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protein hardener

THE GLOSSARY

Protein hardener

[proh-teen-hahr-dn-er]

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What it is

A combination of clear polish and protein, such as collagen.

How to use

Apply according to the product’s labeled schedule and layer instructions. Stop if irritation or increased brittleness develops; a hardener is not a treatment for nail infection.

How to apply
How to remove
Cleaning & hygiene

Keep the bottle neck and brush free from contamination. Do not thin the product with an unapproved solvent.

Storage & care

Keep closed in the original labeled container, away from heat and direct sunlight. Follow the product label for storage temperature and shelf life.

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