The acid mantle is made up of sebum and sweat which forms a protective acidic film to prevent the multiplication of micro-organisms, namely bacteria, as they prefer a neutral pH in which to survive.
Skin protects the inside of the body from bacteria. If it weren't for skin, we would get infections way too easily and certainly would not be able to survive. Not only just bacteria, but from viruses, parasites, and fungi too. A substance called melanin protects your skin from burns.
The skin protects against infection by shedding on average every 35 days and in doing so, also sheds bacteria. The skin also secretes chemicals that can destroy harmful bacteria.
Sebum
Melanin is a substance produced by the skin that protects the skin from ultraviolet radiation. It also gives skin its color.
Low pH on the skin due to the phospholipids protects the development of certain bacterial infection. Add the protective nature of the skin as a physicall barrier.
Two examples of how to protect against circuit failure are fuses and circuit breakers. Skin protects the inside of the body from bacteria. If it weren't for skin, we would get infections way too easily and certainly would not be able to survive. Not only just bacteria, but from
skin
melanin
The bacteria on your own skin protects it. The hype from ads re bacteria soaps, etc., actually strips the very bacteria that protects your skin. The skin is the largest organ in the body. Be careful what you put on your skin because it's absorbed! People often shower too often and strip their skin of the good bacteria. Of course it's essential that we always wash our hands after going to the washroom, before handling food, or when we get home from work or shopping. Plain good old soap and water does the trick.
Epidermis is just skin. It protects your bones.
Vernix is the white creamy substance that protects the fetus' skin while in the amniotic fluid
The substance that is present on the skin of an unborn child is a white waxy substance known as Vernix. This substance protects the child whilst they are within the womb and can usually be seen present on the skin after birth.