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1化妆品的原料如香料、色素、防腐剂等,或化妆品中有毒物质含量超标。2过量或过多品种化妆品混用,导致毒性相加。3长期使用某种化妆品,其毒性积累引起毒性伤害。4使用过期变质化妆品引起的皮炎。(滋生细菌、产生新的化学反应)5光毒效应引起的皮肤伤害及其他危害(致癌),阳光照射引起的光敏反应。6服用的药物与化妆品相互作用产生不良反应。7化妆用刷及按摩用具对脸的物理性刺激引起皮炎。8体弱多病及孕、产妇使用化妆品时由于抵抗力弱引起的不良反应。9季节与气候变化时未能及时调换
A cosmetic raw materials such as spices, colorings, preservatives, etc., or cosmetic content of toxic substances exceeded. 2 excessive or excessive variety of cosmetics mixed, resulting in toxicity. 3 long-term use of a cosmetic, its toxicity caused by toxic accumulation of damage. Dermatitis caused by the use of expired cosmetics. (Breeding bacteria, resulting in a new chemical reaction) 5 phototoxic effects caused by skin damage and other hazards (carcinogenic), the photosensitive reaction caused by sunlight. 6 taking drugs and cosmetics interactions have adverse reactions. 7 cosmetic brushes and massage appliances on the face of the physical stimulation caused by dermatitis. 8 frailty and pregnancy, maternal use of cosmetics due to weak resistance caused by adverse reactions. 9 seasons and climate change failed to timely exchange