Longer Eyelashes in 10 Minutes by Longer Eyelashes in 10 Minutes Get baby oil, and on a clean mascara wand apply baby oil without any mascara on eyelashes or brush. Then apply a coat of water proof mascara. Allow to dry Then after the mascara drys, on a clean wand apply baby powder to eyelashes until they are white Then add another coat of volumizing mascara and repeat with baby powder.