Home / Mascara Lash Building Primer (1) Read Reviews $47.00 4.8g4.8gQuantity 1 Loading...Product DetailsDiscover the power of primer for lashes. Lashes hold onto mascara better with this underneath. Helps condition lashes, too. Ophthalmologist tested. Safe for sensitive eyes and contact lens wearers. Allergy tested. 100% fragrance free.