skincarecheck
INCI ingredient

Dihydroxyacetone

Dihydroxyacetone appears on 12 ingredient lists in our database, most often in self tanners.

What it triggers

  • Vegan originNot sureorigin not on file
  • FragranceNonot a perfume ingredient
  • ParabenNonot a preservative of this family
  • SulfateNonot a sulfate surfactant
  • SiliconeNonot a silicone
  • AlcoholNonot a drying alcohol

What it does

Dihydroxyacetone appears on 12 ingredient lists in our database, most often in self tanners.

It does not belong to any of the six groups we check, so it never changes a verdict.

We have not written the plain-language note for this ingredient yet; the facts above come straight from how it is classified.

Functions: hair dyeing, tanning, skin conditioning - miscellaneous

In the EU ingredient database

Functions listed by CosIng
  • hair dyeing
  • tanning
  • skin conditioning - miscellaneous
  • hair dyeing: Imparting color to hair. Hair dyeing preparations may be temporary, semi-permanent, permanent, depending on the length of time the colorant remains on the hair.
  • tanning: Darkening the skin with or without exposure to UV.
  • skin conditioning - miscellaneous: Enhancing the appearance of dry and/or damaged skin by reducing flaking and restoring suppleness.

CAS 96-26-4 · EC 202-494-5

EU regulation

Listed in Annex III (ref. 322) of the EU Cosmetics Regulation, maximum concentration (a) 6,25 % (b) 10 %. (a) Hair dye substance in non-oxidative hair dye products (*) (b) Self-tanning products (*) (*) From 26 January 2022 hair dye and self-tanning products containing that substance and not complying with the restrictions shall not be placed on the Union market. From 22 April 2022 hair dye and self-tanning products containing that substance and not complying with the restrictions shall not be made available on the Union market III/322

Source: CosIng, European Commission. Informative, no legal value; the regulation text is the reference.

Classification from the INCI name; product lists from Open Beauty Facts.Report a mistake