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learn the science behind playing in the sun
LEARNING LAB
The Learning Lab
Benzene Exposure in Sunscreen
Benzene Free Sunscreen
You may have seen the recent news about benzene being found in a long list of sunscreens. The independent testing organization Valisure tested hundreds of sunscreen and after...
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Mineral Sunscreen vs Chemical Sunscreen
Mineral Sunscreen vs Chemical Sunscreen
People email us to ask all kinds of sunscreen questions, one of the most frequent one we hear is: what’s the difference between mineral sunscreen and chemica...
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Is Zinc Oxide Safe?
Is Zinc Oxide Safe?
Zinc oxide has been used in skincare for 1000s of years to treat many forms of skin irritations as well as offers as a skin protection. It’s still used today in sunscreens, diap...
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Is Homosalate Safe?
Is Homosalate Safe?
Physical sunscreens typically use 1 or sometimes 2 active ingredients.
Chemical sunscreens need to use 3-4 or even more active chemical ingredients to either a) cover the entire...
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What is Broad Spectrum Sunscreen?
Let’s face it, many claims on sunscreen labels these days are confusing and potentially misleading. If you’ve seen "broad spectrum" on sunscreen labels, but wonder what it actually means, you’ve co...
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Is Octinoxate Safe?
Is Octinoxate Safe?
Chemical sunscreen ingredients are confusing, hard to pronounce and difficult to keep straight. If you’re wondering if octinoxate is safe, you’ve come to the right place. In thi...
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Is Octocrylene Safe?
Is Octocrylene Safe?
No, not really. I wouldn't put it on my skin.
Octocrylene is readily absorbed by skin and accumulate within the body. It absorbs UVB (top-surface) and some short UVA (deep-skin...
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What is zinc oxide sunscreen?
What is zinc oxide sunscreen?
Zinc oxide sunscreen uses the mineral compound zinc oxide as an active ingredient. It sits atop of the skin where it absorbs and reflects UV rays, converts them into i...
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Shea Butter for Babies
Shea Butter for Babies
Ancient history tells of West Africans using jars of rich shea butter to protect and nourish their skin and hair. Naturally abundant in Vitamins A, E and linoleic acid (Vitam...
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20 Benefits of Vitamin C
Benefits of Vitamin C
We started Waxhead to find a better way to protect the skin in the sun. In designing our Antioxidant Bites, Vitamin C quickly became a must-have ingredient, simply because of ...
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Is avobenzone safe in sunscreens?
Is avobenzone safe in sunscreens?
Avobenzone is not Safe for Humans
In short, NO. Avobenzone isn't safe for humans, and it isn't reef safe.
Currently one of the most popular active ingredients used...
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Understanding Non Nano Zinc Oxide
What's the difference between non-nano zinc oxide and nano-sized zinc oxide in sunscreen?
The answer can be complex.
Non-Nano Zinc Oxide (not small)
Non-nano particles are much larger and more co...
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