A hair treatment composition comprising an acrylic pressure sensitive adhesive consisting essentially of a random copolymers comprising: i) an acrylic group having a side-chain with at least 4 carbons (eg n-butyl acrylate or 2-ethylhexyl acrylate) and; ii) a short side-chain acrylic such as methyl acrylate; the weight ratio of C1-C6 side chain acrylic group ii) to the acrylic group iii) is from 1.9 : 98.1 to 4.0:96.0.