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Head-to-head evidence comparison — which supplement is right for you?
Bimatoprost (lashes) 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
Prescription topical. Bimatoprost 0.03% is applied once daily as a thin line to the skin of the UPPER eyelid margin at the lash base (not to the lower lid, and avoid getting it in the eye), using a fresh applicator per eye. Continuous use is needed to maintain results. Use under a clinician, especially if you have glaucoma or take prostaglandin eye drops. There is no oral or systemic use. This library does not provide an ingestion protocol.
evening
Bimatoprost 0.03% solution (Latisse) with single-use applicators, under a clinician
Topical OTC use. Leave-on and wash-off acne products contain 0.5-2% salicylic acid, applied to affected areas once or twice daily and built up as tolerated; professional peels (20-30%) are applied in-office. There is no oral or systemic dose in this context — it is not ingested (and large-area/high-concentration use can cause systemic salicylate absorption, so follow label limits). This library does not provide an ingestion protocol.
any
Leave-on or wash-off acne product (0.5-2% salicylic acid)
Throughout
8-16 weeks
2-6 months after stopping
Weeks to months
Throughout
4-12 weeks
4-12 weeks
Throughout
Long-term safety and efficacy of bimatoprost solution 0.03% application to the eyelid margin for the treatment of idiopathic and chemotherapy-induced eyelash hypotrichosis: a randomized controlled trial.
Br J Dermatol (2015) · Rct
1-year double-masked RCT: composite primary endpoint (Global Eyelash Assessment + satisfaction) met for bimatoprost vs vehicle in idiopathic (40.2% vs 6.8%) and post-chemotherapy (37.5% vs 18.2%) hypotrichosis
Bimatoprost for eyelash growth in Japanese subjects: two multicenter controlled studies.
Aesthetic Plast Surg (2014) · Rct · n=209
Two double-masked vehicle-controlled RCTs (n=209: 173 idiopathic, 36 chemotherapy-induced) in Japanese subjects
The efficacy of topical prostaglandin analogs for hair loss: A systematic review and meta-analysis.
Front Med (Lausanne) (2023) · Meta analysis
Meta-analysis of six placebo-controlled RCTs of topical prostaglandin analogs (incl. bimatoprost) for hair growth (lashes, brows, scalp)
Comparison of alpha- and beta-hydroxy acid chemical peels in the treatment of mild to moderately severe facial acne vulgaris.
Dermatol Surg (2008) · Rct · n=20
Split-face, double-blind RCT (n=20) comparing 30% salicylic acid vs 30% glycolic acid peels, six treatments at 2-week intervals
Comparison of chloroxylenol 0.5% plus salicylic acid 2% cream and benzoyl peroxide 5% gel in the treatment of acne vulgaris: a randomized double-blind study.
Drugs Exp Clin Res (2003) · Rct · n=37
12-week double-blind RCT (n=37) comparing a 2% salicylic acid (plus chloroxylenol) cream vs benzoyl peroxide 5% gel twice daily
Comparative study of efficacy and safety of 45% mandelic acid versus 30% salicylic acid peels in mild-to-moderate acne vulgaris.
J Cosmet Dermatol (2020) · Rct · n=50
Randomized trial (n=50) of 30% salicylic acid vs 45% mandelic acid peels, six sessions over 12 weeks for mild-to-moderate acne
Bimatoprost (lashes) has a higher evidence score (8/10 vs 5/10) and wins in 2 of 3 categories.
No known interactions between Bimatoprost (lashes) and Salicylic Acid (topical) have been documented in our database. However, always consult a healthcare provider before combining supplements.