This premium keratin serum is specially designed for dull & damaged hairs. Keratin is a protein that already exists naturally in your hair that helps to strengthen hairs & forms a protective shield around the hair shaft and helps your hair stay elastic and youthful. Unfortunately, keratin can be depleted due to overstyling, heat, chemicals, and other damaging processes. by using this serum regularly, your dry & damaged hairs gets transformed in to silky smooth. This serum forms a protective layer around the hair strands against the heat of the sun & hairdryers . it leaves hair with a soft texture & extra shine. This premium serum instantly polishes & smooth your hair strand by strand. Directions - Apply a small amount if this serum on your hairs, then finish it by mildly blowing with a hair dryer, while styling with a brush. or you can apply this serum on your dry & damaged hairs regularly