treating acne.
5
Zinc and isotretinoin treatment study
We explored the potential benefits of adding oral zinc to low-dose isotretinoin therapy for those dealing with acne vulgaris (AV). By comparing two groups of participants, one receiving zinc along with a lower dose of isotretinoin and another group on the standard dosage, we aimed to see if this combination could enhance treatment outcomes and reduce side effects.

After monitoring sixty AV patients, it was found that both groups showed similar reductions in acne lesions and grading scores, meaning the zinc didn’t provide an additional benefit in clearing up acne compared to the standard treatment alone. However, patients who took zinc experienced significantly fewer treatment-related side effects, with only 20% reporting issues versus 76.7% in the standard isotretinoin group.

In terms of patient satisfaction and relapse rates, there was no notable difference between the two groups. While we did observe improvements in both groups, the addition of zinc appeared to serve primarily as a means to lessen the adverse effects of isotretinoin rather than significantly enhancing treatment efficacy. Thus, while the findings are promising for a more tolerable treatment pathway, more research is necessary to fully understand zinc's impact when combined with isotretinoin at varying dosages.

References

  1. Li L, Hajam I, McGee JS, Tang Z, Zhang Y, et al. Comparative transcriptome analysis of acne vulgaris, rosacea, and hidradenitis suppurativa supports high-dose dietary zinc as a therapeutic agent. Exp Dermatol. 2024;33:e15145. doi:10.1111/exd.15145
  2. Algarin YA, Pulumati A, Jaalouk D, Tan J, Nouri K. The role of vitamins and nutrients in rosacea. Arch Dermatol Res. 2024;316:142. doi:10.1007/s00403-024-02895-4
  3. Akman TC, Yazici M, Atila A, Mertoglu C. Analysis of Isotretinoin-Induced Alterations in the Levels of Plasma Trace Elements: Investigation of the Relationship Between Magnesium, Phosphorus, Potassium, Zinc, and Treatment-Related Side Effects. Biol Trace Elem Res. 2024;202:4858. doi:10.1007/s12011-023-04053-9
  4. Li L, Hajam I, McGee JS, Tang Z, Zhang Y, et al. Comparative Transcriptome Analysis of Acne vulgaris, Rosacea, and Hidradenitis Suppurativa Supports High Dose Dietary Zinc as a Therapeutic Agent. medRxiv. 2023. doi:10.1101/2023.11.28.23299152
  5. Shields A, Ly S, Wafae B, Chang YF, Manjaly P, et al. Safety and Effectiveness of Oral Nutraceuticals for Treating Acne: A Systematic Review. JAMA Dermatol. 2023;159:1373. doi:10.1001/jamadermatol.2023.3949
  6. Tan YY, Wong LS, Nyam KL, Wittayanarakul K, Zawawi NA, et al. Development and Evaluation of Topical Zinc Oxide Nanogels Formulation Using and Its Effect on Acne Vulgaris. Molecules. 2023;28. doi:10.3390/molecules28196749
  7. Xiang Y, Lu J, Mao C, Zhu Y, Wang C, et al. Ultrasound-triggered interfacial engineering-based microneedle for bacterial infection acne treatment. Sci Adv. 2023;9:eadf0854. doi:10.1126/sciadv.adf0854
  8. Towersey L, Correia P, Fajgenbaum Feiges M, Euzébio Gonçalves Junior J, Sant'Anna B, et al. Assessment of the Benefit of a Deep Cleansing Gel Containing Salicylic Acid 2%, Zinc Gluconate 0.2% and Lipohydroxy Acids 0.05% in Patients with Mild to Moderate Truncal Acne: Results from an Exploratory Study. Clin Cosmet Investig Dermatol. 2023;16:119. doi:10.2147/CCID.S394123
  9. Salah E. Oral Zinc as a Novel Adjuvant and Sparing Therapy for Systemic Isotretinoin in Acne Vulgaris: A Preliminary Comparative Study. J Clin Aesthet Dermatol. 2022;15:58.
  10. Naji HH, Al-Azawi RSA, Ibrahim NJ, Kzar HH. Investigation of the Role of Zn/Cu Index and its Correlation with Physiological Activity of SOD 1 and GRx in Males with Acne Vulgaris. Arch Razi Inst. 2022;77:623. doi:10.22092/ARI.2021.356857.1928
  11. Searle T, Ali FR, Al-Niaimi F. Zinc in dermatology. J Dermatolog Treat. 2022;33:2455. doi:10.1080/09546634.2022.2062282
  12. Poizeau F, Plantier F, Bell H, Moyal-Barracco M. Vulvar Fordyce adenitis: A cohort of 45 women. Ann Dermatol Venereol. 2021;148:221. doi:10.1016/j.annder.2021.04.001
  13. Tolino E, Skroza N, Mambrin A, Proietti I, Bernardini N, et al. An Open-label Study Comparing Oral Zinc to Lymecycline in the Treatment of Acne Vulgaris. J Clin Aesthet Dermatol. 2021;14:56.
  14. Maillard A, Pastor D, Merat R. Anti-PD-1-Induced Hidradenitis Suppurativa. Dermatopathology (Basel). 2021;8:37. doi:10.3390/dermatopathology8010007
  15. Abendrot M, Płuciennik E, Felczak A, Zawadzka K, Piątczak E, et al. Zinc(II) Complexes of Amino Acids as New Active Ingredients for Anti-Acne Dermatological Preparations. Int J Mol Sci. 2021;22. doi:10.3390/ijms22041641
  16. Yee BE, Richards P, Sui JY, Marsch AF. Serum zinc levels and efficacy of zinc treatment in acne vulgaris: A systematic review and meta-analysis. Dermatol Ther. 2020;33:e14252. doi:10.1111/dth.14252
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