Unverified80% confidenceDecision RuleTime unknown

白色T恤优先选「后染/成衣染」标注更少，纯白比米白/漂白更易发黄；深色（黑/藏青）纯棉首次洗涤前单独冷水浸泡，选活性染料工艺可减少掉色

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80%

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Long-term

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First Seen

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Unverified浅色/白色T恤别选纯棉薄款，出汗后腋下和后背易发黄且透肉；建议白T选加厚（≥200g）或含少量涤纶抗黄，黑色则纯棉即可但注意选不易掉色的活性染色87% similar Unverified白色T恤不建议选竹纤维材质，竹纤维反复洗涤后易发黄泛旧，白色应优选精梳纯棉或棉涤混纺以保持洁净度85% similar Unverified内搭打底不要选深色未标注'防染色/固色'的纯棉，机洗易掉色染白色外搭；深色首选活性染色或成衣染工艺款85% similar

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