Shop Grande Cosmetics GrandeREPAIR Leave-In Lash Conditioner - Travel Size online at Macys.com. Did you know you naturally lose 1-2 lashes daily? Give them the extra care they need with this must-have lash fixer-upper. This travel size invisible leave-in conditioner helps protect, soften and strengthen lashes. It's infused with Widelash, a biotin peptide proven to help protect against lash fallout, breakage and environmental toxins.