Why is it easy to get sunburned by the sun at the beach?

Four reasons why you are prone to sunburn when you go to the beach to play in the water:

1. The ultraviolet rays at the beach are very strong. In addition to direct sunlight, the refractive index of the sea to ultraviolet rays makes Ultraviolet rays at the beach are much higher than elsewhere.

2. The seaside is not as shaded by buildings and trees as in the city, and people will be unconsciously exposed to the sun for a longer time when playing, thus increasing the time they are affected by ultraviolet rays. .

3. Wearing less clothes when vacationing at the beach also increases the exposed skin area to a certain extent.

4. If the skin has been soaked in water, the water content of the stratum corneum will increase, causing the skin's ability to reflect light to become worse and vulnerable to ultraviolet erosion.

Extended information:

Key points of sun protection when traveling to the beach:

1. Choose sunscreen with a higher SPF

Go to the beach When going out, you should choose sunscreen with a higher SPF. If you stay at the beach for a long time or go diving, you must use SPF50 sunscreen.

2. Reapply sunscreen every hour

It is best to carry sunscreen spray with you for easy use.

3. Dry your body after entering the water and apply sunscreen

After coming out of the water, be sure to dry your body and apply sunscreen, because the moisture on the surface of the skin will also It absorbs ultraviolet rays and makes you more susceptible to tanning if not dried in time.

4. The golden repair period of 72 hours after sun exposure

If you forget to use sunscreen, you must repair it 72 hours after sun exposure to avoid spots on the skin. The skin becomes dull after exposure to ultraviolet rays. It is fragile and needs to be cooled, calmed and hydrated. Apply an ice towel to the skin for 15 minutes to cool it down, then apply a toner mask on the face to replenish moisture to the skin, and then apply moisturizing cream.

Reference material: People’s Daily Online—Sun protection guide for going to the beach in summer