Read my in-depth Kerassentials reviews after 90 days of consistent use. See real results on what worked and whether it’s ...

Why it's worth it: DefenAge's 360-Rejuvenation Nail Root Serum earned a coveted Best of Beauty Breakthrough Award for its ...

Why we love it: Designed for soft, peeling nails, Nail Tek Xtra 4 features a protein-enriched formula that helps restore nail ...

This serum from OPI is another tried-and-true nail-strengthening product that I always come back to. I regularly use gel polish on my nails, so they can get a bit bendy and breakable between ...

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.

A nail-strengthening serum. Both Camp and Mian suggested this clinical-grade nail and cuticle serum that targets virtually all signs of nail aging, from dryness to fragility to irregular texture.

SHOPPING: Weak, brittle nails? Enter the award-winning OPI Repair Mode™, the first-ever bond-building nail serum, that's twice sold out and so popular that one is sold every six minutes.

Shoppers Call This Serum ‘Magic in a Bottle’ for Making Your Nails Stronger & It’s Only $7 for ... With over 17,000 reviews on Amazon and an Amazon’s Choice for nail strengthening, ...

With over 6,000 five-star reviews, this nail strengthener is clearly also a favorite of Amazon shoppers. ... Pacifica Beauty Sea + C Love Vitamin Serum, $16 $12.10; Still shopping?