The Chi Keratin Silk Infusion Hair Serum is a luxurious treatment that revitalizes and nourishes your hair. Infused with keratin and silk proteins, this serum helps to strengthen and protect your hair from heat damage and environmental stressors. It adds a silky smoothness to your hair, making it more manageable and reducing frizz. The lightweight formula absorbs quickly without weighing down your hair, leaving it with a healthy shine and a soft, touchable feel.