A pre-shampoo treatment formulated to rehab damages, compromised hair. Olaplex No. 3 Hair Perfector is not conditioner; its a reparative treatment that reduces breakage and visibly strengthens tresses. The formula works on a molecular level to seek out broken bonds in the hair that are caused by chemical, thermal, and mechanical damage. Powered by the brands patented bond-building technology, Olaplex No. 3 protects the hair structure while restoring a healthy appearance and texture. - Paraben-Free. - Sulfate-Free. - Phthalate-Free. - Cruelty-Free. - Vegan. - 3.3 fl. oz.