TIGI S-Factor Health Factor Daily Dose Shampoo is a sulphate-free shampoo that nourishes & strengthens while promoting healthy hair & adding lustrous shine giving you the ‘X’ factor! TIGI S-Factor Health Factor Daily Dose Shampoo contains a fortifying healthy hair complex of nettle yucca white ginger horsetail & rosemary designed to promote healthy hair & scalp for fuller stronger hair.