Kotex (U by Kotex) tampons use rayon or rayon-cotton blends and its pads use plastic sheets with a superabsorbent polymer core, so Kotex does not pass the Throne Standard. Kotex is owned by Kimberly-Clark. Independent reporting has flagged pigment (carbon black) in some Kotex pads.
The full style-by-style breakdown for Kotex Period Care Review: Sustainability & Environment is being added.