Dihydroxyacetone is a simple carbohydrate derivative and cosmetic colorant known as the key self-tanning agent. It produces a temporary surface tan in sunless tanners and tinted lotions, and formulators manage its irritation risk.
The active ingredient in self-tanners that develops a temporary tan.
Category
Color
Type
Colorant
Ingredient Ratings
Overall Rating
Good
Comedogenic Risk
None
Skin Benefits
Develops a temporary bronze tone without sun exposure, helping skin look more tanned. Color gradually fades with natural exfoliation, allowing adjustable depth through reapplication.
Uses In Skincare & Cosmetics
Used in autobronzing lotions, mousses, and sprays for body application. Also featured in facial tanning drops and gradual-tan moisturizers for buildable color.
Comedogenic Rating
This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.
Safety
Carries an irritation risk and may cause stinging, dryness, or transient redness; avoid use on broken skin and around eyes, and patch test if sensitive. Can stain fabrics and has a characteristic odor but these are not safety hazards; use in well-ventilated areas for sprays.
Is Dihydroxyacetone a Good Ingredient?
Good rating because it reliably produces a temporary surface tan via reaction with skin proteins and is well-established in cosmetics. However, it can sting or irritate, especially on compromised skin or near eyes, so careful use is needed.