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Head-to-head evidence comparison — which supplement is right for you?
Benzoyl Peroxide vs Thiamidol: Benzoyl Peroxide has the stronger overall evidence (9 vs 6.5/10); the best pick depends on your goals. Take the 60-second quiz for a pick tailored to your goals.
Benzoyl Peroxide wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Mostly mechanism / observational
Top outcomes
Verdict
Mostly mechanism / observational
Top outcomes
Shared outcomes (1)
Outcomes where both Benzoyl Peroxide and Thiamidol have evidence — compare verdict strength side-by-side.
Topical OTC use. Benzoyl peroxide is used at 2.5-10% in gels, creams, and washes, applied to acne-prone areas once or twice daily; lower strengths (2.5-5%) are usually as effective as 10% with less irritation. There is no oral or systemic dose — it is not ingested. It is often combined with a retinoid (e.g. adapalene) for greater effect. This library does not provide an ingestion protocol.
any
Leave-on gel/cream (2.5-5%) or a fixed combination with a retinoid
Apply a thiamidol-containing serum or cream at 0.1-0.2% twice daily to the affected area, alongside daily broad-spectrum SPF 30 or higher. Continue 12-24 weeks.
morning, evening
Thiamidol 0.2% serum
Throughout
4-12 weeks
Throughout
First weeks
immediate
12 weeks
2-3 weeks
3 weeks
Topical benzoyl peroxide for acne.
Cochrane Database Syst Rev (2020) · Systematic review
Pooled 120 RCTs (29,592 participants); BPO more effective than placebo/no treatment for participant-reported improvement (RR 1.27, 95% CI 1.12 to 1.45)
Efficacy of topical treatments for mild-to-moderate acne: A systematic review and meta-analysis of randomized control trials.
J Eur Acad Dermatol Venereol (2025) · Meta analysis
Network meta-analysis of 35 RCTs (33,472 participants) comparing nine topical acne agents
Adapalene-benzoyl peroxide, a fixed-dose combination for the treatment of acne vulgaris: results of a multicenter, randomized double-blind, controlled study.
J Am Acad Dermatol (2007) · Rct · n=517
517 subjects randomized double-blind to adapalene-BPO, adapalene, BPO, or vehicle for 12 weeks
Inhibition of Human Tyrosinase Requires Molecular Motifs Distinctively Different from Mushroom Tyrosinase
J Invest Dermatol (2018) · In vitro
The discovery paper, and the reason this ingredient exists: most tyrosinase inhibitors were screened against MUSHROOM tyrosinase, which is why so many lack clinical effect.
Efficacy and safety of topical isobutylamido thiazolyl resorcinol (Thiamidol) vs. 4% hydroquinone cream for facial melasma: an evaluator-blinded, randomized controlled trial
J Eur Acad Dermatol Venereol (2021) · Rct · n=50
The comparison that matters: head to head against 4% hydroquinone, the prescription-strength benchmark.
Thiamidol in moderate-to-severe melasma: 24-week, randomized, double-blind, vehicle-controlled clinical study with subsequent regression phase
J Dermatol (2021) · Rct · n=48
The study the abstract calls the FIRST 24-week randomized, double-blind, vehicle-controlled assessment of thiamidol in moderate-to-severe melasma, with a subsequent regression phase.
Benzoyl Peroxide has a higher evidence score (9/10 vs 6.5/10) and wins in 2 of 3 categories.
No known interactions between Benzoyl Peroxide and Thiamidol have been documented in our database. However, always consult a healthcare provider before combining supplements.
The right pick depends on your goals. Answer a few quick questions for a personalised recommendation — or dig into the full evidence on each.