OGX Keratin Smoothing Oil Shampoo. Make your showers count for more! OGX Frizz-Free + Keratin Smoothing Oil Shampoo is the shampoo that does it all. A true multitasker, this product has the benefits of five products in one. It helps strengthen hair, improve flexibility, protect against humidity, keep hair frizz-free and reveal shiny hair. With hints of tropical orange, island pineapple and golden amber, it’ll make your strands smell as good as they feel. Follow up with OGX Frizz-Free + Keratin Smoothing Oil Conditioner for maximum results.