Is Zinc Good for Your Skin? Acne, Spots and Wound Healing

Zinc contributes to the maintenance of normal skin, and that sentence is the whole of what a UK label may say about zinc and skin. UK adults need about 9.5 mg a day (men) and 7 mg (women), and the NHS says "Do not take more than 25mg of zinc supplements a day unless advised to by a doctor".^{1, 2} Acne has its own trials: in the largest, 332 patients on 30 mg of zinc a day for three months, 31.2% reached success against 63.4% on the antibiotic minocycline, and every trial dose sat above the NHS line.^{3, 4} Part of the Wellgard zinc guide and the vitamins and minerals guide.

Sources checked on 30 October 2026.

Is zinc good for your skin?

Zinc contributes to the maintenance of normal skin.² The NHS lists what zinc "helps with" as "making new cells and enzymes", "processing carbohydrate, fat and protein in food" and "wound healing".¹ Skin shows a shortage early: in Prasad's review, severe deficiency brings a "bullous-pustular dermatitis", moderate deficiency "rough skin" and "delayed wound healing".⁵ Signs of zinc deficiency covers who runs short, does zinc help with hair loss the hair question, and what vitamins should I take with collagen and is it safe to take a hyaluronic acid supplement zinc's place on skin products.

Does zinc help with acne or spots?

Acne is "a common skin condition causing spots that can range from mild to severe" (NHS); anything sold to treat it is a medicine, so this page makes no such claim for zinc.⁶ The NHS does say: "A pharmacist can recommend treatments for acne, including: treatments you put on your skin; supplements that come as tablets, such as zinc, niacinamide and vitamin A".⁶ A 2020 meta-analysis found lower serum zinc in people with acne than in controls and "a significant improvement in mean inflammatory papule count" in patients given zinc.³ The largest trial, in 2001, randomised 332 patients with inflammatory acne to 30 mg of elemental zinc as zinc gluconate or to minocycline for three months; success, a fall of more than two-thirds in papules and pustules by day 90, was reached by 31.2% on zinc and 63.4% on minocycline, with gastrointestinal effects the main adverse effect in both groups.⁴ A 1980 placebo-controlled trial of 56 patients at about 135 mg of zinc a day (600 mg of zinc sulphate) for 12 weeks saw 17 of 29 on zinc (58%) improve and none on placebo.⁷

A course like the trials', above the NHS line of 25 mg, is a conversation with a GP or pharmacist. The NHS says to see a GP if you have acne and:⁶

• "you've tried treating it yourself but it's not getting better"
• "you have lots of spots, or the spots are deep, painful or causing scars"
• "you have signs of a skin infection, such as hot, swollen and red skin"
• "it's affecting your mental health"

Is zinc oxide on your skin the same as zinc you swallow?

No. Zinc oxide in sunscreens, nappy creams and some spot products sits on the surface; the trials above are about zinc swallowed. Questions about a product you apply are outside this guide; the NHS names salicylic acid and benzoyl peroxide as the acne treatments to try on the skin.⁶

Does zinc help rosacea or eczema?

Four small controlled trials of zinc by mouth exist, two in rosacea and two in atopic eczema; one of each found improvement and one of each did not.^{8, 9, 10, 11} For rosacea, the NHS says to see a GP if you have symptoms, and to get urgent help (GP or 111) for a painful or red eye, blurred vision or sensitivity to light.¹² For atopic eczema, see a GP if treatments are not helping, and get urgent help if it is blistered, crusty, leaking fluid, painful or swollen, suddenly worsens or comes with a high temperature.¹³ Dermatitis is a deficiency sign on the UK Expert Group's list, so a rash the usual creams have not settled is a reason to ask a GP about a zinc test.¹⁴

Does zinc help wounds heal?

The NHS lists "wound healing" among what zinc "helps with", and Prasad's review states that "Zinc is beneficial for wound healing in zinc-deficient subjects".^{1, 5} A 2014 Cochrane review of oral zinc sulphate for leg ulcers found six small trials with 183 participants; the four comparing zinc with placebo in venous ulcers showed no statistically significant difference in healing (risk ratio 1.22, 95% CI 0.88 to 1.68); all six were small and at unclear risk of bias.¹⁵ A wound that is not healing is a GP matter.

If you take an antibiotic for acne, does zinc interfere?

It can. The two antibiotic tablets the NHS names for acne are doxycycline and lymecycline.⁶ For lymecycline: "Tell your doctor if you're taking: any supplements that contain aluminium, bismuth, calcium, magnesium or zinc".¹⁶ For doxycycline, "medicines or supplements that contain iron or zinc" are among the things that "may not mix well with doxycycline".¹⁷ If you are prescribed any antibiotic, tell the pharmacist about every supplement that contains zinc; what should you not take with zinc has the full list.

How much zinc for skin, and can it make you feel sick?

About 9.5 mg a day for men aged 19 to 64 and 7 mg for women, and the 25 mg supplement line above, because "Taking high doses of zinc reduces the amount of copper the body can absorb. This can lead to anaemia and weakening of the bones."¹ The acne trials used 30 to 135 mg a day under medical supervision. Two label facts: the figure that counts is elemental zinc (220 mg of zinc sulphate is 50 mg of zinc), and every product containing zinc adds to one total, so a multivitamin plus a vitamin C and zinc tablet can together pass 25 mg.¹⁸

Nausea is dose-related. In a 1987 trial of 47 healthy volunteers on 150 mg of zinc a day for six weeks, headaches, abdominal cramps, nausea, loss of appetite and vomiting were reported by 84% of the women and 18% of the men, and six women withdrew, five of them because of stomach irritation.¹⁸ The UK Expert Group on Vitamins and Minerals records that such effects were "particularly apparent when the supplements were taken with little or no food", so take zinc with a meal.¹⁴ If pregnant, breastfeeding or buying for a teenager, ask a pharmacist, GP or midwife first; the NHS gives adult figures only. How much zinc a day and can you take too much zinc go further.

