Treatment of Hypertrichosis With Intense Pulsed Light

Plain-language summary

The goal of this observational cohort study is to investigate the effect of intense pulsed light (IPL) for excessive hair in patients \>18 years of age and in need of gender affirmative treatment, refered to the department of dermatology and venereology, Umeå University Hospital, Sweden. The main questions this study aims to answer are: * \[To evaluate the effect of consecutive IPL treatments in women with hirsutism due to polycystic ovarial syndrome (PCOS), with or without anti-androgen treatment\] * \[To evaluate the effect of consecutive IPL treatments in individuals born as biologically men but in transition to become women, with or without hormonal treatment\]. Patients will use self-assessed questionnaires evaluating: * Background characteristics and time spend on concealing, reducing and treating hypertrichosis at home. * Ferriman-Gallwey scale, regarding the intensity of their hypertrichosis. * Dermatology Life Quality Index (DLQI) for quality of life Patients will be recruited consecutively and assessed at each visit, at the clinic before the treatments, ranging from baseline to a minimum of 5 treatment sessions.Since this is an observational study, all patients are treated by others than the researchers according to the routines och the clonic and there will be no other groups to compare the patients with.

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