Blinc Lash Primer This top-rated Blinc Lash Primer ($26) works on its own as an overnight conditioner or as a daytime base coat for mascara, too. It replenishes vitamin B5 so hair is protected against free radicals and other environmental stressors while lashes also get a visible volume boost. Image Source: sephora.com Blinc Lash Primer $26 from sephora.com Buy Now