Ridiculously bitter formula has no smell or sheen; dries completely invisible. | Use on nails, cuticles, skin, and any other affected areas. | On-the-go, brush-on solution in an easy to use click pen makes for quick, one-handed application. | Safe to use: No lacquer, formaldehyde, parabens, or ethyl acetate. Strong Will is also certified gluten free! | Naturally effective: Soothe sore fingers with anti-inflammatory ingredients such as Organic Aloe Leaf Juice, Organic Eucalyptus Leaf, Organic Ginger Root, Organic Wintergreen Leaf, and Organic Oat Kernel.