Conditioning and shine enhancing compositions dramatically and condition hair excellently in terms of combability, elasticity, smoothness and softness for keratin fibers especially human hair are disclosed. Particularly, the compositions disclosed comprise synthetic mica coated with metal oxide or oxides and having a volume particle size distribution of 1 to 750 μm at a concentration of 0.01 to 10% by weight, calculated to total composition, which gives hair shimmery shine.