The Argan Oil Sulphate Free Shampoo is the ideal shampoo to delicately cleanse hair which is treated with a Keratin Straightening Treatment such as the Brazilian Blow Straight. The absence of sulphate makes this shampoo ideal and gentle enough to promote longevity and luster to hair that is chemically straightened by these processes. Safe to use on colour -and chemically treated hair. <!--[if gte mso 9]> <w:LsdException Locked="false" Priori