Superseded95% confidenceCautionTime unknown
单方精油（如薰衣草、茶树）必须用基础油（荷荷巴油、甜杏仁油）稀释后才能接触皮肤，面部稀释浓度控制在0.5%-1%（每10ml基础油加1-2滴），身体控制在2%-3%，直接原液涂抹会导致灼伤或致敏
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95%
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Long-term
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-
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This knowledge claim has been superseded by newer content
精油用于皮肤按摩必须用基础油（荷荷芭、甜杏仁等）稀释，面部浓度≤1%（10ml基础油加约3滴），身体≤3%，纯精油直接涂抹易灼伤致敏Sources
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