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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 cosmetic only. Leave-on mandelic acid is used at roughly 5-10% in serums; professional peels use higher strengths (often a salicylic-mandelic combination). Apply to clean skin, building frequency as tolerated, with daily sunscreen. There is no oral or systemic dose — it is not ingested. This library does not provide an ingestion protocol.
evening
Leave-on serum (≈5-10% mandelic acid) or a professional (salicylic-)mandelic peel
Throughout
8-16 weeks
2-6 months after stopping
Weeks to months
Throughout
8-12 weeks
8-12 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)
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
RCT (n=50): 45% mandelic acid vs 30% salicylic acid peels every 2 weeks for six sessions over 12 weeks
Comparative Evaluation of Efficacy and Tolerability of Glycolic Acid, Salicylic Mandelic Acid, and Phytic Acid Combination Peels in Melasma.
Dermatol Surg (2016) · Rct · n=90
RCT (n=90): glycolic 35% vs salicylic-mandelic vs phytic acid peels for melasma over 12 weeks
Comparative Study of 35% Glycolic Acid, 20% Salicylic-10% Mandelic Acid, and Phytic Acid Combination Peels in the Treatment of Active Acne and Postacne Pigmentation.
J Cutan Aesthet Surg (2019) · Rct · n=45
RCT (n=45): glycolic vs salicylic-mandelic vs phytic peels biweekly for six sessions
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 Mandelic Acid (topical) have been documented in our database. However, always consult a healthcare provider before combining supplements.