Damaged nails ... Do nail strengtheners work? | What to look for | How we chose | Meet our experts Advanced Hard As Nails Key ingredients: Retinol, nylon-12, isopropyl alcohol | Size: 0.45 oz.

When your nails are feeling weak and brittle, nail strengthener is a great option ... there isn’t a one-size-fits-all solution or product. Dr. Engelman recommends a combination of strategies ...

and using the best nail strengtheners is a step that we can all take to restore them to their former glory. “Peeling, splitting, and dry cuticles are the holy trinity of winter nail woes!