Treatments that contain keratin can smooth curls and frizz and increase shine for up to 2 1/2 months. Infused with Hydrolyzed Keratin to reduce frizz and block humidity, this conditioner gently smooth's and detangles leaving even the most unruly hair soft and revitalized with incredible shine. Give damaged, over-processed hair a miracle makeover with Hask Keratin Protein Smoothing Conditioner. HASK KERATIN PROTEIN Shampoo and Conditioner Set Smoothing - Color safe, gluten-free, sulfate-free, paraben-free - 1 Shampoo and 1 Conditioner 4.4 out of 5 stars 7,174 $14.95 HASK … For the sleekest, frizz-free hair imaginable, use Hask Keratin Protein Smoothing Shampoo and Conditioner. Hask Keratin Protein Shampoo and Conditioner Set Review Verdict: If you want to experience smooth hair and you have drier hair type, you will enjoy both of … Hask Keratin Protein Deep Conditioning Packet is the only deep conditioner/mask that has ever shown a real difference with my hair, making it softer and more manageable. My Experience with Hask Keratin Protein Smoothing Shine Oil: The packaging is in a dark brown plastic vial with a small lid. Keratin is a protein that makes up the structure of the hair and protects it from damage and stress.