Nanosome Technology: DS Laboratories formulas feature our proprietary Nanosome Technology. This technology allows for the continuous release of the active ingredients creating higher efficacy with longer lasting results. Suggested Use: Apply Revita Extra Strength Shampoo on wet hair and scalp with a gentle massage, leave on for 2 minutes, rinse. For best results use daily as directed by a doctor or physician. Follow with Revita Conditioner. Most users can see results within 90 days of consistent use with optimal results seen within 120 days. Results may vary. What It Does: Revita Extra Strength Shampoo uses an innovate formula powered by Nanoxidil, Saw Palmetto, Caffeine, Niacinamide, and Green Tea to reenergize the hair follicle, promoting thicker, stronger, fuller looking hair. This shampoo also contains amino acids that support a strong scalp barrier and environment, nourishing, hydrating, and strengthening the hair from within. Who is Revita Extra Strength Shampoo For: Men and women concerned about later stages of hair loss and thinning. Revita Extra Strength Shampoo is a vegan shampoo that uses mild, plant-based cleansers, making them gentle on the scalp and suitable for sensitive skin. This formula is also sulfate-free. Revita Extra Strength Shampoo: Uniquely formulated with our proprietary molecule Nanoxidil and harnessing the power of over 24+ scientifically proven active ingredients, this shampoo helps redensify and strengthens your strands from the inside out.