Gel polish won't stay on the sides and tips of nails after application, why?
This is known as colour “slippage”. You can prevent this by taking a dry, lint-free wipe and removing the layer of moisture after curing the base layer. Please DO NOT use cleanser. You want the surface to stay slightly tacky and cleanser will remove it completely. Another solution is to apply the first layer of colour and cure one nail at a time, not allowing it time to slip.