受大家喜愛的食物或彩妝如紅酒、蕃茄醬、口紅等，是常見的頑強汙漬來源。但是現在您可以跟頑強汙漬說 goodbye ! 更多資訊請參照問與答。
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Rayon generally should be dry cleaned. Always follow garment label instructions when pretreating and laundering your clothes. For colored garments, test an inside seam for colorfastness.
If the garment is washable, Apply corresponding Persil powder diluted in lukewarm water or alternatively a stain remover onto the stain, cover the stain and let it set for 20 minutes. If the stain is still visible, apply white vinegar or citric acid solution to the stain. Set for 15 minutes and then rinse. Then wash with corresponding Persil powder and a color safe bleach in the maximal temperature recommended on the garment label. If dry clean only, take it to the dry cleaner for stain removal.