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This product is a powerful reducing agent. It can remove color contamination caused by clothing washing and also eliminate special pigments such as yellow stains left on white clothes by tea, chili oil, and red wine. 

It is applicable to white and light-colored non-fading fabrics, such as pure wool, silk, cotton, linen, polyester, etc. It can perform restoration and whitening treatment on white leather travel shoes, white leather bags, and various clothing stains and yellow spots, as well as restore the yellow spots on pure wool and silk fabrics that have been oxidized by 84 or chlorine bleaching.