Features · 6 Popular & Trendy Color Gel Polish (Requires Top & Base Coat) · 9 Toxin Free formula, easy and safe to apply. · Long lasting for 21+ days with perfect shine. Certification · Produced by GMP factory (Good Manufacturing Practice). · Passed SGS test of Heavy metal and Toxicological risk assessment. · SDS provided. Application Process: 1. Preparation: Trim, file and buff nails for a clean and dry surface. * Before opening the bottle, roll the bottle between your hands back and forth to gently mix. 2. Base Coat: Apply thin base coat, cure under LED lamp for 60-90 seconds. 3. Gel polish: Apply first thin layer of color gel polish and cure under LED lamp for 90-120 seconds. Apply the second or third layer color gel polish. * When applying color, wipe excess gel with brush before applying strokes. 4. Top Coat: Finish off with a layer of top coat, cure under LED lamp for 90-120 seconds. * Applying every thin coat is the key * Tips to avoid chipping: 1. Before applying, please ensure your nails are completely dry, clean and oil-free. 2. Don't apply gel on the skin or cuticle. 3. Apply gel to the edge of each nail to seal the gel with the brush horizontally to avoid chipping. Warnning: May product an allergic reaction by skin contact. Read directions for use carefully. For professional use only. Only used for nail. Avoid contact with eyes, mouth and skin. Rinse them immediately should the product comes into contact with them. If there is any incident, contact the doctor immediately. Stop using the product if redness and itching develop. If symptom persists, consult a doctor. Keep out of the reach of children. Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.Disclaimer: While we work to ensure that product information is correct, on occasion manufacturers may alter their ingredient lists. Actual product packaging and materials may contain more and/or different information than that shown on our Web site. We recommend that you do not solely rely on the information presented and that you always read labels, warnings, and directions before using or consuming a product. For additional information about a product, please contact the manufacturer. Content on this site is for reference purposes and is not intended to substitute for advice given by a physician, pharmacist, or other licensed health-care professional. You should not use this information as self-diagnosis or for treating a health problem or disease. Contact your health-care provider immediately if you suspect that you have a medical problem. Information and statements regarding dietary supplements have not been evaluated by the Food and Drug Administration and are not intended to diagnose, treat, cure, or prevent any disease or health condition. Amazon.com assumes no liability for inaccuracies or misstatements about products.