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Our database includes 408 products that contain Polyquaternium-51.


Polyquaternium-51 is a polymer salt. It helps hydrate the skin by creating a film on top. This film traps moisture in, keeping your skin soft and hydrated.

Polyquaternium-51 is a rare cosmetic ingredient, with about 1.0% of the products in our database containing it.

What it does:

Skin Conditioning

Where it's used

Polyquaternium-51 is most often found as ingredient number 28 within an ingredient list.

These are the categories of products that use Polyquaternium-51 the most:

CosIng Data

  • CosIng ID: 58830
  • EC #:  -
  • All Functions: Film Forming, Skin Conditioning
What is CosIng?

CosIng is the European Commission database for information on cosmetic substances and ingredients.

SkinSort uses CosIng to source some of it's data on ingredient names and functions.