The Extreme Nail Hardener
THE EXTREME NAIL HARDENER can be used as a base coat or as a clear nail polish and has a high-gloss finish. The formula ensures noticeably stronger, harder* nails – the polish can be applied twice a week as a cure for soft fingernails that are prone to chipping.
*In an external study, 90% of testers confirmed that their nails felt harder after two weeks of use. Self-assessment by 50 women/testers.
Vegan
Cruelty free
Fragrance free
Alcohol free
Paraben free
Oil free
Product Information
Product Information
Shipping & Returns
Shipping & Returns

The Extreme Nail Hardener
The Extreme Nail Hardener
THE EXTREME NAIL HARDENER can be used as a base coat or as a clear nail polish and has a high-gloss finish. The formula ensures noticeably stronger, harder* nails – the polish can be applied twice a week as a cure for soft fingernails that are prone to chipping.
*In an external study, 90% of testers confirmed that their nails felt harder after two weeks of use. Self-assessment by 50 women/testers.
Vegan
Cruelty free
Fragrance free
Alcohol free
Paraben free
Oil free
Original: $3.18
-65%$3.18
$1.11Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
THE EXTREME NAIL HARDENER can be used as a base coat or as a clear nail polish and has a high-gloss finish. The formula ensures noticeably stronger, harder* nails – the polish can be applied twice a week as a cure for soft fingernails that are prone to chipping.
*In an external study, 90% of testers confirmed that their nails felt harder after two weeks of use. Self-assessment by 50 women/testers.
Vegan
Cruelty free
Fragrance free
Alcohol free
Paraben free
Oil free











