The needs of Dry, Brittle, Thinning Hair. Over time, hair may become dry, thin and lacking in shine. It demands targeted care that restrengthens it from within to give tangibly fuller hair. The bouncing formula with HYALURONAN COMPLEX refills thin, brittle hair from within. Hair regains its inner strength, becomes fuller and tangibly more supple. KERATIN RECONSTRUCTION: Liquid Keratin reconstructs the hair and renews its quality by repairing damaged areas deep inside the hair and on its surface.