What it is: ARREN STIMULANT HAIR LOTION tonic lotion, suitable for cases of hair loss and dandruff, with proven effectiveness. What it offers: Formula with integrated BioS Pro technology to strengthen hair strength, proper functioning and scalp balance. No rinse required. Dermatologically tested.For hair loss cases: Helps stimulate hair regeneration, increasing the number of hairs in the anagen phase by 8.3%. Proven effectiveness after 3 months of use.For dandruff: Helps effectively remove visible flakes and combat dandruff. Proven efficacy after 2 months of use under dermatological supervision.BioS Pro – FORTIFIER TECHNOLOGY: Vitamin B complex of Biotin, Niacinamide and Panthenol, selected ingredients of plant origin and active micronutrients from minerals, which, thanks to their synergistic action, provide intensive hair care in cases of dandruff and hair loss.