We asked derms for tips on naturally repairing weak or brittle nails. Shop the best nail strengthening products by Onyx, ...

Using the best nail strengthener may be an effective solution ... Rambhia is also a fan of this “plant-based option” from Sally Hansen, noting that the nail hardener is free from formaldehyde ...

this Sally Hansen nail strengthener is her favorite product. “ I like this one because it doubles as a clear polish, so my ...