Ingredient
Polyquaternium-51
PQ-51
Phosphatidylcholine hydroxypropyl trimonium chloride
Lipidure-PMB
What it is
A synthetic cationic polymer with a structure mimicking phosphatidylcholine, used as a skin-conditioning and moisturizing film-former.
How it works
Its phospholipid-analog structure forms a moisturizing, conditioning film on the skin surface that helps retain moisture and improves smoothness.
What it does
Humectant
Skin conditioning
Film forming
Concerns to know
-
Well tolerated
No significant safety concern is reported for this ingredient as used in cosmetics.