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Which product is commonly used to strengthen nails?

  1. Nail buffer

  2. Nail hardener

  3. Nail polish remover

  4. Cuticle cream

The correct answer is: Nail hardener

Nail hardeners are specifically formulated products designed to strengthen and reinforce the structure of the nails. They typically contain ingredients that penetrate the nail plate and help to build a protective layer, making nails less prone to breaking, chipping, or splitting. These products are ideal for individuals with weak or brittle nails, as they help create a stronger, healthier nail surface over time, contributing to improved nail resilience. In contrast, a nail buffer is primarily used to smooth the surface of the nails and enhance shine but does not provide strengthening properties. Nail polish remover is intended for removing nail polish and has no strengthening effect on the nails. Cuticle cream is used to moisturize and care for the cuticles, promoting their health, but it does not address the strength of the nails themselves. Thus, nail hardener is the most appropriate choice for strengthening nails.