The skin type
Human skin is a
real body with which the interaction of internal environment of our body with
the world that surrounds us. It communicates with the outside world, send and
receive an unlimited number of messages and signals.
It acts as a real
barrier and prevents the passage of foreign substances and the release of other
useful substances. It acts also as a place of Exchange and communication with
the outside world, send to our Organization to a variety of helpful posts from
the external environment.
The skin is made
up of two layers: the DermIS, epidermis, the outer layer and the internal layer
and melanocytes. Melanocytes are the cells responsible for the synthesis of
melanin, the dark pigment that gives color to our skin. During exposure to the
Sun accumulates melanin in the skin, giving it a Tan.
This Tan is our
natural protection against solar radiation. The attitude of any type of skin
for tanning plu or less, depends on several factors that are genetically determined.
These factors regulate the synthesis of melanin.
The different types of skin, with a color of the hair and eyes, are divided into six types, which differ in the way of response to the amount of solar radiation they receive. These types are:
1. very light
skin, blue eyes, blond or red hair: Burns often, sometimes tans.
2. fair skin,
light eyes and hair color: often burns and tans with difficulty.
3. the
intermediaries to clear skin, Brown or green eyes, brown hair: rarely Burns,
tans usually with a golden hue.
4. the
intermediaries ' olive ' or dark skin, dark eyes and hair: Burns rarely, often
bronze.
5. dark or brown
skin, black eyes and hair: natural brown skin.
6. very dark
skin: natural black brown skin.
The main goals of
ultraviolet radiation are the eyes and the skin. Sunburn, skin rash, keratitis
showing more elementary a unprotected exposure to the Sun.
