A nail hardener is a specialized nail care product designed to strengthen and fortify weak, brittle, or soft nails. It is formulated with ingredients that promote the development of a stronger and more resilient nail structure. When applied to the nails, the hardener forms a protective layer that helps prevent breakage, splitting, and peeling. It works by enhancing the nail's natural strength and promoting the bonding of the nail layers.

英語での「nail hardener」の定義と意味

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