This hair mask intensely nourishes and hydrates the hair and can be combined with the rest of the collection's formulas. Its formula softens the hair fibre, controls frizz and provides softness for healthy-looking hair. It is designed as an extra treatment that complements any of the collection's ranges, suitable for fine, medium or thick hair. How to use: Use once a week or when hair needs extra conditioning. Apply after shampooing, massage throughout the hair and leave on for a few minutes before rinsing thoroughly.