HOW SUNSCREEN COULD BE CAUSING SKIN CANCER, NOT THE SUN
by ARJUN WALIA
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Summer may be a long way off, but it�s never too early to start thinking about protecting
your skin. For most people, this means covering themselves in sunscreen, which corporate marketing
campaigns encourage at every turn. Yet, while we do indeed need protection to prevent sunburns,
blocking out the sun entirely is not ideal. Rich in vitamin D, it offers a number of other
health benefits, including, oddly enough, cancer prevention. We�ve been made to fear
the sun, and, as a result, adults and children are choosing to drench themselves in a bath
of toxic, hormone-disrupting chemicals.
Science has long shown that what we put on our skin ends up in our bodies, and quickly.
Multiple studies from across the world have examined sunscreen in particular, evaluating
its ingredients and how it penetrates and absorbs into the skin after application. One
study, conducted at the Faculty of Pharmacy at the University of Manitoba, Canada, sought
to develop a method for quantifying common sunscreen agents. Results demonstrated a significant
penetration of all sunscreen agents into the skin, meaning all of these chemicals are entering
multiple tissues within the body. (source)
Conversely, a study published in Environmental Health Perspectives showed a significant drop
in hormone-disrupting chemicals that are commonly found in personal care products after participants
switched to �cleaner� products. These chemicals include oxybenzone, triclosan, parabens,
phthalates, and more. You can read more about that and access the study here. All of these
ingredients are found within most poplar sunscreens.
So, the next question becomes, are the ingredients used to make sunscreen, which are entering
into our bloodstream, something to be concerned about? The science given to us by the corporations
who profit from the sale of sunscreen says no, but I think by now we have established
how trustworthy such corporately-funded �science� is. It wasn�t long ago that Johnson & Johnson,
for example, was found guilty of knowingly putting a cancer-causing baby powder on the
market. You can read more about that here.
This is precisely why we wanted to bring attention to an article published by the Huffington
Post titled �Excuse Me While I Lather My Child In This Toxic Death Cream.� In it,
mother Sarah Kallies shares how exhausted she feels trying to navigate today�s world
and do the best for her children when everything, everywhere, seems to be killing us. For every
purchase she makes for her children, there is science telling her it�s great on the
one hand and toxic on the other, and so she highlights how confusing the consumer marketplace
has become. We are dished a wealth of information that differs from source to source, on a variety
of different topics, making it difficult to make even the simplest of choices without
second-guessing ourselves.
Yet we know the various chemicals found within sunscreens are toxic, and we know that our
skin absorbs whatever we put onto it. Below are a few examples of these chemicals:
Oxybenzone
This could in fact be the most troublesome ingredient found in the majority of popular
sunscreens. Used because it effectively absorbs ultraviolet light, it�s also believed to
cause hormone disruption and cell damage, which could promote cancer.
According to the Environmental Working Group:
Commonly used in sunscreens, the chemical oxybenzone penetrates the skin, gets into
the bloodstream and acts like estrogen in the body. It can trigger allergic reactions.
Data are preliminary, but studies have found a link between higher concentrations of oxybenzone
and health harms. One study has linked oxybenzone to endometriosis in older women; another found
that women with higher levels of oxybenzone during pregnancy had lower birth weight daughters.
(source)
There are many other studies out there on this chemical. For example, one study done
by the Department of Clinical and Experimental Endocrinology at the University of Gottingen
in Germany observed regulatory effects on receptor expression for oxybenzone that indicate
endocrine (hormone) disruption.
A study out of the Institute of Pharmacology and Toxicology from the University of Zurich
determined that oxybenzone may also mimic the effects of estrogen in the body and promote
the growth of cancer cells.
Prompted by multiple studies, a study out of the Queensland Cancer Fund Laboratories
at the Queensland Institute of Medical Research in Australia recognized the significance of
systemic absorption of sunscreens. Researchers discovered that oxybenzone inhibited cell
growth and DNA synthesis and retarded cycle progression in the first of the four phases
of the cell cycle. They determined that sunscreen causes mitochondrial stress and changes in
drug uptake in certain cell lines.
