Trichoscopy Method of hair and scalp evaluation and is used for detecting hair and scalp diseases. This technique helps to visualize the hair structures and the hair distributions. It also helps to visualize the abnormalities of hair and the hair shaft. It provides information regarding the extent of the damage caused to the hair follicle and the overall outcome of the treatment.Trichoscopy is a non-invasive procedure which does not cause any pain or wound, it is often preferred as the first line investigation in diagnosis of hair disorders and diseases. Damages caused to the hair by external factors like shampoos, hair colors, water and other factors can be well diagnosed with trichoscopy even without cutting them (conventionally, hair was cut and put under the microscope to see the same changes).