New ! OLAPLEX No. 4 Bond Maintenance Shampoo is the ultimate breakage insurance. Bring home the salon quality protection of OLAPLEX with this daily shampoo featuring the brand's patented active ingredient, which works on a molecular level to seek out broken bonds caused by chemical, thermal, and mechanical damage, restoring a healthy look and feel to hair. Imparts moisture, strength, and manageability PH Balance: 6-6.5 Free of DEA, aldehydes and formaldehydeparabens, phthalates, and sulfates Cruelty-free Vegan Suitable for all hair types and lengths 8.5 fl oz HOW TO USE: Apply and massage product throughout hair