How to properly use sunscreen

It is said that you should apply sunscreen thoroughly even when playing in the water outdoors.

When playing in the water outdoors - You must use products marked with water resistance or sustained water resistance.

- What are water-resistant and long-lasting water-resistant products?

The water resistance UV protection factor is measured according to the water resistance test method, and the UV protection factor after immersion is

In cases where it maintains 50% or more of the UV protection factor before immersion

Depending on the duration of water resistance, it is indicated as 'water resistance' or 'continuous water resistance'.

Water resistance was verified assuming immersion for 1 hour, and sustained water resistance for 2 hours.

If you are going to be playing in the water for a long time, it is recommended to use products with long-lasting water resistance.

In addition, even for long-lasting water-resistant products, it is recommended to reapply them frequently, every two hours.

When playing in the water at beaches or swimming pools during the summer, sunscreen can wash away and lose its effectiveness. Therefore, water-resistant products designed not to be easily washed off by sweat or water are helpful for outdoor water activities in the summer.