Sections were stained with haematoxylin and eosin for further analysis. (journals.plos.org)
The formula contains Eosin which extends the wear time to almost 12 hours. (thevelvetlife.com)
Also, if I am not looking for the contour and color defined separately, I would just apply this lipstick and rub my lips together to have the color and the pumping effects of eosin on the full lips. (thevelvetlife.com)