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 UV/LED lamp for 60-90 seconds. 3. Gel polish: Apply first thin layer of color gel polish and cure under UV/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 UV/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.