Primer Rubber Base NTN Premium 5g NTN Rubber Base is an innovative product dedicated to very damaged and soft nails that need to be reinforced. Flexible base provides protection against damage. You can use it to gently build up the nail, strengthen it, and add the chipped nails. Extremely flexible, it works perfectly with your natural nail and prevents the nail polish from being cut off. Thanks to its medium-thick texture, the rubber base ensures comfortable working. We can easily build the shape of your dreams, we will smooth out any irregularities in the tile, which we will achieve thanks to the self-leveling properties. How to use:Gently mattify the nail. Apply a thin layer of EXTRA BASE. Curing in an LED lamp 60sec UV / LED 90sec. Apply a layer of gel/hybrid varnish and cure in the lamp. Repeat the action and finish stylizing with Top.