A potent eyelash growth ingredient that works but can cause irritation and darkening of the eyelid skin or iris.
Irritation
moderate
Source
synthetic
Beauty ingredient research
Browse the review database to understand what an ingredient is, what it does in a beauty formula, when it is useful, and when it deserves caution across skincare, haircare, bodycare, makeup, and more.
20769
Reviewed ingredients
524
Low-concern standouts
2884
Need usage caution
A potent eyelash growth ingredient that works but can cause irritation and darkening of the eyelid skin or iris.
Irritation
moderate
Source
synthetic
Eyelash growth enhancer
Dihydroxypropyl Dehydrolatanoprostamide
A synthetic prostaglandin analog that can boost eyelash growth but may cause irritation and requires careful use.
Irritation
moderate
Source
synthetic
Ketotravoprost is a potent synthetic ingredient that can stimulate eyelash growth but carries risks of eye irritation, darkening of the eyelid skin, and potential changes in eye color.
Irritation
high
Source
synthetic
Methyl Travoprost is a synthetic prostaglandin analog that can promote eyelash growth, but it carries risks of irritation and potential side effects, including darkening of the eyelid skin and iris color changes.
Irritation
moderate
Source
synthetic