Matrix Essentials Solutionist Scalp Protect is a unique leave in scalp treatment that minimizes the discomfort and calms the scalp during chemical services. It will effectively soothe and protect sensitive scalps. Matrix Solutionist Scalp Protect is formulated with Polysorbate 21 to help with discomfort and helps calm the scalp during salon services. It has excellent spread ability for maximum ease of use and control.