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Ningbo Jiali Plastics Co.,Ltd
Tel: 0086-574-83075398/ 83075178
Fax: 0086-574-87586827
E-mail:
sales@nbjiali.com

 

Contact Person:Kody

What's App:0086-15967846503

Skype:kodytong

Hair And Skin
  
Skin and Hair 
  A great shave goes beyond the surface. Over time, skin and hair change in response to factors including: age, environmental factors (e.g. sun, wind) and hormones. Understanding these factors, as well as skin and hair growth specifically, are key to achieving a smooth shave on a consistent basis. 
Understanding Skin 
  The body's largest organ, skin not only protects us against environmental influences, but also acts as a continuous conductor sending sensory information to the brain for processing. 
Skin's Structure 
  Skin consists of two primary layers: the epidermis and dermis. The epidermis is the external layer of skin and is composed mainly of a protein called Keratin. The inner layer of skin, known as the dermis, contains collagen protein which provides strength and contains the nerves, blood vessels, sweat glands, oil glands and upper part of the hair follicle. 
New Skin, Every 14 Days 
  The skin is in a constant state of renewal as cells from below divide and replenish aging cells above. Every 14 days the external skin surface is renewed, and every 45-75 days skin undergoes a complete re-building of its full thickness. 
Hair Growth 
  Every 24-72 hours, cell division and corresponding hair growth occurs within the hair follicles resting deep inside the dermis. Despite the speed of this process, it takes newly formed hair about three weeks to appear at the skin surface. Hair grows on a cyclical basis with each hair growing to a pre-determined length. Eyebrow, eyelash and beard hairs never grow as long as scalp hairs because they spend less time in the growing phase before entering a resting phase. 
Types of Body Hair 
  There are several different types of hair found on the body: Vellus: This is the fine, white hair found on a woman's face. Vellus hair grows for a limited time, never reaching any appreciable length. Transitional: Usually a fine, brown hair found on a woman's arms. Like vellus hair, transitional hair never reaches any appreciable length. Terminal: Hair found on the scalp that also comprises the face and body hair seen in men.


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Ningbo Jiali Plastics Co.,Ltd
Add: No.77 Chang Yang Road Hongtang Town,Ningbo,China.
Tel: 0086-574-83075398/ 83075178
E-mail: sales@nbjiali.com