The $5 price tag doesn’t hurt too much either. The Nail-Aid keratin treatment is a clear and non-toxic top-coat that harnesses the power of keratin amino acids. Board-certified dermatologist Dr ...

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Dr. Shahbaz recommends using the OPI Nail Envy Original, which is "known for building nail strength," and the Sally Hansen ...

For those seeking smoother, frizz-free locks on a more long-term basis, a keratin treatment can be a game-changer. If you're ...

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She recommends oils like coconut, walnut seed and avocado to nourish brittle nails, as well as baobab seed oil, sweet almond oil and rosemary oil, which have antioxidant properties and will help to ...

Nails are primarily composed of keratin, a protein that gives them strength and structure. When oxidative stress occurs, it can weaken keratin, leading to brittle, discoloured, or slow-growing nails.