R+CO Bel Air Smoothing Conditioner 8.5 Fl Oz (Any). R + CO Bel Air Smoothing Conditioner seals the hair shaft for straight, shiny locks, even if you have thick, curly tresses that are difficult to tame. Simply wash with Bel Air Smoothing Shampoo, then apply this product from the middle of the hair through to the ends. Rinse clean and style as usual. Active ingredients include protective hibiscus extract and damson plum along with moisturizing rice extract.