By Rachael Link
Coconut oil is a type of fat that has been touted for its health-promoting properties.
In fact, several studies have even found it might have benefits for skin health as well.
This article looks at the evidence to examine whether coconut oil is good for skin.
What Is Coconut Oil?
Coconut oil is a highly saturated oil that is traditionally made by extracting the oil from raw coconuts or dried coconut kernels (3).
At room temperature it's solid, but when heated it can soften or even melt.
Coconut oil is rich in medium-chain fatty acids, which are a form of saturated fat. In fact, these medium-chain fatty acids make up about 65 percent of its total composition (4).
The medium-chain fatty acids found in coconut oil include (4):
- Lauric acid: 49 percent
- Myristic acid: 18 percent
- Caprylic acid: 8 percent
- Palmitic acid: 8 percent
- Capric acid: 7 percent
- Oleic acid: 6 percent
- Linoleic acid: 2 percent
- Stearic acid: 2 percent
Although coconut oil is about 90 percent saturated fat, it does contain small amounts of mono and polyunsaturated fats as well. One tablespoon contains about 12 grams of saturated fat and 1 gram of unsaturated fat (5).
Summary: Coconut oil is used in cooking but can also be applied to the skin or hair. It's rich in saturated fat and medium-chain fatty acids, especially lauric acid.
It Can Kill Harmful Microorganisms
The medium-chain fatty acids in coconut oil contain antimicrobial properties that can help protect against harmful microorganisms.
This is especially important for skin health, as many types of skin infections, including acne, cellulitis, folliculitis and athlete's foot, are caused by bacteria or fungi (6).
Applying coconut oil directly to the skin may prevent the growth of these microorganisms.
This is due to its lauric acid content, which makes up nearly 50 percent of the fatty acids in coconut oil and can fight harmful microorganisms.
One study tested the antibacterial properties of 30 types of fatty acids against 20 different strains of bacteria. Lauric acid was found to be the most effective at blocking the growth of bacteria (7).
Another test-tube study showed that lauric acid can kill off Propionibacterium acnes, a type of bacteria that leads to the development of inflammatory acne (8).
Furthermore, capric acid is another medium-chain fatty acid found in coconut oil, although to a lesser extent. Like lauric acid, capric acid has been shown to have potent antimicrobial properties.
A test-tube study showed that both lauric and capric acid effectively killed off strains of bacteria (9).
Another test-tube study demonstrated the anti-fungal effects of capric acid, showing that it was able to inhibit the growth of certain types of fungi (10).
Summary: The fatty acids found in coconut oil have antimicrobial properties that effectively kill bacteria and fungi.
Coconut Oil Could Reduce Inflammation
Chronic inflammation is a major component of many different types of skin disorders, including psoriasis, contact dermatitis and eczema (11).
Interestingly, coconut oil has been shown to have anti-inflammatory properties.
In one study, researchers applied virgin coconut oil to the inflamed ears of rats. Not only was coconut oil found to have an anti-inflammatory effect, but it relieved pain as well (12).
What's more, coconut oil may ease inflammation by improving antioxidant status.
A 2013 animal study fed rats different types of oil, including coconut oil, olive oil and sunflower oil. At the end of the 45-day study, virgin coconut oil had improved antioxidant status and prevented oxidative stress to the greatest extent (14).
It's important to keep in mind that most current research is limited to animal and test-tube studies, so it's hard to know how these results may translate to humans.
However, based on these studies, coconut oil shows great potential in its ability to reduce inflammation when consumed or applied to the skin.
Summary: Animal studies have shown that coconut oil may relieve inflammation by improving antioxidant status and decreasing oxidative stress.
Coconut Oil May Help Treat Acne
While some think coconut oil clogs pores, considerable research shows it might actually help treat acne.
Acne is an inflammatory condition and many of the medications used to treat it work by targeting and reducing inflammation (15).
Because coconut oil and its components may help reduce inflammation in the body, it may also aid in the treatment of acne.
Furthermore, the antibacterial properties of the medium-chain fatty acids in coconut oil could also help reduce acne.
In fact, test-tube and animal studies have shown that lauric acid is more effective than benzoyl peroxide at preventing the growth of acne-causing bacteria (16).
Along with lauric acid, capric acid has been shown to have anti-inflammatory and antibacterial properties.
A 2014 animal and test-tube study showed that both lauric and capric acid were successful in reducing inflammation and killing off bacteria to prevent acne (17).
