A keratin conditioner for smooth and damage-resistant hair| Syoss Keratin is an intense keratin conditioner that reduces your hair's brittleness by 95%. It instantly softens the hair, leaving it perfectly smooth and looking healthy. Compared to untreated hair, it makes hair up to 20 times stronger, which significantly contributes to their resistance to further damage. At the tempo same time, it prevents frizz, restores their natural shine, and makes styling easier without weighing them down.