Human eyelashes have a natural life cycle and at any one time they are all at different stages in that life cycle which means we actually lose lashes every day. This is called natural shedding and is totally natural so providing you have prepared the natural lash. Each eyelash has its own growth cycle that lasts 6-8 weeks so that most eyelashes are present to maintain their collective protective mechanisms. Technically, hair loss and growth has a lot to say about your eating diet. Meaning, your shedding lashes will growth faster on your healthier diet period, vice versa. Rub and pull eyelashes from the follicle can stimulate shedding, shorten the growth cycle.