System 2 delivers thicker, fuller hair, while protecting every hair strand against damage. System 2 strengthens resilience against damage and breakage, leaving thicker, fuller-looking hair with a healthy shine. It helps clean, optimize and treat the hair and scalp. BENEFITS: Professional treatment for natural hair with progressed thinning For denser-looking hair and increased protection against damage Helps remove follicle-clogging sebum, fatty acids, environmental residues Helps provide hair resilience and control moisture balance Provides a refreshed scalp environment HOW TO USE: Apply from scalp to ends. Leave in for 1 to 3 minutes. Rinse