Opi sensitive and peeling nail envy is a specially formulated nail strengthener for people who have allergies or problems using certain nail formulas opi sensitive and peeling nail envy is formaldehydefree nail envy instantly protects the nails giving sensitive sore and peeling nails a barrier the antioxidant vitamin e emollientrich kukui nut oil and soothing aloe vera help to make your nails healthy and strong