– Do essential oils work? This video is an unbiased, sales-free look at the most common uses and the science behind them.
(gently chiming bells) In the first video of the series, I looked at some common uses that don't have any good scientificevidence to back them.
This time I'm lookingat three claims that do.
Surprisingly, there'sbeen only two human trials on acne treatment with essential oils, namely tea tree oil.
The most recent studentincluded 60 patients with mild to moderateacne over a 45 day period.
Now half received a 5% tea tree oil gel while the other half, the control group, received a placebo gel withoutany active ingredients.
The 5% tea tree oil was effective in reducing both inflammatory, and non-inflammatory acne lesions, compared with the placebo gel.
Researchers speculate this is due to the reported anti-bacterial, and anti-inflammatoryproperties of tea tree oil.
An older study foundthat both 5% tea tree oil and 5% benzoylperoxide, which is conventional acne treatment, have significantly improvedacne symptoms in 124 patients, though tea tree oil wasslower to take effect.
So it's likely not a strongstand-alone acne treatment but tea tree oil might help in addition to regular acne medication.
Something to think about.
Alongside diet and exercise, quality sleep isessential for good health.
Now the weight of evidence suggests that lavender oil mayhelp with relaxation, and sleep quality.
Rodent studies have shownseveral essential oils, particularly lavender oil,have strong sedative effects.
It reduced mobility in mice about 22%, and the effects remained even if the mouse wasover-agitated with caffeine.
Multiple human trials havealso linked lavender oil to better sleep duration and quality, but it has to be inhaled,rather than applied to skin.
Two human studies have shown that the application of peppermint oil to the skin may effectivelyreduce headache symptoms.
The first study on 32 patients found that a 10% preparation providedsignificant pain relief, when sponged on the forehead and temples.
The second was more well-designed and studied four headacheattacks per person in a total of 41 patients.
A 10% peppermint oil wasshown to be just as effective as a 1,000 mg of panadol.
and significantly reducedreported headache intensity after 15 minutes.
The results are promising, and it seems like a largelyharmless alternative to aspirin or paracetamol.
So there you have it.
The strongest evidence available indicates that essentialoils can help with headaches, sleep quality, and probably facial acne to a noticeable extent.
Of course, this scientific perspective answers most questions,but it cannot account for every single oil nor every single use.
There is so muchthat has not yet been studied, but it's safe to say that health claims that venture past those thatI've mentioned in this video, such as treating Alzheimer's disease, or cancer, or some sort of metabolic illness are extremely exaggerated and unproven, and quite frankly, dangerous.
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