Only with a thorough pre-treatment and cleaning of your customer's natural eyelashes can you be sure that sticking on the lash extensions will also work without any problems and that your customer will be happy with the result. Our primers not only disinfect and antimicrobial, they also nourish the eyelashes with vitamins. And wraps you and your customer in a pleasantly subtle scent. And this is how it works: Before application, you should clean and degrease your customer's natural eyelashes with the primer. The best way to do this is with our Miss Lashes micro brushes. The pink primer has a pH of 4.7.