Acid Yellow 23

Acid Yellow 23 is a cosmetic ingredient used as a hair dyeing agent. It is used in 1 products in our dataset. It is regulated in the EU (listed in a Cosmetics Regulation annex).

INCI nameACID YELLOW 23
FunctionHAIR DYEING
CAS number1934-21-0
EC number217-699-5
Prevalence1 products (0% of dataset)
Most used inSkincare
EU statusRestricted (annex )
Monthly searches30

Used in

Makeup Removers 100%

Frequently asked

What does Acid Yellow 23 do in skincare?
Acid Yellow 23 functions as a hair dyeing agent in cosmetic formulas.
Is Acid Yellow 23 allowed in cosmetics?
Yes, but it is regulated in the EU — it appears in a Cosmetics Regulation annex with usage conditions.
What products contain Acid Yellow 23?
It is most commonly found in Skincare products, especially makeup removers (100% of its uses).

Manufacturers with experience using Acid Yellow 23

Match with vetted US contract manufacturers that have hands-on experience formulating with this ingredient.