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Zombie Corals and Sunscreen

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Zombie Coral Reefs

One year ago I wrote a blog post, "The Sunscreen Story Just Got Another Story," which linked increasing presence of certain chemicals in our environment with lowering fertility rates. A 15-year study of almost 5,000 Danish men with an average age of 19 found that only 25% had "really good semen quality—that is the shape and concentration of the sperm." Though the study concentrated on PFCs (perfluorochemicals) and phthalates, found in plastics and cosmetic products, head researcher Niels Jorgensen speaking at the European Society of Human Reproduction and Embryology’s annual conference also recommended abandoning sunscreens, much to the discomfiture of the Cosmetics, Toiletry and Perfumery Association.

However, before we abandon all sunscreens we should make an effort to identify the problem.

The principal culprit in relation to fertility problems appears to be oxybenzone found in chemical sunscreens, judged a hormone disruptor by the EWG. The latest reports of a similar plight suffered by another of oxybenzone’s victims would seem to support the so far hypothetical link between oxybenzone exposure and reduced fertility.

Scientists are now saying that hopes that sea corals will recover in the future are being dashed by the emergence of so-called "Zombie Corals," or corals with no reproductive ability. Cherly M. Woodley, a marine biologist at NOAA’s National Ocean Service led a research study that sampled 327 coral samples off the coasts of Florida, Puerto Rico and the US Virgin Islands. The University of Florida team found that in some places off the Florida keys the coral had no eggs or sperm, in contrast to remote areas of the virgin islands, where coral still had full reproductive ability. The areas most affected were the highly popular tourist areas, and the source of the problem was eventually narrowed down to oxybenzone, the most commonly used UVB filter in sunscreens. Oxybenzone has a number of deleterious effects on coral, causing DNA damage in adult coral while simultaneously deforming it at the larval stage. Shortly after the study’s findings were revealed at the 13th Annual Coral Reef Symposium moves to introduce legislation banning oxybenzone were begun in Hawaii.

We knew oxybenzone wasn’t good for children, then we found out it wasn’t good for men, and now we find out our coral reefs are suffering. The good news is that we have, for once, a problem we can pretty readily solve.

Here are some recommendations for getting good sun protection that keeps swimmers, from little swimmers down to the littlest swimmers, and the coral reefs thriving and healthy.

Zinc Oxide Only Sunscreen, SPF 30

You can get versions for kids and men from Badger and other companies that are safe and effective. Just make the kids (both sets) wear them. To be on the safe side I’d stay away from all chemical compounds in sunscreens and just stick to the minerals—with zinc oxide only getting my strongest recommendation. If you want a cosmetic type sunscreen for the face that disappears into the skin we at Marie Veronique make SPF 30 tinted zinc oxide only sunscreens.

Antioxidants

DIY antioxidant. You can make an excellent antioxidant sunscreen booster at home using green tea, which contains antioxidant catechins and some UV filtering capabilities. Misting all over face neck and arms is a great way to cool off on a hot day, it doesn’t matter how often you do it, and it’s safe for everyone down to the tiniest toddler. Take a spray bottle for the beach, on hikes, sports events (either watching or participating.)

To make: Pour 3 to 4 cups boiling water over three to five teabags, let steep ½ hour. Remove teabags, refrigerate, then pour into a spray bottle when cooled. Keep refrigerated.

The antioxidant combination to invest in

Antioxidants like Vitamin C are great skin-savers, and dermatologists recommend using antioxidants in addition to sunscreen. However there are real problems getting Vitamin C to work the way you want it to.

It’s not stable. In fact, it oxidizes so rapidly in solution there’s usually not enough active Vitamin C left by the time it reaches your skin to do much good. Its instability has led formulators to come up with solutions like Vitamin C derivatives and Vitamin C powders. Unfortunately oil-soluble C derivatives like ascorbate phosphate and ascorbyl palmitate, aka ester-C, are usually too stable to have more than limited permeability and function in the skin.

Ascorbic acid powders, like the ones in sprinkle or capsule form that you keep separate from the wetting agents until you are ready to use them, pose a different set of problems. As soon as you wet the powder and apply the resulting lotion to your skin the Vitamin C recrystallizes, and crystallized Vitamin C, because it can’t penetrate the skin, doesn’t work as an antioxidant. If that isn’t discouraging enough, there is also a pH problem. L-ascorbic acid penetrates better at low pH, and mixing L-ascorbic acid with water results in a very low pH of around 2.2 to 2.5 which you’d think would be ideal—until you remember that the skin’s acid mantle works best to protect the skin when its pH is around 5 to 5.5. A pH too high can result in dry and irritated skin, but a too low pH can create redness, inflammation and quite often angry breakouts—even in people who don’t normally break out.

Synergy. Vitamin C and Vitamin E work together, scavenging and recycling free radicals from one to the other in feedback loop fashion. Ferulic acid, another powerful antioxidant when acting on its own, works even better with Vitamins C and E. The most state-of-the-art Vitamin C serum to be found at this stage of formulating knowledge appears to be a serum that contains stabilized ascorbic acid, Vitamin E and ferulic acid.

Sun Protection boost. A study shows that combining antioxidants Vitamin C, E and ferulic in the correct ratio can increase the protection power of your sunscreen by up to eight times. A good, ready-made Vitamin C, E ferulic acid serum is worth the investment, especially given that homemade C serums are very difficult to get right.

Astaxanthin Supplements

Astaxanthin is a very powerful antioxidant, and taking it internally as well as applying it topically will help protect your skin from the sun. For example, it is highly recommended that fair skinned people from Northern climes start taking astaxanthin supplements a month or so before going on vacation—fair skins that don’t get sun regularly are at greater risk of developing skin cancer, in some measure because their owners indulge in risky behavior such as chasing after a “healthy tan.” Actually, the phrase itself is oxymoronic, not just the people who chase after one. Some of us have maintained for years that the most salubrious vacation is the one where you’re inside reading a book, or in a darkened bar getting snockered, and who knows, we may be on to something.

Topical oil blends that contain cartenoids like astaxanthin and lycopene can provide a little additional sun protection, but your best protection via the carotenoid route is to include red and orange-colored veggies in your diet and supplement with astaxanthin both internally and topically.

Cover Up

Wear big hats, cover yourself with shirts, use parasols, you know the drill. If you turn pink don’t slather on more sunscreen, seek shade. And remember Kipling’s judicious warning: "Mad dogs and Englishmen go out in the midday sun."


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Vitamin C+E+Ferulic Serum
VITAMIN C+E+FERULIC SERUM

Vitamin C, E and Ferulic Acid combination delivers a sun protection boost to daily sunscreen. Vitamin C works at night to rebuild collagen.

Featured in Dr. Oz The Good Life July/August 2016 Issue

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Everyday Coverage Tinted SPF30

EVERYDAY COVERAGE TINTED SPF30

A zinc-oxide only sunscreen safe for the whole family. With 20% non-nano zinc oxide for maximum protection, you can kiss the sun’s damaging effects good-bye. Wear it everyday, from morning to night.

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Sun Duo

SUN DUO

Filter UVA with CAROTENOIDS, moisturize with EFAs and get Broad Spectrum protection with a non-nano Zinc Oxide sunscreen, Everyday Coverage Tinted SPF30. Plus, Protective Day Oil's combination delivers a sun protection boost.

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Antioxidants Sun Protection Vitamin C Vitamin E Zinc Oxide

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Comment


  • Love this article! So lovely to read an honest, science based article on natural cosmetics! I see so many influential health bloggers recommending DIY vitamin C serums without any knowledge on how different types of vitamin C actually work on the skin!

    Amy on

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