Jojoba oil, rich in vitamins E and B-complex, and minerals like zinc and copper, strengthens nails, reducing breakage and splitting. Avocado oil, with its vitamins A, D, and E, protein, and fatty acids, moisturises and protects nails and cuticles, preventing breakage and keeping them strong. Wheat germ oil, naturally rich in vitamins A, D, and E, and essential fatty acids, protects nails. Grape seed oil, rich in omega-6 fatty acids and vitamin E, has antioxidant and anti-inflammatory properties that protect against free radical damage.