Intensive keratin in single-dose ampoules, at pH 4.5. Each vial holds a concentrated treatment for hair that needs more than a mask, used as a course rather than a one-off. The twelve-vial box makes it the strongest home treatment in the range.
How to use
After shampooing, apply the contents of one vial to towel-dried hair and massage through. Leave for a few minutes, then rinse. Use as a weekly course.
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