When clients stops washing their lashes or washes their lids only with a tight shut. Their lashes will stop growing and will thin out.
Red zone: she has faint lashes with build up
It is our job to explain and educate clients how to clean.
Pay attention to the ones who squint extra tight when you rinse them with water. You must hold and lift up their kids. Those are the ones that will have residue like this one.