OPI Nail Envy: Best nail strengthener Voted number one of all the nail strengthening system and products out there. Formulated with calcium, it will turn the softest, most brittle nails into hard nails that will not peel away. The best part, it is a one step system and comes in one bottle and is also affordable
Yes, according to manicurists, applying a nail hardener a couple times a week does prove to work for those who have issues with brittle nails. You need to make sure that you buy a product with calcium in it.
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