If I were to ask you what is the largest organ in the body what would you say? It's not the liver nor the intestines but the skin, it does a very important job for us and how many of us take it for granted and don't look after it? It works very hard for us and it deserves to be cared for, if you don't there will come a time when you regret you didn't, prevention is always better than trying to cure the damage caused by neglect.
HOW THE SKIN WORKS
The basics so you will understand how the skin works. The skin is comprised of 3 layers, the Epidermis the layer you can see, the Dermis the true skin and the subcutaneous. Cosmetics only work on the Epidermis and you can see how deep it is, if you have ever experienced a blister. A blister is caused when friction causes the Epidermis and the Dermis to separate and the fluid within the blister is lymph. The Epidermis has no nerve endings or blood supply that is why removing the top layer of a blister is not painful, not to be recommended though as it exposes the Dermis which is rich in nerves and a blood supply to infection.
The skin has several functions to secrete sebum that oily substance on your skin, this is to help keep the skin moisturised by trapping moisture and forming a barrier together with sweat known as the 'Acid Mantle' The Acid Mantle is slightly acidic and acts as a Bacteriastat to inhibit bacteria. The skin secretes sebum via the sebaceous glands within the hair follicles and sweat via the Endocrine glands (there are another type of sweat glands know as Apocrine glands these are found in the axillary and pubic regions unlike Endocrine sweat bacteria act on Apocrine sweat quickly and this causes the characteristic Body Odour, these glands only become active after puberty and have a role to play in pheromones)
Our body temperature is regulated by the skin this is due to the peripheral circulation either dilating to bring blood to the extremities of the body like the skin causing flushing to help loose some of the heat and also by sweating for as the sweat evaporates heat rises with it. The opposite happens when its cold the body conserves heat to vital organs more important than the skin, giving a more white/bluish appearance and may even induce shivering. At the base of every hair follicle there is a tiny cilary muscle when its cold and we start to shiver this muscle contracts causing the hair to stand up trapping a layer of air next to the skin, giving the appearance of goosebumps. Within the Dermis there are sensory nerves that detect temperature. We also have an insulatory layer of fat in the subcutaneous.
Our skin is waterproof so absorbs very little, the only things that can permeate the skin are medications, this includes patches such as Nicotine and HRT and Essential oils (see Aromatherapy articles on Blog) COSMETICS CAN NOT. Do not believe the hype and sales talk ladies if it could be absorbed by the skin you you have to go to your Doctor for it and it would need to be licensed as a Medicine.
Our Skin is protected by sensory nerves that alert us to pain, pressure, touch, heat and cold, it is waterproof largely impermeable except to the substances above, fairly tough and it with its layer of fat below the dermis in the subcutaneous layer keeps us warm, protects our organs and bones, gives us shape. As fore mentioned the Acid Mantle helps protect from bacteria as bacterial growth is inhibited in its slightly acid environment. Melanocytes special little cells in the dermis increase as a result of UV light and give us tanning, the epidermis also thickens to help protect our skin. Also in the skin are mast cells and when they are damaged, they produce histamine, it gives the characteristic itching a weals associated by allergies, its function is to stimulate blood to the skin to repair and maintain it. However with allergies the body is hypersensitive producing this effect.
The skin also excretes some toxins through sweat but this is very very minimal, so do not believe the hype of some sales people who will suggest you have a detoxifying foot bath that will rid you of toxins as it changes the water to a dirty brown colour. Again this is sheer hype and nonsense for if ridding the body of toxins was that easy we wouldn't have a need for Dialysis Machines for those suffering kidney failure. It is the Liver, Kidneys and large Intestine that detoxify us.
Vitamin D is also formed in the skin as a result of the action of UV light acting on 7-dehydrocholesterol present in the skin, so everything in moderation we do need some sunlight.
HOW THE SKIN WORKS
The basics so you will understand how the skin works. The skin is comprised of 3 layers, the Epidermis the layer you can see, the Dermis the true skin and the subcutaneous. Cosmetics only work on the Epidermis and you can see how deep it is, if you have ever experienced a blister. A blister is caused when friction causes the Epidermis and the Dermis to separate and the fluid within the blister is lymph. The Epidermis has no nerve endings or blood supply that is why removing the top layer of a blister is not painful, not to be recommended though as it exposes the Dermis which is rich in nerves and a blood supply to infection.
The skin has several functions to secrete sebum that oily substance on your skin, this is to help keep the skin moisturised by trapping moisture and forming a barrier together with sweat known as the 'Acid Mantle' The Acid Mantle is slightly acidic and acts as a Bacteriastat to inhibit bacteria. The skin secretes sebum via the sebaceous glands within the hair follicles and sweat via the Endocrine glands (there are another type of sweat glands know as Apocrine glands these are found in the axillary and pubic regions unlike Endocrine sweat bacteria act on Apocrine sweat quickly and this causes the characteristic Body Odour, these glands only become active after puberty and have a role to play in pheromones)
Our body temperature is regulated by the skin this is due to the peripheral circulation either dilating to bring blood to the extremities of the body like the skin causing flushing to help loose some of the heat and also by sweating for as the sweat evaporates heat rises with it. The opposite happens when its cold the body conserves heat to vital organs more important than the skin, giving a more white/bluish appearance and may even induce shivering. At the base of every hair follicle there is a tiny cilary muscle when its cold and we start to shiver this muscle contracts causing the hair to stand up trapping a layer of air next to the skin, giving the appearance of goosebumps. Within the Dermis there are sensory nerves that detect temperature. We also have an insulatory layer of fat in the subcutaneous.
Our skin is waterproof so absorbs very little, the only things that can permeate the skin are medications, this includes patches such as Nicotine and HRT and Essential oils (see Aromatherapy articles on Blog) COSMETICS CAN NOT. Do not believe the hype and sales talk ladies if it could be absorbed by the skin you you have to go to your Doctor for it and it would need to be licensed as a Medicine.
Our Skin is protected by sensory nerves that alert us to pain, pressure, touch, heat and cold, it is waterproof largely impermeable except to the substances above, fairly tough and it with its layer of fat below the dermis in the subcutaneous layer keeps us warm, protects our organs and bones, gives us shape. As fore mentioned the Acid Mantle helps protect from bacteria as bacterial growth is inhibited in its slightly acid environment. Melanocytes special little cells in the dermis increase as a result of UV light and give us tanning, the epidermis also thickens to help protect our skin. Also in the skin are mast cells and when they are damaged, they produce histamine, it gives the characteristic itching a weals associated by allergies, its function is to stimulate blood to the skin to repair and maintain it. However with allergies the body is hypersensitive producing this effect.
The skin also excretes some toxins through sweat but this is very very minimal, so do not believe the hype of some sales people who will suggest you have a detoxifying foot bath that will rid you of toxins as it changes the water to a dirty brown colour. Again this is sheer hype and nonsense for if ridding the body of toxins was that easy we wouldn't have a need for Dialysis Machines for those suffering kidney failure. It is the Liver, Kidneys and large Intestine that detoxify us.
Vitamin D is also formed in the skin as a result of the action of UV light acting on 7-dehydrocholesterol present in the skin, so everything in moderation we do need some sunlight.
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