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1
尝试美白产品。皮肤上的黑斑是黑色素引起的,而美白产品能渗透皮肤,减少黑色素。判断美白产品是否有效需看产品成分中是否含有2% 的对苯二酚、壬二酸、乙醇酸、曲酸、类维生素以及维生素C。如果你不确定购买哪种产品,可向持有执业医师证的皮肤科专家咨询。[8]X
可靠来源
American Academy of Dermatology
前往来源
2
每天使用防晒霜。防晒霜能够保护皮肤免受紫外线的伤害,防止已有的黑斑恶化。你要养成习惯,每天涂抹防晒系数为30或更高防晒等级的防晒霜,这样才能防止皮肤长出黑斑和皱纹。[9]X
可靠来源
American Academy of Dermatology
前往来源
方法 8
方法 8 的 9:
淡化黑斑需要多长时间?
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1
淡化黑斑需要6到12个月。如果你坚持涂抹防晒霜和皮肤科医生批准的美白霜,一年之后,你的皮肤就会发生变化。如果黑斑颜色特别深,你可以要等好几年。[10]X
可靠来源
American Academy of Dermatology
前往来源
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1
是的,含汞的美白产品对健康有害。市面上大多数的美白产品都缺乏监管,有些甚至含有汞。汞会给人的肾脏和神经造成伤害。你在使用了含汞的美白产品后还可能通过皮肤接触将汞传播给其他人。如果美白产品中含有氯化亚汞、朱砂、水银,或红粉,这表示该产品中添加了汞,必须立即停止使用。[11]X
可靠来源
American Academy of Dermatology
前往来源