Fast Repair for Damaged Nails Caused by Gels and Acrylics. Instantly revive brittle, dry and flaky nails with our Nail Care Duo. Mango Cuticle Oil (11ml) naturally hydrates with vitamins A, D and E. Collagen-enriched Nail Strengthener (11ml) with elastin and super-strong resin helps to restore nails to fingertip perfection. A great combo for strong, healthier and longer nails. Includes a travel size crystal nail file, a long lasting washable nail file for professional looking results every time.