Leave-In Treatment Lightweight For All Hair Types Can Be Used With Heat Rusk&Reg; Designer Collection&Trade; W8less&Trade; Leave-In Treatment Is An All-In-One Lightweight Leave-In Treatment For All Hair Types. It Immediately Helps To Control Frizz, Smooth, Detangle, Moisturize, Strengthen And Add Body To Dry, Damaged Hair. Can Be Used With Heat And Acts A Thermal Protectant To Provide Shine, Control And Conditioning From The Inside Out. Final Product Not Tested On Animals. 1-800-Use-Rusk Made In Usa