What we don't know

What extra zinc does for skin that is not short of it: the acne trials counted lesions in people with acne, and no trial we found has measured healthy skin (vitamin C and zinc together covers brightening).^{3, 4} Whether zinc by mouth helps rosacea or eczema: two small trials of each point opposite ways.^{8, 9, 10, 11} Whether zinc speeds healing in people who are not deficient: the leg-ulcer trials were small and at unclear risk of bias.¹⁵

Frequently asked questions

Can zinc cause a skin rash?

The rash linked to zinc is the one of severe deficiency, Prasad's "bullous-pustular dermatitis"; the acne trials reported stomach effects, not rashes.^{4, 5} A new rash while taking any supplement is a question for a pharmacist.

Can zinc deficiency cause acne?

The 2020 meta-analysis found lower serum zinc in people with acne: an association, not a cause.³ Acne is not itself a deficiency sign; those are dermatitis, slow healing, hair loss, loss of taste and smell, diarrhoea and poor appetite.^{5, 14}

How long does zinc take to help your skin, and does the form matter?

The trials reported at 12 weeks and day 90, and the 2001 trial measured the gap at one month and three; they used zinc gluconate (2001) and zinc sulphate (1980) and did not compare forms, so they say what dose was given, not which form to choose.^{3, 4, 7}

Sources

1. NHS. Vitamins and minerals: others (zinc). Page last reviewed 3 August 2020 (review overdue). nhs.uk.
2. Great Britain nutrition and health claims (NHC) register. Register, last updated 19 May 2026. gov.uk.
3. Yee BE, et al. Serum zinc levels and efficacy of zinc treatment in acne vulgaris: a systematic review and meta-analysis. Dermatologic Therapy, 2020. Pooled analysis of published studies; funding not stated on PubMed. PubMed 32860489.
4. Dreno B, et al. Multicenter randomized comparative double-blind controlled clinical trial of the safety and efficacy of zinc gluconate versus minocycline hydrochloride in the treatment of inflammatory acne vulgaris. Dermatology, 2001. Randomised double-blind trial, 332 patients, 3 months; funding not stated on PubMed. PubMed 11586012.
5. Prasad AS. Clinical manifestations of zinc deficiency. Annual Review of Nutrition, 1985. Narrative review; public funding listed on PubMed. PubMed 3896271.
6. NHS. Acne. Page last reviewed 22 September 2026. nhs.uk.
7. Verma KC, et al. Oral zinc sulphate therapy in acne vulgaris: a double-blind trial. Acta Dermato-Venereologica, 1980. Randomised placebo-controlled trial, 56 patients, 12 weeks; funding not stated on PubMed. PubMed 6163281.
8. Sharquie KE, et al. Oral zinc sulfate in the treatment of rosacea: a double-blind, placebo-controlled study. International Journal of Dermatology, 2006. Randomised crossover trial, 25 patients (19 completed), 3 months per phase; funding not stated on PubMed. PubMed 16863527.
9. Bamford JT, et al. Randomized, double-blind trial of 220 mg zinc sulfate twice daily in the treatment of rosacea. International Journal of Dermatology, 2012. Randomised placebo-controlled trial, 44 completers, 90 days; public or charity funding listed on PubMed. PubMed 22435439.
10. Ewing CI, et al. Failure of oral zinc supplementation in atopic eczema. European Journal of Clinical Nutrition, 1991. Randomised placebo-controlled trial, 50 children, 8 weeks; public or charity funding listed on PubMed. PubMed 1782922.
11. Kim JE, et al. Hair zinc levels and the efficacy of oral zinc supplementation in patients with atopic dermatitis. Acta Dermato-Venereologica, 2014. Controlled trial in children with low hair zinc, 8 weeks; funding not stated on PubMed. PubMed 24473704.
12. NHS. Rosacea. Page last reviewed 17 March 2023. nhs.uk.
13. NHS. Atopic eczema. Page last reviewed 6 September 2024. nhs.uk.
14. Expert Group on Vitamins and Minerals. Safe Upper Levels for Vitamins and Minerals, 2003. Expert committee report. UK Government Web Archive.
15. Wilkinson EA. Oral zinc for arterial and venous leg ulcers. Cochrane Database of Systematic Reviews, 2014. Cochrane review, 6 trials, 183 participants; UK Department of Health funded, no conflicts declared. PubMed 25202988.
16. NHS. Lymecycline with other medicines and supplements. Page last reviewed 13 April 2026. nhs.uk.
17. NHS. Doxycycline. Page last reviewed 5 September 2025. nhs.uk.
18. Samman S, Roberts DC. The effect of zinc supplements on plasma zinc and copper levels and the reported symptoms in healthy volunteers. Medical Journal of Australia, 1987. Double-blind crossover trial, 47 healthy adults, 150 mg a day for 6 weeks; public or charity funding listed on PubMed. PubMed 3547053.

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This article is general information, not medical advice.