Abstract: The present invention relates to a cosmetic treatment method comprising the steps of providing a foamable composition, forming a foam from said foamable composition on release from a pressurized container, drying said foam wherein the foam does not disappear upon drying, wherein said foam is applied or generated between the scalp and the scalp hair and thereby raising the hair. Preferred methods are hair styling methods, methods of permanently shaping the hair, methods of coloring hair and hair care methods. The dried foam can be used as mechanical support for raising the hair, especially as substitutes for conventional hair curlers, rollers, pins, hair clips, or hairgrips. The invention also relates to devices for use in said method. The devices comprise a composition capable of forming a foam that can be dried; and an aerosol container equipped with a foaming device.