The base gel, just like its name, is the basic part of all the applying. Base gel with very strong adhesion, so it is the key to keep gel polish on the nail over 21 days. So far, our base gel has the following series: 2816 base gel, 2816C base gel, 2819 base gel and so on. When you apply it, you should first apply a thin layer of soak off base Gel, and then put you nails under the UV or LED lamp for 2minutes or 30 secs. Finally, you can ready to apply the color gel which you like. The base gel takes a key role in the whole applying, so the result of applying color gel depends on it. Therefore, it is suggested that we should apply the base gel carefully.