Places to shop bulk in Philly:

Good Buy Supply (an entire store dedicated to bulk and limited or no packaging) https://goodbuysupply.co

MOM’s organic market (grains, legumes, oats, 1 brand of laundry detergent, hand soap, etc) https://momsorganicmarket.com/center-city/

Riverwards Produce (I’ve only been to the one in old city, but they have really great prices on bulk grains, legumes, nutritional yeast, etc) https://www.riverwardsproduce.com