The Menstrual Product Right to Know Act of 2020 (AB 1989) is to add Chapter 7.5 (commencing with Section 111822) to Part 5 of Division 104 of the Health and Safety Code, relating to menstrual products. AB 1989 would require a package or box containing menstrual products that was manufactured on or after January 1, 2023, for sale or distribution in the State of California to have printed on the label a plain and conspicuous list of all ingredients in the product by weight. It would also require the same information to be posted on an internet website or otherwise prohibit the sale of a menstrual product in the State. Menstrual product means a product used to collect menstruation and vaginal discharge, whether disposable or reusable, including but not limited to: tampons pads sponges menstruation underwear disks and menstrual cups The ingredients shall be listed in order of predominance by weight in the menstrual product, except that ingredients present at a weight below 1% may be listed in any order following the other ingredients. When a manufacturer is required to make a revision to information disclosed due to – a change in a designated list or – a change in an ingredient or – addition of a new ingredient, the manufacturer shall make the revision no later than 6 months and 18 months for online and on the product label respectively after the change or addition of a new ingredient.