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Supersalt Oxygen Brightener


Supersalt is now back in stock! It's the same great product, but with new durable packaging. The label is compostable, plus, there's over 33% more product (with no price change)!

Use Supersalt to boost the brightness of greying and yellowing whites or blast stains from fruit, red wine, tea, coffee, grass and blood on most fabrics. Ensure compatibility by testing a small patch. Do not use on wool or silk.

Sodium percarbonate and washing soda (no chlorine bleach)

Non-toxic, fragrance-free and biodegradable

Net wt. 32 oz (907g)


Add 1 tbsp directly to the drum of a high-efficiency washer with Corewash, select any water temperature (warmer yields better results).

  • Pre-soaking: Dissolve 1/2 tbsp in a bucket of warm water, submerge dull whites overnight and wash
  • Stain treating: Wet the stained area, cover with a light layer, let sit for 15 minutes and wash

Pro tip
Pair this powerful powder with our Wunderbar to treat your toughest stains


  • Do not mix with chlorine, ammonia or any other chemicals
  • Contains sodium percarbonate, which may irritate eyes or skin
  • In case of eye contact, rinse with water for 15 minutes
  • In case of skin contact, wash with soap and water
  • If ingested, do not induce vomiting; drink plenty of water to dilute