Facts about sunscreens
Sunscreens have evolved, from pastas to creams, lotions or sprays and maybe one day be as simple as taking a pill. We present a few tidbits that are sure to not know about sunscreens:
Besides umbrellas and hats, ancient cultures used a variety of sunscreens made from extracts of herbs or mineral crusts to protect skin from the sun's rays. These early sunscreens include ingredients such as rice bran oil, iron, clay or pitch.
In more recent times, in the 1910s, sunscreens were developed from extracts of horse chestnut. This pasty sunscreen sold under the name Zeozon. In the early 30's, was introduced Ambre Solaire oil sunscreen that was easier to apply to the skin.
How does a sunscreen work?
Sunscreens may contain the two ingredients: inorganic particles such as titanium dioxide and zinc oxide, or organic compounds, such as herbal extracts or compounds such as oxybenzone.
Particulate sunscreens provide protection against UV physical block or reflect the sunlight. The organic components absorb UV rays and release their energy as heat, providing chemical protection.
Does it prevent sun protection get vitamin D from the sun?
Studies have given mixed results, but tests have shown that large despite the sunscreen makes us sum least amount of vitamin D, the effect is not significant.
The innovative spray sunscreen ease of application led to a whole new level. But are these products safe and effective?
Recently, the FDA warned of the dangers of sun protective spray applied near an open fire. They found five cases of people who suffered burns from the spray applied near the fire.