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Amazon.com: ShopBedding Satin Pillowcase for Hair and Skin Silk Pillowcases 2 Pack, Luxury Satin Pillowcases with Zipper Closure, Satin Pillow Case, King Silk Pillowcase for Hair & Skin 2 Pack, White :
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Amazon.com: YANIBEST Silk Pillowcase for Hair and Skin 22 Momme 600 Thread Count 100% Mulberry Silk Bed Pillowcase with Hidden Zipper, 1 Pack Queen Size Pillow Case Grey : Home & Kitchen
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Is this mould on my silk pillowcase? I wash it weekly, these dark marks started showing up and I don't know what they are or how to clean! : r/CleaningTips
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