Unverified75% confidenceFactTime unknown
用滴纸测试判断纯度:纯精油滴在纸巾上完全挥发后不留油渍(除黏稠的檀香、广藿香等基调油外),若残留明显油斑说明掺入了植物油或矿物油
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75%
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Long-term
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Unverified判断精油纯度的实用方法:滴一滴在白纸上,纯精油挥发后不留油渍或仅有极淡痕迹,若留下明显油圈说明掺入了植物基础油或矿物油;同时正品应标注批次号、拉丁学名、产地和萃取部位89% similarUnverified鉴别纯精油掺假:将精油滴于白纸自然挥发,纯精油挥发后不留油渍(除少数厚重精油),若留明显油斑说明掺了植物油;同时看GC-MS成分检测报告和批次号可溯源86% similarUnverified标注100%纯精油的产品滴在纸巾上应完全挥发不留油渍,若干后留有明显油斑则掺入了基础油或矿物油稀释85% similarUnverified判断防污效果实测法:滴水成珠且能顺利滚落、滴少量食用油后纸巾轻擦无渗透痕迹,说明防油污涂层有效;若油迹立即扩散或颜色变深,则该款仅防水不防油80% similarUnverified油性污渍(口红、粉底、机油)需选含表面活性剂+溶剂型去渍笔,水基型去渍笔对油渍几乎无效,购买前需确认成分标注是否针对油溶性污渍79% similar
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