36 of US states collect sales tax on tampons and pads, which an organization called Period Equity says makes a woman's period a luxury. To bring light to this inequity, the organization, JWT, The Sweet Shop and model/actor Amber Rose have teamed up for what seems to be a luxurious jewelry ad. The ad calls out that these 36 states, by failing to classify menstrual products as a necessity and denying them an exemption from sales tax, have effectively deemed periods a luxury., so says Period Equity...