And unlike many other brands, our products protect against both UVA and UVB rays equally well, because zinc oxide, our sole active ingredient, covers all parts of the UV spectrum equally.
There’s no other known ingredient that does, including titanium dioxide, which misses fully half of the UVA portion, and all petrochemicals, which must be cobbled together to cover various separate spectrum portions, with disastrous results to long term user health.
What “Broad Spectrum” actually means
The sun emits energy of various wavelengths that penetrate our Earth’s atmosphere. These include 2 types of ultraviolet light known as UVB rays, which mainly affect the skin’s surface (think B for Burn), and UVA rays, which penetrate to deeper skin layers where their effects can’t be seen directly (think A for Aging, including DNA damage and development of skin cancer).
A broad-spectrum sunscreen technically means it should defend against both UVB and UVA rays. But it’s critical to note that a product’s SPF relates ONLY to UVB rays, those affecting the surface. It has nothing to do with effectiveness against UVA rays, those which damage deeper tissues. The sun also emits UVC rays, which are absorbed by the ozone layer. (But just in case, zinc oxide covers UVC rays, too.)
Waxhead Zinc Oxide Sunscreens + TRUE Broad Spectrum
Now the good news. Zinc oxide provides excellent protection against both UVA and UVB rays and is simply the best active sunscreen ingredient in the industry today.
Zinc oxide covers the entire UV spectrum by itself and has the most consistently effective absorption capabilities, which never degrade. This means that with 25% zinc oxide, the most of any brand, Waxhead sunscreens need no other active ingredient to deliver TRUE broad-spectrum coverage.
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