ActionstrengtheningCompositionvarnishStronger Than Ever Nail Hardener 010 is a highly effective formula designed to reduce brittleness, splitting, and breakage of nails.Formulated with celery seed extract and glycolic acid, it supports nails for stronger, more resilient results, with 92% of users approving after just two weeks of regular use*.Used as a standalone strengthener or as a base coat under nail polish, this versatile hardener helps improve the condition and appearance of nails.Its quick-drying, clear formula provides a smooth, shiny finish for well-groomed nails.*Confirmed in an external study on 50 women, applying 2 coats twice a week.catrice CATRICE stronger than ever Stronger Than Ever Nail Hardener 010 , , . , , , 92% *. , , . .* 50 , 2 .