YES!YOU Keratin Nail Polish Gel Base is a self-levelling, clear base coat. It contains vitamins A, E, F and keratin. It provides even coverage and can be used for lengthening nails, creating a C curve, nail overlay and filling gaps. Capacity: 15 g. Instructions for use: 1. Prepare the nail plate for nail polish gel manicure. 2. Apply a thin layer of Yes!You Keratin Nail Polish Gel Base to the degreased nail plate with a brush. 3. Cure in LED or UV/LED lamp with a minimum power of 36W for 30 seconds