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Head-to-head evidence comparison — which supplement is right for you?
Retinol 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 Bakuchiol and Retinol have evidence — compare verdict strength side-by-side.
Topical cosmetic only. Bakuchiol is typically formulated around 0.5-1% in leave-on serums or creams and applied to clean skin once or twice daily. Unlike retinol it is not photolabile, so it can be used AM or PM, though daily sunscreen is still recommended. There is no oral, injectable, or systemic dose — it is not ingested. This library does not provide an ingestion protocol.
any
Leave-on topical serum or cream (0.5-1% purified bakuchiol)
Topical cosmetic only. OTC retinol is formulated roughly 0.1-1% in leave-on serums or creams and applied to clean, dry facial skin at night, starting 2-3 nights per week and building to nightly as tolerated. There is no oral, injectable, or systemic dose — this is not ingested. Higher concentrations work somewhat better but irritate more; pair with a moisturizer and a morning sunscreen. This library does not provide an ingestion protocol.
evening
Leave-on topical serum or cream (0.1-1% retinol)
Throughout
8-12 weeks
Throughout
Throughout
Throughout
8-24 weeks
8-24 weeks
Throughout
Prospective, randomized, double-blind assessment of topical bakuchiol and retinol for facial photoageing.
Br J Dermatol (2019) · Rct · n=44
Randomized, double-blind, 12-week study: 44 patients applied bakuchiol 0.5% cream twice daily or retinol 0.5% cream daily
Bakuchiol: a retinol-like functional compound revealed by gene expression profiling and clinically proven to have anti-aging effects.
Int J Cosmet Sci (2014) · In vitro
Comparative gene-expression profiling in a full-thickness skin model showed great similarity between retinol's and bakuchiol's effects on the gene-expression profile
Trichloroacetic acid model to accurately capture the efficacy of treatments for postinflammatory hyperpigmentation.
Arch Dermatol Res (2020) · Open label · n=20
Prospective, non-randomized vehicle-controlled trial in 20 subjects (phototypes IV-VI) with a history of acne-induced post-inflammatory hyperpigmentation
Improvement of naturally aged skin with vitamin A (retinol).
Arch Dermatol (2007) · Rct · n=36
Randomized, double-blind, vehicle-controlled left/right-arm study: 0.4% retinol lotion vs vehicle applied up to 3x/week for 24 weeks in 36 elderly subjects (mean age 87)
A stabilized 0.1% retinol facial moisturizer improves the appearance of photodamaged skin in an eight-week, double-blind, vehicle-controlled study.
J Drugs Dermatol (2009) · Rct · n=64
Eight-week, double-blind, split-face, randomized study: stabilized 0.1% retinol moisturizer (36 subjects) vs vehicle (28 subjects) in women with moderate facial photodamage
Comparative efficacy of topical interventions for facial photoaging: a network meta-analysis.
Sci Rep (2025) · Meta analysis
Systematic review and Bayesian network meta-analysis of 23 RCTs (3905 participants) of topical anti-photoaging agents
Retinol has a higher evidence score (5/10 vs 4/10) and wins in 2 of 3 categories.
For reduce wrinkles & fine lines, Retinol has a higher relevance score (75 vs 65).
No known interactions between Bakuchiol and Retinol have been documented in our database. However, always consult a healthcare provider before combining supplements.