The Pre Nail Dehydrator is a versatile product designed to prepare the nail surface by effectively removing dirt, grease, and excess moisture. Its main function is to improve the adhesion of products, ensuring a flawless and long-lasting application. 2-in-1 Formula: Dehydrator and Cleaner. This innovative product works as a nail dehydrator and cleaner, offering complete preparation in a single step. Instructions for use: Moisten a cellulose pad and clean the nails to be treated with the product.