Saturday, 4 June 2016

DOES SUN MAKE YOU DARKER??


                           


Well today I am going to discuss one of the very common problem. Almost everybody including me encounter this problem. Sun is very notorious culprit of many skin disease. Many people coming to me have this complain that they are getting darker day by day. This is because of sun. Continuous exposure to sunlight cause darkening of skin which is called as SUN TANNING.

WHAT is Skin Tanning??
In simple word darkening of skin due to continuous exposure to sun light for many years. This is due to uv rays in sunlight which activate melanin cells to produce more melanin. As melanin increase skin becomes darker slowly slowly. Fore head, around eye, nose, chin, malar area are the main part of face which very prone to get tanning. 

What is type of skin??
Theoretically dermatologist classify skin in six type. Western people have type 1 or 2 skin which means they don't get tanning on exposure but they get burning of skin. Indians have type 4 or 5 type skin which easily get tan but don't burn. Blacks have type 6 skin which never burn at all. So basically tanning is protective mechanism which prevent skin to get burn.


Type of tanning
It is basically called delayed type pigmentation which comes after repeated exposure to sun for long duration. It persist for long time and make skin darker permanently in absence of proper treatment.   There is immediate type of tanning too which persist for few hour to days.

HOW TO PREVENT TANNING?
Best prevention form sun tanning is ignore sun exposure. Keep the face covered while out of the home. it is very effective and easily can be done. Use sunscreen every four hourly till evening. SPF should be above 30 and around 50. Although greasy and sticky sunscreen are bit irritating but more effective than non sticky sunscreen. Sunscreen should'nt be stopped even after tanning goes off.

TREATMENT
There are multiple creams which can be applied like kojic acid, hydroquinon, triple combinations. But chemical peel is effective method. It needs multiple sessions with proper gap duration. There is another option that is ND YAG Q Switch carbon facial. It also require multiple sessions but it is costly than peel. Although effectiveness and response with peel and laser are variable.



1 comment:

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