NON-GREASY HAIR FORMULA: Our formula is water-based and non-greasy. As a water-based formula Spectral.F7 delivers better hair absorption for men and women while leaving no oily or sticky residue. The proprietary liquid formula of Spectral.F7 contains Astressin-B, a powerful novel 33 amino acid complex that works directly in the hair follicles. MADE WITH THE FINEST INGREDIENTS: Aside from Astressin-B, this water-based serum contains powerful key active ingredients like Prohairin-B4, Copper Peptides, and Lecithin. This is a sulfate-free, paraben-free, phthalate-free, silicone-free, and gluten-free formula for hair. NANOSOME TECHNOLOGY: DS Laboratories' women's and men's hair products feature our proprietary Nanosome technology. This technology used for encapsulation allows for the sustained release of active ingredients, creating higher efficacy with longer-lasting results. HOW TO USE: Shake the bottle well before use. Spray on the affected area and massage into the scalp evenly. Apply 6 sprays twice daily. Wash hands with soap and water after use. Wait until dry to use styling products. For best results, use in combination with Revita Shampoo and Conditioner. ABOUT DS LABORATORIES: We are on a mission to start a revolution in the personal care industry by developing innovative technologies and products to improve people's lives at every age. DS Laboratories is committed to developing only the best shampoos, conditioners, and other hair care products through research and using only the finest quality ingredients.