10 Best Nail Strengtheners 2026 in the United States

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.

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 Pink to Envy is a well-rounded product for those with weak and thin nails. Its Tri-Flex Technology creates a robust protective layer, significantly reinforcing nail strength and preventing chipping, peeling, and splitting. The inclusion of vitamins A, E, C, Biotin, and Calcium is a notable strength, aiming to nourish and promote healthy nail growth.

Additionally, it's a vegan formula without animal-derived ingredients, appealing to environmentally conscious consumers. The sheer soft pink crème finish provides a subtle, natural look suitable for everyday use. Application is straightforward, with the product being a liquid form that dries relatively quickly, making it convenient for regular application.

The recommended frequency of use for optimal results is essential to follow, typically involving application every day or every other day for best results. Users might find the 15-milliliter bottle somewhat small, requiring frequent repurchases for long-term use. OPI Nail Envy offers a comprehensive solution for nail strengthening, though users should be mindful of the product's ongoing cost and ensure consistent application for the best outcomes.