Doll 10 Lash Remedy Deep conditioning Primer. The Lash Remedy Conditioning Primer formula is a remedy for lashes. It maximizes the look of your lashes while conditioning them. It also serves as a lash conditioner. How Do I use it: Apply The Lash Remedy Conditioning Primer from roots to tips. Before the primer dries, coat each lash with mascara. 0.47-fl oz Lash Remedy Deep Conditioning Primer Certified Cruelty-Free