• We needs clothes to keep warm, provides physical safeguards to the body, protect the body from climate and environment’s harm. 
  • Our face need protection as well, protection from ultraviolet rays, the dirty air, dirts, so that we can maintain a beautiful and fair complexion skin.
  • Therefore, if you only pay attention to skin care series and not sun block, your skin care regime effort is equal to only half.


Frequent skin problems related to sunlight ;

  1. Sunburn
  2. Dry / Peeling
  3. Tan
  4. Spots, freckles, pigmentation


UV damage to the skin

  • UVA/long wave

The energy reaching the surface is 100 times that of UVB, which mainly destroys the breakage of the underlying fiber and causes aging.

  • UVB/medium long wave

Mainly causes sunburn, dullness, dry skin, redness, heat and pain, and is a cancer with high carcinogenicity.

  • UVC / short wave

The penetrating power is short-wave part that can be absorbed by the ozone layer, mainly causing skin to cause skin cancer


Sunscreen Coefficient :

  • UVA protection: Prevents tanning.
  • PA (Protection Grade of UVA).Refers to the ability to defend against UVA.
  1. PA+ (protection from UVA damage)
  2. PA++ (equivalent protection)
  3. PA+++ (excellent protection)


  • SPF measures sunscreen protection from UVB rays
  • SPF stands for Sun Protection Factor. SPF numbers on a package can range from as low as 2 to as high as 100


Sunscreen product analysis :

  • Sun protection is divided into: Physical sunscreen or Chemical sunscreen
  • Physical sun protection principle: Using the principle of refraction and radiation, the particles of the sunscreen product directly block, reflect or scatter the purple line.
  • Photoprotection involves both primary and secondary protective factors.
  1. Primary factors are sunscreens; these include physical barriers which reflect and scatter light, and chemical barriers which absorb light.
  2. Secondary factors include antioxidants, osmolytes, and DNA repair enzymes which help to limit skin damage by disturbing the photochemical cascade that takes place by UV sunlight.



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