染发前头皮敏感怎么测试,发型师怎样减少过敏和翻车

染发前遇到头皮敏感的客人,我现在不会只问一句"以前染过没有"。很多人以前没事,不代表这次没事,尤其最近熬夜、头皮抓破、刚做过漂发或用了去屑药水,反应都会变。 我一般先把头皮状态看一遍,耳后、发际线、头顶有没有红、痒、破皮,再问最近有没有换洗发水、做过头皮护理、吃药或过敏史。明显破皮的我不会硬接,客人再急也先缓。需要测试时,颜色膏和双氧按实际比例少量调,点在耳后或手臂内侧,时间和清洁方式要跟店里流程一致,不然测试没有参考价值。 还有一个容易忽略的是分区上色顺序。敏感头皮不要一上来全头堆满药水,发际线和头顶停留太久,后面出问题很难解释。你们店里对敏感头皮染发,是固定做patch test,还是看客人情况决定?

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