洗发香波是常用的毛发清洁剂。它可根据不同的机能和使用对象不同分为多种,如透明香波、调理香波、胶冻香波、婴儿香波等。用香波洗发会使香波成份在头发中残留和积累,因此,分析香波残留物可对头发进行法庭科学检验。在一些凶杀、强奸案例中,由于格斗、撕打,常造成毛发暴力性脱落,加之,每人每天平均自然脱发50—100根,所以现场勘查常能搜寻到案犯遗留的毛发。香波中除主要成分表面活性剂外,还添加一些营养成分、美发成分、香料、色料等,这些物质也会不同程度地残留和积累在毛 Shampoo is a commonly used hair cleansing agent. It can be divided according to different functions and the use of different objects, such as transparent shampoo, conditioning shampoo, jelly shampoo, baby shampoo and so on. Shampooing hair shampoo will make the residual ingredients in the hair and accumulation, therefore, the analysis of shampoo hair on forensic science. In some cases of homicide and rape, as a result of fighting and tearing, it often leads to the violent loss of hair. In addition, on average, each person has 50-100 natural hair loss on average each day. Therefore, spot investigation can often find the hair left behind by the perpetrator. Shampoo in addition to the main ingredients of surfactants, but also add some nutrients, hair ingredients, spices, coloring, etc., these substances will be varying degrees of residual and accumulated in the hair