Makes all white textiles that have turned yellow or gray after a while radiantly white again. Powerful, industrial formula that is gentle on the fibers at the same time. The longer the exposure time, the better the result. The recommended times are on the packaging. May also be used for wool and silk. Read the label carefully. The bottle (PE) and cap (PP) are fully recyclable and can be placed in the PMD bag after rinsing. 300g bottle.