Glossary Terms

PROTEIN HARDENER

PROTEIN HARDENER [proh-teen-hahr-dn-er]

What it is: A combination of clear polish, vitamins and protein, such as collagen and calcium. It is used to strengthen/harden and reinforce weak, peeling and brittle nails.
How to use it: It’s applied directly onto the natural nail and can be used as a base before polish.

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