My Style Keratin Hair Serum is a hair care product that typically contains keratin and other ingredients designed to provide various benefits to the hair. Keratin is a protein naturally found in hair, and using a keratin hair serum can help improve the overall condition and appearance of the hair. The serum is typically applied to wet or damp hair, and is designed to be left in the hair without rinsing. It is intended to help smooth the hair cuticle, reduce frizz, and add shine and moisture to the hair. My Style Keratin Hair Serum may contain other ingredients such as silicones, oils, and other conditioning agents that can help to nourish and protect the hair. The specific ingredients and formulation of the serum may vary depending on the brand and product. My Style Keratin Hair Serum is generally safe for most people to use, although individuals with allergies or sensitivities to certain ingredients should exercise caution. As with any hair care product, it is important to follow the instructions for use and to avoid getting the serum in the eyes or on other sensitive areas of the body.