摘要 |
A method of chemically modifying the internal region of a hair shaft, comprising the steps of: providing and applying to hair a treatment composition comprising from 0.1% to 20% of an ethylenic monomer by weight of the total composition, an initiator and a dermatologically acceptable carrier; and exposing the hair to a relative humidity of at least 70%, within 1 h of applying the treatment composition, and said exposure lasting for 10 to 90 min. Said method provides improved performance, efficacy and/or efficiency.
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