Saw a Promo and FB so test it myself. I can confirm that this works. Not sure about the end date.
The company is called "Who Gives a Cr@p". The company rarely discounts and the code should apply at cart across the product range. Remember to check shopback/cashrewards!
The company say they use renewable and sustainable bamboo and the company claims 50% of profits are donated. Seems pretty worldly to me. Read more here on their impact to earth: https://au.whogivesacrap.org/pages/our-impact
100% money back guarantee. Carbon neutral shipping for spends over $30.
Probably not the best quality, or the cheapest TP you can buy, but at a 20% discount it's closer enough. Maybe it will make a difference for the world we live in.. maybe it's a bunch of cr@p…