Applied after the color / chemical service to stabilize the bonds, deeply nourish, seal the cuticle and protect the color. It is not a conditioner. Can also be used outside of chemical services as a strengthening treatment | Builds and enforces strong structural bonds, reduces breakage by 98%. Does not interfere with the chemical service, compatible with all brands | Does not require alterations to developer strength or timing | Must be used in conjunction with ALL hair defender PLEX Bond Maker #1 | Free of Sulfates, Parabens, DEA, MI. Never tested on animals. 8oz bottle with pump