Olaplex No. 1 and No. 2 Salon Only Stylist Kit. This product is amazing and will change your hair. Salons charge hundreds of dollars for one of these treatments. This Kit can do up to 30 treatments depending on hair length and thickness. Kit was purchased from authorized reseller and is authentic. Instructions are included in Kit. I am not responsible for use of this product by consumer. Kit includes: (1) 3.3 Oz. Olaplex N°1 Bond Multiplier (2) 3.3 Oz. Olaplex N°2 Bond Perfector