How long can the nail art effect last? This nail polish itself is less prone to flakes and chipping (will keep 7-10days), but for more long-lasting and well gloss, you can also apply a top coat at the end (will keep 10-15days). It is not recommended to contact water within 2 hours after applying nail polish, it is recommended to use with our base coat and top coat, the number of days will be significantly extended! How long do l have to wait for the nail polish to dry? Do l need to shine a light? This is a regular nail polish, light and fast drying, no need to shine the light, summer temperature is high, about 45 seconds - 1 minute to dry, winter need to wait for about 2 minutes, such as thick coating, it will take 3-4 minutes. Why can't lapply it evenly? Before applying nail polish, you need to use alcohol to wipe the uneven grease and foreign objects on the nail surface, the first layer of color may have uneven color, you need to wait for the drying of the second layer, and some of the colors are recommended to apply the third layer of color will be more uniform.