Sunlight and skin

What is the effect of sunlight and your skin now? Sunlight plays an important role in human health, such as direct sunlight, which may be beneficial in helping to synthesize vitamin D to help bones strong. However, under today’s environmental conditions, it is important to understand the effects of sunlight and protect the skin from the bad effects.

What is the effect of sunlight and your skin on your health? The sun is a part of life because it brings many benefits to people. However, it also brings negative impact on our skin. Find out below.

What is sunlight?

Sunlight consists of spectral rays, other rays with different wavelengths. Long wavelength light, visible light and infrared light can penetrate deeply into the skin. Therefore, they can harm our skin.

UV rays with shorter wavelengths interact with cells, then generate highly reactive free radicals.

Free radicals cause damage to cells, the appearance of wrinkles, chronic skin conditions, and various diseases including cancer.

Sunlight and skin

>>>>>>> More: Factors affecting the skin

Expression on the skin

Positive effect of sunlight and skin. With moderate exposure time, sunlight has a positive effect on the skin.

Spirituality: Sunlight is a precious remedy for those who are showing signs of depression due to the weather.

Vitamin D synthesis: Just 15 minutes of outdoor sunbathing can help to synthesize vitamin D to help strengthen the bones.

However, exposure to sunlight for too long will be very dangerous to the skin, especially the sun at high temperatures. It may cause:

  • Sunburn
  • Dermatitis caused by sunlight, mild rash (10% of the adult population), acne, and other dermatological conditions.
  • Skin discoloration, brown spots, melasma, ..
  • Immune system damage due to sunlight
  • Sensitive to sunlight

There are also long term harms such as

  • Promotes skin aging, brown spots, deep wrinkles and reduced skin quality.
  • Skin cancer

Harms from UV rays

The greatest harm to the skin is to UV exposure. UVB rays stimulate skin pigmentation, which is the main cause of sunburn. UVA rays penetrate deeply into the skin, promoting the aging process of the skin and causing the skin to be intolerant of sunlight, manifested under the sun and skin pigmentation disorders.

Radiation from UV rays transforms the cell’s core and damages the DNA of the cell. If these invisible lesions constantly on the skin, in the long run will lead to skin cancer.


When going out in the street, look for shade and avoid direct sunlight from 10am to 4pm.

Protect yourself and children with hats, sunglasses and t-shirts.

Apply moisture and protect skin lotions like sunscreen for 20 minutes before sun exposure at the recommended level. After every 2 hours reapply and especially contact with water, sweat a lot, apply cream again.

Foods also enhance sun protection. Some are natural ingredients such as carotenoids, vitamin C, vitamin E. Foods that contain these substances can help you increase the resistance against UV rays better.

Here’s some information on how sunlight and skin effects. Possessing a natural skin that is not damaged by ultraviolet radiation needs careful skin care and health.

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