ABSORPTION OF THE SKIN | Blog About Health & Medicine

ABSORPTION OF THE SKIN

Tuesday, April 21, 2009 | 1:56 am

In general, the skin is impermeable. Water for instance, will not go through it. When the molecular structure of an oil or an emulsion is fine enough to cross the epidermal barrier, then the active ingredients can be carried not only through the epidermis but deep into the skin and sometimes throughout the body via the blood stream. There are three main routes of skin penetration, through the hair follicles into the sebaceous gland, through the sweat glands and through the unbroken stratum corneum.

Although the skin is an intact outer layer of the body, it is in fact indented by hair follicles with their sebaceous (oil) glands and by the pores of the sweat glands. These pockets are normally resistant to bacterial attack (except in certain cases where they show as pimples, boils, blackheads or acne). They will allow the entry of special drugs and chemicals into the body. These chemicals may be absorbed in order to combat infections of the skin (e.g.. antiseptic creams and ointments) or they may be used as skin conditioners to help overcome dryness or damage.

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—admin
(posted in Skin Care | tagged Skin Care)

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