Kerastase Cristalliste Baine Fine 250ml Who's it for? There are two shampoos: one for thick hair, the other one for fine hair. What it does: Our cleansing foaming agents remove impurities while respecting the hair. The formulas enriched with a Liquid Light Formula that helps smooth down the lengths of the hair without weighing them down. Result: The roots are cleansed & hair is left looking radiant & feeling light.