Kerastase Nutritive Bain Ol�o-Relax gently cleanses the hair. The micro-emulsion technology enriches, smoothes and disciplines the hair. Hair is easy to comb and feels silky, supple and is prepared for an application of the appropriate Care. To Use: Apply to wet hair. Gently massage and rinse. Re-apply, leave for a few minutes and rinse thoroughly. Country of origin is United States. Gently cleanses the hair. Hair is easy to comb and feels silky, supple and is prepared for an application of the appropriate Care. The micro-emulsion technology enriches, smoothens and disciplines the hair.