Melasma is an acquired hypermelanosis characterized by a symmetrical macular pigmentation of sun-exposed areas like the face. Tranexamic acid is commonly being used to reduce melanin synthesis in patients with melasma and also used as a raw material for functional whitening cosmetics. The aim of this work is to

Cutaneous warts are benign papillomas of skin caused by human papilloma virus(HPV).HPV is transmitted by direct contact with contaminated skin or indirectly via objects carrying the virus. This cross sectional study included 2060 primary school students, who were selected from 2 rural (public) and 4 urban (2 public and 2 private) primary schools in fayoum governorate. During the period from October 2017 to April 2018. The data were collected by questionnaire sheet.the prevalence of cutaneous warts was 4.7% among primary school children in Fayoum.