During the middle of the decade, mascara was available in cake, tube, wax, and liquid form and applied with a brush.
As an exception, mercury compounds can be used as a preservative in eye make-up and so is occasionally found in mascara.
The most basic effect considered is whether the mascara will be water-resistant or not.
She packaged the new mascara in a tube to be sold with a brush.
Non water-resistant mascaras have base ingredients that are water-soluble.
In some mascaras, an additional pigment of ultramarine blue is added.
The use of mascara helps to mimic neoteny, namely large eyes.
Despite these disconcerting facts, they exist in minute quantities in mascara, and their presence has not been positively linked to negatively affect health.