Clinically Tested. Salon Proven. For beautiful hair, go back to your roots. Our kind-to-scalp formula, infused with a pre and postbiotic blend of coconut yogurt & ginseng, maintains an optimal foundation for healthy scalp & hair.Intensely hydrates and helps make long hair stronger, softer and healthier looking. Ideal for long or growing hair.Apply to clean, damp hair. Rinse. For best results, use after shampooing with BIOTERA Long & Healthy Shampoo.