Understanding UVA, UVB, HEV, and IR-A in Sunscreen Products

When choosing sunscreen, you may notice labels mentioning protection against UVA, UVB, HEV, and IR-A rays. But what do these terms mean, and why are they important for your skin?

UVA (Ultraviolet A) Rays
UVA rays penetrate deep into the skin and are primarily responsible for premature aging, such as wrinkles and dark spots. These rays are constant throughout the day, regardless of the season or weather, making year-round UVA protection essential.

UVB (Ultraviolet B) Rays
UVB rays affect the skin's outer layer and are the primary cause of sunburn. They also play a significant role in the development of skin cancer. Unlike UVA, UVB intensity varies by time of day, location, and season, peaking between 10 AM and 4 PM.

HEV (High-Energy Visible) Light
HEV light, often called "blue light," comes from both the sun and digital devices like smartphones and computers. While less intense than UV rays, prolonged exposure can contribute to skin damage and hyperpigmentation. Sunscreens with HEV protection are particularly beneficial for those who spend a lot of time in front of screens.

IR-A (Infrared A) Rays
IR-A rays are a part of the sun’s infrared spectrum and are responsible for the heat we feel. These rays can penetrate deep into the skin, triggering oxidative stress that accelerates aging and damages skin cells. Sunscreens with IR-A protection help defend against this hidden source of harm.

Why Comprehensive Protection Matters
Sunscreen products offering broad-spectrum protection shield your skin from UVA, UVB, HEV, and IR-A rays, providing a comprehensive defense against sunburn, aging, hyperpigmentation, and long-term skin damage.

The next time you pick up sunscreen, look for products labeled with broad-spectrum coverage or specific protection against these rays. A little extra care today can help preserve your skin’s health and appearance for years to come.

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