To get the best results, coconut oil should be applied directly to the skin in areas where acne is found.
Summary: The anti-inflammatory and antibacterial properties of coconut oil and its components could help treat acne.
Coconut Oil Can Moisturize Dry Skin
In addition to its effects on acne and inflammation, applying coconut oil to your skin can also help keep it hydrated.
One study compared the effects of coconut oil to mineral oil, a type of oil made from petroleum that's often used to treat dry skin, on patients with mild to moderately dry skin.
The two-week study found that coconut oil significantly improved skin hydration and was just as effective as mineral oil (18).
It has also been shown to help treat eczema, a skin condition characterized by scaly, itchy rashes.
A study comparing the effects of olive oil and coconut oil in 52 adults with eczema found that applying coconut oil helped reduce dryness, in addition to helping treat eczema (19).
Another study found similar results, showing that coconut oil led to a 68 percent decrease in eczema severity, making it significantly more effective than mineral oil in the treatment of eczema (20).
Summary: Coconut oil can be an effective moisturizer and aid in the treatment of dry skin and eczema.
Coconut Oil May Help With Wound Healing
Several studies have demonstrated that coconut oil may also aid wound healing.
One animal study looked at how coconut oil applied to the skin affected wound healing in rats.
Another animal study showed that coconut oil combined with an antibiotic applied to the skin was effective at healing burn wounds (25).
In addition to improving wound healing, its antimicrobial properties may also prevent infection, one of the major risk factors that can complicate the healing process (26).
Summary: Animal studies have shown that coconut oil may help accelerate wound healing.
Who Shouldn't Use Coconut Oil?
While research shows coconut oil can benefit skin health, applying it to the skin may not be ideal for everyone.
For example, those who have oily skin may want to avoid doing so, as it may block pores and cause blackheads.
As with most things, trial and error may be the best approach to determine if coconut oil works for you.
Additionally, if you have sensitive skin, use a small amount or try applying it only to a small section of skin to make sure it doesn't cause irritation or blocked pores.
Yet, eating and cooking with coconut oil is generally not a problem for most people.
That said, if you have oily or highly sensitive skin, consider adding coconut oil to your diet instead to take advantage of its benefits.
Summary: Coconut oil could potentially clog pores. Using a small amount and slowing testing your tolerance to it is recommended for those with oily or sensitive skin.
Which Type of Coconut Oil is Best?
Coconut oil can be produced through dry or wet processing.
Dry processing involves drying coconut meat to create kernels, pressing them to extract the oil, then bleaching and deodorizing them.
This process forms refined coconut oil, which has a more neutral scent and higher smoke point (27).
In wet processing, coconut oil is obtained from raw coconut meat — instead of dried — to create virgin coconut oil. This helps retain the coconut scent and results in a lower smoke point (27).
While refined coconut oil may be better suited for cooking at high temperatures, virgin coconut oil is a better choice in terms of skin health.
Not only does most of the existing research focus specifically on the effects of virgin coconut oil, but there's also evidence that it may have added health benefits.
A 2009 animal study found that virgin coconut oil improved antioxidant status and increased ability to neutralize disease-causing free radicals, compared to refined coconut oil (28).
Another test-tube study showed that virgin coconut oil had a greater amount of inflammation-reducing antioxidants and phenols, as well as an improved ability to fight free radicals, compared to refined coconut oil (27).
The results of these two studies indicate that virgin coconut oil may be more effective than refined coconut oil at preventing oxidation and neutralizing free radicals, which can damage cells and lead to inflammation and disease.
Summary: Virgin coconut oil may be a better choice than refined coconut oil, given that it provides added health benefits like improved antioxidant status.
The Bottom Line
Although the health benefits of eating coconut oil are well-studied, research on its effects on the skin is mostly limited to animal or test-tube studies.
However, coconut oil may be linked to some potential benefits for skin, including reducing inflammation, keeping skin moisturized and helping heal wounds.
The medium-chain fatty acids found in coconut oil also possess antimicrobial properties that can help treat acne and protect the skin from harmful bacteria.
If you have oily or highly sensitive skin, make sure to start slowly to assess your tolerance and consult with a dermatologist if you have any concerns.
Reposted with permission from our media associate Authority Nutrition.
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EcoWatch Daily Newsletter
Jean-Marc Neveu and Olivier Civil never expected to find themselves battling against disposable mask pollution.
