Sulfates and Sodium Chloride (Salt) are the enemy of Keratin and Hair Color Services. Keratin Republic’s Keratin Collagen Hydrating Conditioner keeps your color more vibrant and extends the life of your keratin treatments. Developed for daily use for all hair types. Fortified with exclusive keratin + Collagen Blend, this amazing product restores strength, moisture balance and elasticity to tired and stressed hair. Perfect for keeping your color and keratin services looking their best.