1. Use a nail tool to polish the nail surface and remove surface grease. 2. Wipe your nails with alcohol cotton, keep the nail clean and dry. 3. Select a right size of the nail, apply the glue to the back of the nail, or use the adhesive tape to attach the back of the nail. (do not drop the glue onto the skin) 4. Attach the nail piece from the root of the nail to the front edge of the nail, press it for about 10 seconds until it sticks. Unloading Method: Glue Paste Type: Lift the nail piece along the edge and pour the debonder into the gap. Wait for 5 to 10 minutes, when the glue dissolved then peel it off gently. Adhesive Type: Soak your nails in warm water for about 5 minutes and peel off along the edges. Considerations: 1. Avoid sticking to inflamed areas and wounds. 2. Keep out of reach of children. Retail: $19 Excellent condition. New, Never used. W/o box. In gift bag.