CB Smoothe Cool Silk CB Smoothe Cool Silk is The best black hair product treatment for Dry, Dull, limp hair. This is truly a Moisture Silk Conditioner with Rejuvenating Sensation that is formulated to restore natural oil and moisture to the hair while imparting body, bounce and shine. Use Cool Silk along with Rejuvenating & Therapeutic Shampoo for relief from Dry & Itchy scalp. GREAT FOR DEEP CONDITIONING!