When they founded their recycling start-up Plaxtil in 2017, it was textile waste they set their sights on. The project developed a process that turned fabrics into a new recyclable material they describe as "ecological plastic."
Mounting Piles of Waste<p>It is not only the streets of Chatellerault where pandemic pollution is piling-up, but also the world's beaches and oceans. Once there, they can take up to 450 years to degrade and disappear.</p><p>Esther Röling, co-organizer of the annual Adventure Clean Up Challenge held on Hong Kong Island, has seen this waste firsthand. In October the sports challenge pitted teams against one another in a competition to remove trash from 13 hard-to-reach coastal areas around the city.</p><p>They find tons of both disposable and reusable masks, said Röling. "You wonder how it ended up there. Was it just thrown on the ground? Or was it in a garbage bag that broke open?"</p><p>Almost 10,000 kilometers away in Antibes on the sunny French Riviera, it's a similar picture. For the past few months, divers and clean-up volunteers working with an ocean clean-up non-profit called Operation Mer Propre have been collecting an increasing number of masks found on land and in the sea.</p><p>"Since the beginning of the lockdown when we started to count, we've reached 800, 900, [and now in total] 1000 masks," said co-founder Joko Peltier. </p><p>According to <a href="https://unctad.org/news/growing-plastic-pollution-wake-covid-19-how-trade-policy-can-help" target="_blank">UN estimates</a>, up to 75% of all coronavirus-related plastic could end up as waste in oceans and landfills.</p>
The Limits of Recycling<p>Yet not all are convinced the recycling of this waste is possible on a global scale. </p><p>"What those citizen groups are doing is really beneficial but once they collect it, it should just go to a landfill or an incinerator. They shouldn't necessarily expect it to get recycled," said Jonathan Krones, an industrial ecologist and visiting assistant professor of environmental studies at Boston College.</p><p>That's because mask recycling programs like Plaxtil are few and far between and most don't have the benefit of a readily adaptable production process. </p><p>Even in countries with solid recycling infrastructure, he says, the system is designed to separate out specific types of waste like bottles or cardboard.</p><p>"I imagine that it would be technically feasible to develop a separation process to filter out masks, but there simply aren't enough of them to make that economical," he said.</p><p>Collection is a big hurdle, he adds. Since each mask only weighs a fraction of a gram and they're scattered on roads or mixed with other trash, it is difficult and costly. </p><p>"You need a lot of raw material of the right quality to make investing in the recycling technology and the recycling system worthwhile," he said.<span></span><br></p>
Hemp, Sugar Cane and Sustainable Alternatives<p>Some projects are instead addressing the material used to make masks.</p><p>French company Geochanvre have created a mask made primarily from hemp, while in Australia, researchers at the Queensland University of Technology are experimenting with a disposable product made from agricultural waste. </p><p>Biodegradable options are exciting alternatives to reduce the fossil fuels needed for the creation of plastic-based masks, said Krones, but they don't absolve the wearer from the responsibility of what happens afterwards. </p><p>Bio-based masks often need their own composing solutions, he explains, because in landfill they can produce high amounts of the greenhouse gas methane when anaerobic bacteria feeds on the organic material. Methane is known to be significantly more potent than carbon dioxide.</p><p>"I think as long as we have in our mind that we want to have disposability, we're going to have to wrestle with a variety of different sorts of environmental tradeoffs," he said, adding that reusable, fabric masks are the best option available to most people.</p><p>Precimask is developing a clear face covering with an optional visor made from hard plastic, designed to be long-lasting.<br></p><p>Air enters either side of the cheeks through a technology normally found in pool filters and car exhaust systems, said company spokeswoman Juliette Chambet.</p><p>"We wanted to make ceramic-based filters that would be washable and cleanable, which would allow them to be reused as many times as desired without having to buy a new consumable or produce waste," she said. </p><p>Ultimately, encouraging mask wearers to think about the entire lifecycle of a mask is key, explains Neveu. </p><p>"We want people who put on the masks to realize that they are also responsible for the waste, he said. "It's not inevitable that this [pandemic] will become an environmental catastrophe.</p><p><em>Reposted with permission from </em><em><a href="https://www.dw.com/en/covid-19-recycling-pollution-trash-pandemic/a-55707817" target="_blank">Deutsche Welle</a>.</em><a href="https://www.ecowatch.com/r/entryeditor/2649032193#/" target="_self"></a></p>
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