usefull is raising funds on Honeycomb. It is a refillery and zero-waste retail store that sells shampoo, soap, and laundry detergent in a refill format. usefull requests customers to bring their own bottles and refill the products in them to facilitate the reuse of containers and reduction of plastic waste. The business has helped customers divert over 4,000 plastic bottles from landfills and oceans and is currently profitable. Adriana Kao founded usefull in June 2020. The current crowdfunding campaign has a minimum target of $25,000 and a maximum target of $35,000. The campaign proceeds will be used for store upgrades, furniture and fixtures, liability and property insurance, licenses and permits, and decor, signage, and graphics.