Abstract : The skin is the largest organ of the human body, on an average consists 10% of the body mass and covered nearly 2m2 of the body surface area (Figure 7.1). It regulates number of important functions includes protection against external physical, chemical and biological assailants, as well as prevention of excess water loss from the body and plays a vital role in thermoregulation. Skin gives the largest interface between the human body and the external environment and its most important functions is to regulate what enters the body via the skin, as well as what exits. Skin provides a barrier to water loss and pathogens. It also protects against diverse forms of trauma which may be due to ultraviolet radiations. It helps to enhance the metabolic functions as well as synthesizing vitamin D. Skin is composed of three layers that are epidermis, the dermis, and the subcutaneous tissue.
Cite : Mansuri, R., & Diwan, A. (2022). An Introduction To Transdermal Drug Delivery System (TDDS) (1st ed., p. 95). Global Research Foundation. https://doi.org/10.52458/9789391842871.2022.eb.grf.asu.ch.07
