10 Best Nail Strengtheners 2025 in the United States

Onyx Professional Hard as Hoof Nail Strengthening Cream is designed to cater to individuals struggling with weak, brittle nails. Its standout feature is the blend of natural ingredients, including jojoba oil and vitamins, which aim to nourish and repair nails without harsh chemicals. This makes it a strong choice for those looking for a gentle yet effective nail treatment. The product is also praised for its ability to repair damage from artificial nails, absorbing quickly without leaving a greasy residue, which is a definite plus for users seeking convenience.

Application is straightforward; it requires massaging into the nail beds and cuticles up to three times daily, making it easy to incorporate into a daily routine. Additionally, users can expect quick results, with many reporting stronger nails in just a few applications. This makes it appealing for anyone who has had previous negative experiences with other nail strengtheners.

On the downside, some users may find the required frequency of use a bit demanding, especially if they lead busy lives. The scent, while pleasant, could be a matter of personal preference, and those who dislike coconut fragrances might want to consider this before purchasing. Moreover, as with any topical treatment, results can vary based on individual nail health and conditions, so it might not work as effectively for everyone.

The OPI Nail Envy Strengthener in Bubble Bath shade is designed to help people with weak or thin nails by making them up to 95% stronger within a week when used as directed. It uses a special Tri-Flex Technology that builds up layers on the nails to protect them from common problems like chipping, peeling, and splitting. This treatment is enriched with vitamins A, E, C, Biotin, and Calcium, which are known to support nail health and growth. The formula is vegan and free from parabens, which is a plus for those looking for gentler, cruelty-free options.

The product comes as a sheer nude pink crème finish, giving a natural and polished look without being too bold. It’s applied like a regular nail polish and dries fairly quickly, making it easy to fit into your routine. As a base treatment, it can be used alone or under regular polish. The 15 ml bottle is a standard size, which should last a fair while but might require repurchasing if used daily.

This product is well suited for anyone looking to improve nail strength and overall nail health with a subtle, natural-looking finish. Its main function is protective treatment rather than color coverage, so it might not satisfy those seeking a vibrant polish.

The Beetles Nail Strengthener is a gentle treatment designed to help people with thin, soft, or damaged nails, especially useful after gel polish removal. It contains Vitamin B7 and natural plant extracts that support nail health by improving circulation and encouraging new growth, which can strengthen nails over time. Applying this product is straightforward—just two thin coats with an air dry time of about 4 to 6 minutes per coat, so it dries fairly quickly without needing a UV lamp.

The finish is clear and natural-looking, making it suitable for daily wear whether you're at work or out and about. For best results, it’s suggested to avoid water for two hours after application and to wear gloves when using hot water, which might be a minor inconvenience but helps protect the treatment. The product comes in a 15 ml bottle, which is a common size, though the bottle may not appear full due to the design to prevent spills.

This nail strengthener is a good choice if you want an easy-to-apply, nourishing polish that supports nail repair and growth without adding color or shine. If you’re looking for something with a glossy finish or very fast drying, you might find it a bit basic. It is well suited for anyone needing simple, everyday care to improve weak nails gently and naturally.