A study published in the Journal of Health Science by the National Institute of Health
Sciences in Japan examined UV stabilizers used in food packages as plastic additives.
They found that some UV stabilizers in sunscreen products have estrogenicity in an MCF-7 breast
cancer cell assay as well as an immature rat uterotrophic assay. They tested a total of
11 UV stabilizers. 20 kinds of benzophenones were tested using the same assay to demonstrate
their estrogenic activity.
The list goes on and on.
Retinyl Palmitate (Vitamin A palmitate)
A study conducted by U.S. government scientists suggests that retinyl palmitate, a form of
vitamin A, may speed the development of skin tumors and lesions when applied to the skin
in the presence of sunlight (NTP 2012). �Retinyl palmitate was selected by the Center for Food
Safety and Applied Nutrition for photo- toxicity and photocarcinogenicity testing based on
the increasingly widespread use of this compound in cosmetic retail products for use on sun-exposed
skin,� reads an October 2000 report by the National Toxicology Program.
As Dr. Joseph Merocla explains, this suggests that sunscreen products could actually increase
the speed at which malignant cells develop and spread skin cancer, because they contain
vitamin A and its derivates, retinol, and retinyl palmitate.
Fragrance
Fragrance refers to a host of harmful hormone-disrupting chemicals mentioned earlier, like parabens,
phthalates, and synthetic musks.
Sun Exposure Can Protect You From Cancer
The sun isn�t as bad as it�s marketed to be, however. Corporations are concerned
with profit, not people, and telling us that sun exposure can actually protect against
cancer isn�t going to get us to buy sunscreen. Yet several studies have made this connection,
confirming that the appropriate amount of sun exposure can actually protect us against
skin cancer.
As many of you probably already know, humans require sunlight exposure for vitamin D. Sunburns
are indeed a concern, and there are many studies that link sunburns to melanoma, but due to
a wide range of factors, such as cultural changes and marketing campaigns, our skin
has become less resistant to sun exposure. If you spend a large portion of your time
in the sun, your skin adapts to build a natural immunity. We are naturally built to receive
sunlight, and we have gone backwards in this regard. There are alternative ways to protect
yourself from sunburns. You can buy natural sunscreens without harmful chemicals. Questioning
big name advertisements is crucial to our health in these times of information awareness.
Only 10% of all cancer cases are attributed to all forms of radiation, and UV is a very
small part of that. When we think of skin cancer we automatically want to blame the
sun, but what about other causes of skin cancer that are out there? Arsenic, found in a number
of things we ingest or work around, pesticides, and leather preservatives are all causes for
concern.
Sunscreens are a huge contributor to toxins in the body, being absorbed within seconds
of application. Is it not important to know what you are putting into your body? We now
live in a culture where we fear the sun, which is ironic considering it has created all life
on Earth. It�s important to remember that fear eventually manifests as reality. The
sun has many health benefits, so using natural products will ensure that you receive these
benefits while keeping your skin safe.
Healthier Alternatives
When shopping for sunscreens, be sure to read the labels and avoid buying sunscreens containing
toxic chemicals. They may be tough to find, but a trip to a natural health store can often
do the trick. Look for sunscreens that contain zinc and titanium minerals as opposed to the
active ingredients listed above. Remember, the best sun protection is shade and clothing.
It is not necessary to wear sunscreen every time you are out in the sun. Sunscreen does
NOT allow the body to absorb any vitamin D from sunlight. So if you plan on being outside
for a short period of time, skip the sunscreen and feed your body the vitamin D that will
keep it healthy.
Coconut oil has been shown to provide an SPF of about 8 when it comes to sun protection.
This means that, although it�s protection isn�t very high, it can help. If you were
to apply it often, it would not only offer sun protection, but it would also hydrate
the skin, making it less susceptible to burning. You may also want to try combining natural
sunscreens with coconut oil for protection. To do this, at the beginning of your long
day out in the sun, use natural sunscreen, and after a few hours, try applying coconut
oil to supplement the natural sunscreen and hydrate the skin.
Have you tried using coconut oil as sunscreen before? Or do you use other natural products?
Share your results with the community!
Here�s a short, informative video with some more information and additional option
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