System for fine chemically enhanced hair in the early stages of thinning - gently cleanses and removes toxins like DHT (Dihydrotestosterone). BioSTYM adds thickness and strengthens the hair shaft. Bionutrients and Micro-Gen-Complex safeguard the scalp from drying irritation caused by chemical services and extend longevity and vibrancy of color. Adds Thickness Strengthens Hair Shaft Safeguards scalp from drying irritation. 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