We believe that our gel polishes are of the highest quality on Amazon. Step by step: - 1. Shape your nails. Gently wipe the deck surface. disinfection. 2. Apply a thin foundation from the stratum corneum to the free edge (remember to seal the edges of the nail). The nails were cured under LED light for 10 seconds or ultraviolet light for 2 minutes. 3. Use a thin Soak-Off Gel polish coating. Cap free edge. Curing: LED light for 30 seconds, UV light for 2 minutes. 4. Repeat the second layer of film and soak the Gel Polish on your nails. Curing under LED light for 30 seconds or curing under UV light for 2 minutes. 5. Apply a thin layer of Top It Off. Cap free edge. Curing: LED light for 30 seconds. 6. Use a detergent to remove sticky residue from the nail. Then, use nourishing cuticle oil to replenish moisture to the stratum corneum and the skin around the nail. Delete:- 1. Soak the nails in an acrylic cleaner for about 5 minutes. 2. Gently pull off the entire piece of nail file on each nail. Not dry? Please check the wattage of your lamp. Are you only curing for 30 seconds? We suggest: Base coat cured for 30 secs.Gel polish each coat - 60 secs.Top coat - 60 secs.Wipe with alcohol cotton ball. Projects include: 1 X TOP COAT(15ml)1 X BASE COAT(15ml) Note: The net weight of each bottle is 10ml. Since the bottle has a capacity of more than 10 ml, the nail glue will not completely fill the bottle!