1. PRIME  2. COLOR  3. SHINE  4. SEAL This set is a MUST HAVE with SOPHi nail polish. Since SOPHi does not contain harsh chemicals, it requires a few extra steps for durability. When worn according to application instructions, SOPHi will wear like traditional nail polish. Contents : 0.5 FL. OZ. 2 in 1 Primer + Sealer in one and 0.5 Fl. OZ. Shine Topcoat Directions : Wash hands with soap and water Apply very thin layer of PRIMER + SEALER for chip resistance. Air Dry. Apply 2-3 thin coats of SOPHi Nail Polish Between polish coats, blow dry polished nails on warm heat/ low blower setting. With no harsh chemicals, the heat hardens polish for maximum chip resistance. Apply Shine Topcoat for shine & scratch resistance. Repeat blow dryer. Apply Primer + Sealer on top of Topcoat for extended wear. Be sure to cover tips of nails. Repeat blow dryer. *PRIME + SHINE + SEAL System is not needed for use on toe nails. Ingredients Primer + Sealer : Methoxypropanol Ingredients Shine Topcoat : Water, Acrylates Copolymers, Polyethylene, Neem Oil