You can use https://www.projectcece.nl/ https://www.projectcece.nl/ to search for sustainable items and https://goodonyou.eco/ https://goodonyou.eco/ to check i

You can use https://www.projectcece.nl/ https://www.projectcece.nl/ to search for sustainable items and https://goodonyou.eco/ https://goodonyou.eco/ to check if your favorite brand is actually sustainable. Additionally of course you should buy second hand through thriftshops or something like https://www.vinted.com/ https://www.vinted.com/.