Evidence topic

Skin, Hair & Appearance

Browse appearance-related evidence with route and formulation kept visible.

How to read this page

Topic and body-area searches help discovery. They do not imply that evidence from one population, route or body site transfers to another.

Topical human skin/ulcer studies are limited and mixed. The current structured study library does not contain a direct hair-growth efficacy trial.

Blend — no direct clinical evidence identified for the exact blend

Approved medicine for defined indications; healthy-person anti-ageing use has limite…

Small direct human pharmacology signals; unapproved with major safety uncertainty

Small human cosmetic formulation-level evidence; isolated ingredient effect not esta…

Approved narrow indication with additional randomized human metabolic evidence