raved one verified five-star reviewer. This Sally Hansen nail strengthener comes highly recommended by Lamb, who’s also an associate professor of dermatology. Its key ingredients help reinforce ...

To find the best nail strengtheners, we chatted dermatologists up to learn which key ingredients you should look for. We also tested a bunch of options from top brands like OPI and Sally Hansen to ...

Biotin and peptides are known for their nail-strengthening properties, and the two ingredients are the stars of Sally Hansen’s best-selling nail serum. You can wear it under and over polish as ...