Clean hair and hair root, fully, unique in the hair surface formation of silk extract from external environment protective, reduce the harm that reduce water loss.
充分清洁发根和发梢，独特的蚕丝精华在发丝表面形成保护膜，减少来自外部环境的伤害，减少水分流失。
2
The model of perm damaged hair was established, and the protection effects of two conditioners(Protective factor C and Keratin)were compared using the model.
并以此模型，研究了两种护发成分（护发因子C和角蛋白）对烫发后头发的修护作用。
3
Grade d: Hair and, where relevant, beard should be covered. A general protective suit and appropriate shoes or overshoes should be worn.