Dermique is a 1-phase system (Bonder / Building / Sealant in one product) that has been dermatologically tested for customers who are sensitive to all and any light curing resins. For an additonal benefit, use LCN Bio Bond as a base coast because it will additionally nourish and protect the nail. Use Dermique for full sets and/or refills for all your customers who have extremely sensitive nail beds and hands.