"aerosol hair spray for the establishment of a tu00e9trapolymu00e8re containing acrylic acid and n - vinyl pyrrolidone, n - tertiobutylacrylamide and ethyl methacrylate.cosmetic composition for the hair.this composition in the form of a spray containing a solvent spray.as a substallce forming a tu00e9trapolymu00e8re resulting from copolymerization of (a), 4 to 6% by weight of acrylic acid (aa), (b) 42 to 52% by weight of n - vinyl pyrrolidone (nvp).(c) 15 to 25% by weight of n - tertiobutylacrylamide (s (ba), and (d) 20 to 26% by weight of ethyl methacrylate (ema), the functions of tu00e9trapolymu00e8re carboxylic acid is neutralized.partially or entirely with a mineral or organic base, the propellant of the lacquer is at least one non halogenated compound.this lacquer is an excellent power and makes the hair shiny and laquant.
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