BSC System of Skin Care & Renewal | Health and Fitness

Skin ? we all have it and we all want it to look and feel better!

But what is skin? Human skin is our body?s largest organ just like your liver or heart, but it?s the one the whole world sees.

The skin?s functions are:

• Regulate body temperature
• Let?s us feel heat, cold & pain (touch)
• Prevent? excessive water loss
• Protect us from infections (healing)
• Protects us from the sun with a specialized pigment (melanin)
• Involved in the production of Vitamin D

The skin is much deeper than what you see on the surface though.

Your skin has layers:

Epidermis ?the outer most layer of our skin. Contains sub-layers of different skin cell types.

Stratum corneum ? Very top layer of the epidermis.

• Is a protective layer of dead skin cells ? fully mature kerantinocytes ? that contain? fibrous proteins known as keratins
• Is thinner than tissue paper
• Helps to hold in skin moisture and oil
• Continuously sheds (exfoliates) but this shedding slows with age

Keratinocytes layer ? (Squamous cells)

• Lies just beneath the stratum corneum
• Contains living kerantinocytes

Basal Cell Layer ? lowest level of the epidermis.

• Continually divides to produce new karatinocyte skin cells

Melanocytes ? not really a layer but part of the epidermis

• Produce melanin? (skin pigment)
• The amount of melanin your skin has determines the color of your skin.
• The amount of melanin you have is genetic.

Dermis ?your middle layer of skin and is made up of almost 70% collagen

The dermis also consists of:

• fibroblasts
• sebaceous gland
• blood vessels
• hair follicles
• sweat glands
• nerve endings
• immune system cells

Fibroblasts ? are responsible for secreting collagen, elastin and ground substance ? all of which give support and elasticity to the skin.

Elastin Fibers? wrap around collagen to give support to your skin.

Sebaceous Glands ? produce sebum, which is an oily, waxy material that helps keep skin supple.

Subcutaneous Fat Layer ? Lies under the dermis layer. Gives skin it?s plumpness.

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