Quaternium-51

Quaternium-51 is a cosmetic ingredient used as an antistatic agent. It is used in 2 products in our dataset. It is regulated in the EU (listed in a Cosmetics Regulation annex).

INCI nameQUATERNIUM-51
FunctionANTISTATIC
CAS number1463-95-2
EC number215-976-5
Prevalence2 products (0% of dataset)
Most used inMakeup
EU statusRestricted (annex )
Monthly searches10

Used in

Lash & Brow Serums 100%

Frequently asked

What does Quaternium-51 do in skincare?
Quaternium-51 functions as an antistatic agent in cosmetic formulas.
Is Quaternium-51 allowed in cosmetics?
Yes, but it is regulated in the EU — it appears in a Cosmetics Regulation annex with usage conditions.
What products contain Quaternium-51?
It is most commonly found in Makeup products, especially lash & brow serums (100% of its uses).

Manufacturers with experience using Quaternium-51

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