Disclosed herein is a process for coating the eyelashes, comprising applying to the eyelashes at least one layer of at least one composition in the form of a foam. Also disclosed herein is a kit for making up and/or for the nontherapeutic care of the eyelashes comprising: a container comprising a composition in the form of a foam having a density of less than or equal to 0.95 g/cm3; and an applicator comprising at least one application component configured to apply the composition to the eyelashes.