Medical doctor and physical therapist Dr. Lyien Ho emphasized the importance of using sunscreen, especially as the summer months begin to reach their peak.

1. 紫外线种类：紫外线分为 UVA、UVB 和 UVC 三种。UVA 能穿透皮肤深层，导致皮肤老化和皱纹；UVB 主要引起皮肤晒伤和红斑；UVC 通常被臭氧层阻挡。

SPF measures how much UVB radiation sunscreen blocks from hitting your skin. But the higher the SPF number, the less protection it offers from UVA radiation. You should be using a broad-spectrum ...

Our rigorous independent tests identify Best Buy recommendations for sun creams that pass British Standard tests for UVA and UVB sun protection so you know you're getting a product you can rely on - ...

The two main types that impact skin are UVA and UVB, and together they are responsible for producing changes within the skin that can lead to sunburn, skin cancer along with things like ...

This new sunscreen combines UVA + UVB defense with a hydrating, soothing formula to help strengthen the skin barrier.

First, pick one that says broad spectrum. That means it will block both UVA aging rays and UVB burning rays. Next, wear at least SPF 30, even if you're working on your tan. If you're going to be ...

In some cases, they provide much less – we've seen some with only a third of their claimed SPF. This means they provide much less protection against UVB rays, which cause sun burn. Bad sun creams also ...

Sun Bum Original SPF 50 Sunscreen Lotion | Vegan and Hawaii 104 Reef Act Compliant (Octinoxate & Oxybenzone Free) Broad Spectrum Moisturizing UVA/UVB Sunscreen with Vitamin E | 8 oz on Amazon ...