Next level moisture! Introducing the new Olaplex Professional 4-in-1 Moisture Mask. Powered by Olaplex's patented technology, this professional highly concentrated reparative mask adds intense moisture while providing shine & body to treat damaged hair. Professional-strength ceramides, oils, and 11 vital amino acids provide a luxurious, in-salon deep conditioning treatment, with or without a chemical service. All Olaplex products contain the patented ingredient, Bis-Aminopropyl Diglycol Dimaleate, which strengthens & repairs disulfide bonds for the strongest, healthiest hair possible. Intensely concentrated, up to 100 uses in just one bottle. Time is of the essence in a busy salon. 4-in-1 Moisture Mask works quickly & efficiently to address dryness in even the most severe cases. Moisturizes, smooths, adds shine and body in just 10 minutes! Brand new, sealed, unopened. Authentic, I am a licensed cosmetologist. (Please see my "meet the posher" for license) Each bottle purchased has a unique QR code. Scan the unique QR code on the bottle to verify authenticity. 3-5 buisness days shipping & handling