4-PCA Dimethicone / Bis-Vinyldimethicone Crosspolymer is a polymer of 4-PCA Dimethicone (q.v.) crosslinked with Bis-Vinyldimethicone
FILM FORMING : Producing (upon application) a continuous film on the skin, hair or nails.
SKIN PROTECTING : Helping to avoid harmful effects to the skin from external factors.
VISCOSITY CONTROLLING : Increasing or decreasing the viscosity (thickness) of cosmetics.