Tl;dr

"The pharmacy chain on Tuesday said it would reduce by 25% the cost of CVS Health brand tampons, menstrual pads, liners and cups at core locations on or before Thursday, October 13"

The core locations will be at these states:

-Arkansas -Georgia -Hawaii -Louisiana -Missouri -South Carolina -Tennessee -Texas -Utah -Virginia -West Virginia -Wisconsin

"CVS is also working with other organizations to eliminate menstrual taxes altogether, according to the company, which operates 9,900 retail outlets in all 50 states, the District of Columbia and Puerto Rico. "

"As of 2021, five states — Arkansas, Delaware, Montana, New Hampshire and Oregon — had no sales tax. At the same time, 15 states exempted period products from sales tax: California, Connecticut, Florida, Illinois, Maryland, Massachusetts, Minnesota, Nevada, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Utah and Washington. 

Since then, other states have followed suit. Colorado in August stopped charging a sales tax on diapers, incontinence and menstrual products"