The Nail Envy Strengthener Treatment is vegan and 9-free ... chipping and peeling like regular nail polish. OPI say that nail strength is boosted by 95% in one week of use so it works fast.

Interested buyers might want to check out OPI's new Repair Mode Bond Building Nail Serum, which is receiving high praise from consumers. The product has been hailed for its ability to 'save weak, ...