What is Amazon Professional Beauty? Amazon has curated a selection of high-quality products that can be found in professional settings such as salons, spas, and dermatology offices. To buy Professional items, just look for the Professional Beauty badge. Professional Beauty Disclaimer: Content on this site is for reference purposes only and is not a substitute for advice from a licensed health-care professional. You should not rely solely on this content, and Amazon assumes no liability for inaccuracies. Always read labels and instructions before using a product. Reverse the effects of thinning, damaged locks and/or hair loss with the BioRepair-8 Stem Cell Scalp Serum by ColorProof. Achieve fuller, thicker hair with our clinically proven formula that is anti-thinning and age-repairing. It is designed with triple-strength levels of biotin and copper peptides along with an AG-Stem Cell Complex. You can begin seeing results after just 4 weeks. Our preventative hair loss serum will leave your mane and scalp feeling healthy and revitalized by targeting the 4 main causes of hair loss. It stops DHT absorption and prevents follicle minimization, in addition to increasing microcirculation while exfoliating the scalp. Your hair will be soft and volumized. A few drops applied twice daily to damp or dry hair will go a long way in restoring and encouraging hair growth. This is a sulfate-free hair serum that will not leave any residue, making it perfect to massage into the scalp and style hair the way you want. Thinning or balding follicles will be revitalized and restored, creating thicker, fuller, and stronger hair. EASY TO USE: BioRepair-8 encourages gentle restoration for healthy, strong hair growth. It is a sulfate-free, non-sticky and/or greasy hair nourishing serum. Apply a few drops on damp or dry hair twice daily, and massage into hair and scalp. Leave the serum in, styling as desired. FAST, LASTING RESULTS: This anti hair-loss serum targets the main causes of hair thinning and breakage. Daily use will reveal fuller, thicker hair with more volume. You can begin seeing dramatic results in as little as 4 weeks. Product Details: (1) BioRepair-8 Stem Cell Scalp Serum Size: 3.4 oz Scent: Bergamot, Jasmine and Eucalyptus Essence ColorProof is a complete line of professional products designed exclusively for color-treated hair. These formulas combine the latest innovations in ingredient technology with best-in-class ingredients to create a new standard. Advanced ColorLast System featuring Chromaveil, derived from corn, and Heliogenol, derived from sunflowers, help provide powerful UVA/UVB color protection. Proprietary blend of 11 sulfate-free, salt-free surfactants derived from coconut and palm delivers gentle cleansing with 96% color retention.* A superior blend of vegan, multiweight proteins derived from potatoes and soy provides strength and repair. A powerful blend of rosemary, sage, shiitake mushroom, geranium and yarrow feeds hair essential nutrients, nourishes and restore youthful brilliance. *Color retention after 10 washes using ColorProof Shampoo and Condition. Results may vary. Tested by UK Croda Industries in 2012.