Normally, applying sunscreen is a daily routine included in the Skincare Routine of many people. Who do it before leaving home to go to work. But when a new outbreak of COVID 19 occurred, causing most people to have to work from home. Or Work From Home (WFH), the question arises: In fact, if we have to work at home and do not go out in the sun anywhere. Do we still need to apply sunscreen?

Why is sunscreen important?

• Ultraviolet (UV) radiation (UVA and UVB) is the main cause of skin damage, free radicals, wrinkles, sagging skin, sunburn, and skin cancer.
• UVA rays can pass through glass into houses, as well as blue light from mobile phones and computer screens. Therefore, even when you are indoors, you should still apply appropriate sunscreen. 
• You should choose a sunscreen that can protect against both UVA and UVB rays. You can look at the SPF and PA values ​​respectively. You should choose an SPF level of 30 and a PA value of 3+ or higher.

How do sunlight and UV rays affect your skin?

Dr. Peerathitha Rattakul, a dermatologist specializing in laser skin disease treatment, cosmetic surgery, and facial contouring with fillers at http://ufabet999.app, stated. That sunlight or sunlight is one of the main causes of damage to skin cells, causing free radicals, dermatitis, loss of collagen under the skin, darkening of the skin, freckles. And increasing the risk of skin cancer. Sunlight consists of infrared light, visible light, and invisible light, which is the ultraviolet (UV) or UV that we are familiar with.

There are 3 types of UV rays in sunlight: UVA, UVB, and UVC. Most UVC rays are absorbed, reflected, or destroyed by the Earth’s ozone layer. So they do not have much effect on the skin. Therefore, we will talk about the first 2 types of rays: UVA and UVB, which are the main causes of various skin problems.

1. Ultraviolet A or UVA rays  can be divided into UVA-I and UVA-II. In sunlight, there is up to 95% UVA. UVA rays are harmful to the skin, causing wrinkles, sagging skin, darkening of the skin, dark spots, and the creation of free radicals. They indirectly affect DNA, genetic mutations, and can cause some types of skin cancer.
2. Ultraviolet B or UVB rays  cause sunburn, skin inflammation, premature aging. And are also a major cause of skin cancer if the skin is exposed to sunlight frequently, especially midday or afternoon sun, or when the sky is clear with few clouds, and without good protection.