Softens & Renews Free of: sulfates, parabens, phthalates, gluten, drying alcohol and artificial colors. Give damaged, over-processed hair a miracle makeover with HASK Keratin Protein Smoothing Conditioner. Infused with hydrolyzed keratin to reduce frizz and block humidity, this conditioner gently smoothes and detangles leaving even the most unruly hair soft and revitalized with incredible shine. Ideal for frizzy, dry or color-treated hair, this conditioner’s delicious scent will also invigorate your senses.