skincarecheck
INCI ingredient

Ammonium Hydroxide

Ammonium Hydroxide appears on 103 ingredient lists in our database, most often in hair dyes.

What it triggers

  • Vegan originYesno animal source
  • FragranceNonot a perfume ingredient
  • ParabenNonot a preservative of this family
  • SulfateNonot a sulfate surfactant
  • SiliconeNonot a silicone
  • AlcoholNonot a drying alcohol

What it does

Ammonium Hydroxide appears on 103 ingredient lists in our database, most often in hair dyes.

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: buffering, denaturant

Products with Ammonium Hydroxide

in 103 products

Showing 24 of 103 products with this ingredient, most scanned first.

In the EU ingredient database

Functions listed by CosIng
  • buffering
  • denaturant
  • buffering: Stabilising the pH of an aqueous medium in a narrow range even if an acid or base is added. Altering and/or maintaining a cosmetic product's pH at the desired level.
  • denaturant: Rendering cosmetics unpalatable. Mostly added to cosmetics containing ethyl alcohol to make it unsuitable for ingestion.

CAS 1336-21-6 · EC 215-647-6

EU regulation

Listed in Annex III (ref. 4) of the EU Cosmetics Regulation, maximum concentration 6% (as NH3). III/4 Above 2%: Contains ammonia

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