Customer Service: 100% Good After-sale Service. And We Will Give Patience Guides If You Are First Time to Do Nail Art DIY with UV Gel Polish. Please Send E-mail to US without any Hesitate When You Have any Questions. Very Appreciate!. Warm Tips: Before applying, please make sure that the nails are completely polished and cleaned up and oil-free. Then you need to apply the gel polish a small amount and multiple times,usually 1-3 layer. Environmental & Healthy: We use the best resin as the raw material. Brand new, NON-TOXIC and harmless resin, high quality gel with low smell, good tenacity. Protect your health and beauty, is our responsibility. Long-lasting: Each coat of nail polish needs to be dried with UV/LED, With proper application, last at least3 weeks.The starters may need more practice. What You Get: 1*15ml Base Coat & 1*15ml No Wipe Gloss Top Coat. It is normal for a base coat and color gel to remain a little sticky after curing, which will make a better adhesion between nails and gel layers.