CND Toughen Up Base Coat

Creative Nail Toughen Up is a patented strengthening formula that cross-links the natural nail keratin to make nails tougher! This high performance product from Creative Nail actually works to make the nails themselves stronger, banishing brittle, breaking nails. Toughen Up can be used as a sticky base coat to help polish color stick to your nails and last longer, allowing you to be confident that it won't harm your nails underneath! Beauty is easy when you Toughen Up!