推荐回答（2个）
头发在经过量次的漂染后会严重受损，但是经过漂浅的头发极易上色但同时也极易退色。因其底色太浅，除非在染与其类似的色调不1退色外，其他的色例如：深色或红色等；都会大约在半个月左右褪浅。这是1个原理：浅吃深但不占深、深不吃浅。
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