Temperature Change Nail Glue Gradient Phototherapy Nail Polish Glue Tool Feature: It changes color when it meets water or the temperature decreases, and it changes color at constant temperature Instructions: the grease on the nail and apply the to the lampshade for 60 seconds Apply a thin layer of colored nail polish. Cover the free. Light for Sixty seconds the second thin layer of nail polish on the nails. Light for Sixty seconds Apply top coat. Cover the free. The light shines for Sixty seconds. Use a cleanser to from your nails. Then, use nourishing cuticle oil to re-enter the into the cuticle and the around the nails. The color can keep the gloss for up to 30 days, the hot stamping color is optional, suitable for all Keep sealed: Avoid direct sunlight. keep this product out of children. Net content: 8ml Weight: 8g Size:2.8x2.7cm Color change critical point: 28-31 degrees Celsius Package Content: 1 x Temperature Change Nail Glue