An intensive leave-in scalp treatment for excessively thin-looking areas and low density hairlines. Provides vitamin-enriched nourishment onto the scalp and protects hair against the photo-toxic effects of sunlight and the damaging effects of DHT (Dihydrotestosterone). Transforms lifeless hair back to healthy, thick, and strong hair. BioSTYM adds thickness and strengths the hair shaft. Bionutrients and Micro-Gen-Complex safeguard the scalp from drying irritation cause by chemical services and extend longevity and vibrancy of color. Thicker, Stronger hair Vitamin-enriched nutrients Protects against sunlight and DHT (Dihydrotestosterone). This product is for Licensed Professionals Only. To have your order confirm, we must have your professional license on file. You can email your licenses information to newsupplyzone@yahoo.com or please call 314-254-7556. Monday through Saturday 9:00 am to 7:00 pm