Acid Blue 9

Acid Blue 9 is a cosmetic ingredient used as a hair dyeing agent. It is used in 1 products in our dataset. It carries no restriction under the EU Cosmetics Regulation annexes.

INCI nameACID BLUE 9
FunctionHAIR DYEING
CAS number3844-45-9
EC number223-339-8
Prevalence1 products (0% of dataset)
Most used inSkincare
EU statusNo annex restriction
Monthly searches110

Used in

After Sun Care 100%

Frequently asked

What does Acid Blue 9 do in skincare?
Acid Blue 9 functions as a hair dyeing agent in cosmetic formulas.
What products contain Acid Blue 9?
It is most commonly found in Skincare products, especially after sun care (100% of its uses).

Manufacturers with experience using Acid Blue 9

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