Edcamps are: 1  free. 2  non-commercial and conducted with a vendor-free presence. 3  hosted by any organization interested in furthering the edcamp mission. 4  made up of sessions that are determined on the day of the event. 5  events where anyone who attends can be a presenter.
One menstrual cup will last you forever.*. According to Diva Cupâs website, you should replace your cup annually. *Many other eco sites actually claim that with proper care, one cup could last 10 years.
Photo: Marko Metzinger/Studio D. If shaving is irritating, it may be because it's time to replace your disposable razor. A Gillette study found that the average woman changes her blade less than once a month, but dermatologists advise tossing it after a few uses. A dull blade makes nicks more likely, and, if you've left the razor on the edge of a damp bathtub, it has probably been exposed to bacteria.