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Minimum $150

Corewash Laundry Powder

Retail $20.00

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Corewash is your go-to powerhouse for everyday laundry. Our formula is non-toxic, fragrance-free and biodegradable. It's safe for big and small humans alike, plus it’s safe for the planet!

Unlike laundry pods and strips that contain polyvinyl alcohol (PVA or PVOH) – a water soluble plastic used for casing – Corewash contains no plastic. Peer-reviewed studies have shown that 75% of PVA does not readily biodegrade in US wastewater treatment plants, which means pods are releasing plastic into the environment. 

Our laundry powder contains three simple and effective ingredients, and zero PVA. The cardboard and steel canister is recyclable and the labels are fully compostable!


Baking Soda (Sodium Bicarbonate), Washing Soda (Sodium Carbonate), Coconut-based Vegetable Soap (Sodium Cocoate, Glycerin, Organic Cocos Nucifera Oil, Water)


6 x net wt. 32 oz (907g), up to 115 loads per canister


  • Add 1/2 tbsp directly to the drum of a high-efficiency washer
  • Double the dosage for standard washers or extra dirty loads
  • Use on clothing, towels and bedding (non-delicate items)

Pro Tips

Corewash can be added to your washer's detergent compartment instead of the drum, but check to see that none is left behind. If your washer is optimized for liquid detergent, try dissolving Corewash in a bit of warm water before adding it to your loads.

To tackle heavy stains, pre-treat with our Wunderbar stain stick and Supersalt oxygen brightener!

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Celsious Logo


Minimum $150
Brooklyn, NY
Doing laundry should be easy, stress-free, safe for your health and kind to the planet. We've created this experience for our customers in New York, and we're excited to offer our products here so that you can bring the experience to your community! Our essential laundry trio consists of an unscented laundry powder, color-safe oxygen brightener and stain-removing soap stick. All products are made in the USA and 100% biodegradable. Find us at retailers small and large, including West Elm and Alltrue. Celsious is a Black-owned and women-owned small business based in Brooklyn, NY.