How do you transform coarse or brittle hair into smooth, silky, lustrous locks? With Sleek Conditioner by AG Hair Cosmetics, of course. Ideal for use on medium to thick hair. It's made with nutrient-rich argan oil, and keratin and silk proteins to control frizz and repair split ends. PETA approved, Colour Safe, Paraben, PABA & salt free and 100% guaranteed.