Polyurethane-40 is a copolymer of Adipic Acid, dimethylolpropanoic acid (DMPA), Isophthalic Acid and saturated bis-methylene diphenyldiisocyanate (SMDI) monomers
CAS #
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Form
Powder
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Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Creates Protective Barrier
Traditional Use
Synthetic polymer developed in the mid-20th century. Used in cosmetics as a film-forming and conditioning agent in hair and skin products.