Campaigners hope the move will put an end to period poverty, which affects one in five women living in Scotland.
The choice is between free bleeding and having to change a tampon out on the street.
The Scottish government allocated £9.2 million to offer free sanitary products in schools and convinced other places in the UK to follow suit.
The $6.7 million scheme is a major step in eradicating period poverty, which sees hundreds of thousands of young women struggle to afford basic sanitary products.
Broadly spoke to Jennifer Weiss-Wolf, the author of a new book on menstrual equity, about what it's like to live in "The Year of Infinite Period Possibility."
Few, if any, countries provide women with free sanitary products because they're not seen as necessary—but women are hugely impacted when they can't afford menstrual care.
Schoolchildren in the UK are missing class because they can't afford tampons and sanitary pads—but feminist activists Fourth Wave are on the case of period poverty.