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Know Your Skin

 

Know your Skin
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Your skin is a truly amazing organ that deserves far more care and attention than it usually gets. It works hard day and night to protect your body from the outside world, and in return all it needs is a little respect!

The epidermis is the outer layer. It is constantly in contact with the outside world and is your body's first line of defence against bacteria, germs and other unwanted micro-organisms. New skin cells are formed at the base of the epidermis. As each new layer is made, the previous layers are pushed upwards until they reach the very surface. Here they form a thin layer of dead cells called the stratum corneum. Eventually each cell is shed, and replaced by the next generation beneath. This is how your skin regenerates and repairs itself.

The dermis is your skin's support system. Here we find most of its vital elements: blood vessels, collagen, elastin, sweat glands, nerves and hair follicles.

The dermis rests on the sub-dermis. This is a layer of fat cells that keeps you warm and cushions the whole dermal structure against injury.
Skin Facts !
  • Your skin has an area of around 1.8 square metres - about the same as an average shower curtain.
  • Your skin weighs between 3 and 5 kilograms, which is equal to between seven and ten one-pound bags of sugar.
  • In a young person it takes between 21 and 28 days for a skin cell to develop, mature, die and fall away. In an old person it can take as long as 40 days. The rate at which your skin manufactures new cells gradually declines from the age of about 25.
  • At any one time, your skin is processing over 300 million skin cells.
  • Household dust is mainly dead skin cells that have been shed from the surface of your epidermis.
  • Over your life you will shed more than 14 kilograms of skin cells.
  • Your skin has ten hairs, 80 sweat glands, one metre of blood vessels and 12 sebaceous glands in every square centimetre.
  • Some people have darker skin than others because their dermis contains a greater concentration of a natural pigment called melanin.
  • The human body is around 70% water, but 40% of it is in the skin.
How does my Skin Work?
Your skin has 3 layers:
  • The epidermis
  • The dermis
  • The sub-dermis


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