HAIR TREATMENT METHOD
    15.
    发明公开

    公开(公告)号:EP4190306A1

    公开(公告)日:2023-06-07

    申请号:EP21849346.8

    申请日:2021-07-27

    申请人: Kao Corporation

    摘要: The present invention provides a hair treatment method comprising the following step 1 and step 2, the step 2 being carried out after the step 1:
    (step 1) applying to the scalp a cosmetic composition comprising a pH buffer, an antioxidant and a pH-responsive thickener and having a viscosity of from 1 to 30,000 mPa·s at pH 4.1; and
    (step 2) applying to the hair at least one hair treatment agent composition selected from the group consisting of a hair color composition, a hair bleach composition, a perm composition and a relaxer composition. The hair treatment method improves the scalp protection ability and enables maintenance of a desired hair treatment effect. The cosmetic composition used has a good balance between an application property and a dripping property, so that it is possible to improve convenience of use for users.