Use of metal oxide nanopigments for protecting hair keratin against atmospheric attack, especially light, method of protecting hair and gel composition using these nanopigments

摘要

PCT No. PCT/FR92/00486 Sec. 371 Date May 9, 1994 Sec. 102(e) Date May 9, 1994 PCT Filed Jun. 2, 1992Use of metallic oxide nanopigments selected from titanium, zinc, cerium and zirconium or blends thereof, having an average size of less than 100 nm and preferably 5 and 50 nm, to preserve the hair's mechanical properties and especially its strength and elasticity, and protect it against external influences and especially sunlight. The quantity of metallic oxide nanopigments used in a non-rinsed cosmetic support is between 0.2 and 2% by weight. The invention also concerns cosmetic compositions for hair in the form of gel.