Glam Lasting Shine Primer (Base Coat) is applied before applying any polish. Primer is the first and very crucial step before the application of any polish on the nails. It gives the nail color something to adhere to the nails. According to the Nailology formula used in the Primer, it helps the nails to prevent from breaking and splitting. GLAM Infinite Gel Polish – Primer – Base Coat helps to maintain a layer of protection from the colored polishes to turn the nails yellow. It also prevents the bright and dark colored nail polish from staining the nails. It helps to make the nail surface area smooth and balanced. GLAM Infinite Gel Polish – Primer – Base Coat does not require a UV/LED Lamp to cure and is easy to apply. No harmful chemicals are present in the formula which could lead to any reaction on nails and skin. The quantity of Lasting Shine Primer (Base Coat) is 15ml. It can suffice for a minimum 40 clients. It is recommended for Salon Professionals and Consumers.