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All about blue light

Blue light

 

What’s all this about blue light?

Blue light is a part of the spectrum of visible light, and is a high-energy, shorter-wavelength light, not to be confused with UVA or UVB rays.

The main source of the blue light we're exposed to is the sun, according to the American Academy of Ophthalmology. However, we also get a significant dose from our screens — phones, tablets, computers - and indoor lighting.

Blue light isn't all bad: it plays a role in maintaining good health, as it regulates our body's circadian rhythm — our natural sleep-wake cycle, and elevates mood and helps memory and cognitive function.

But is blue light damaging your skin?

Indeed there is mounting evidence that blue light does contribute to photo-aging, including discoloration, inflammation, wrinkles, and skin laxity. Studies also suggest that exposure to blue light might stimulate the production of free radicals in skin, which can accelerate the appearance of aging.

What to do about it?

New remarkable Revivinol Serum includes the compound Lumicease Blue, which helps prepare the skin through an adaptive response to light and targets the defense against blue light, UV, and infra-red radiations from phones, tablets and computers, as well as pollutants in the air and other damaging environmental aggressors.

A decrease in appearance of brown spots by 11.7% as well as in the amount of UV spots by 14.1% was observed after 56 days of treatment using Lumicease. Wrinkle volume and average roughness also diminished 21.5% and 13.2% respectively.

Get protected from blue light with Revivinol Serum. Its product page is here.

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Chronobiology: Does skin have a circadian rhythm?

Best time of day to apply Reviv Serums

The skin goes through different phases in 24 hours. During the day, it defends itself against external aggressions like the wind, the sun, the cold, or pollution. At night, it regenerates.


It was evidenced that the highest number of cell divisions occurs between midnight and 1am, and the lowest between 12pm and 1pm. The skin's blood flow is at its maximum between 11pm and 4am, which makes it possible to provide nutrients and remove toxins. And it is between 7pm and 11pm that desquamation on the superficial stratum corneum is the most important.

In addition, the skin has receptors for melatonin which, on top of their role as circadian synchronizers, are excellent at trapping free radicals. In the late 1990s, researchers highlighted the existence of the "Clock" gene as a central regulator for monitoring the circadian clock.

According to Neil Astles, Marketing Manager for biofunctional actives at Ashland Specialty Ingredients, "more than 20% of the expression of a tissue's genes depends on circadian regulation".

"In Asia, it is said that the first three hours of sleep, called 'Golden Time', are the most important for the skin. In Korea, there is also an expression, meaning 'well-slept face', to refer to a beautiful face. It is conveyed by the face of a sleeping woman", explains Florence Bernardin, expert in Asian cosmetics trends and founder of the Information & Inspiration marketing intelligence firm.

Excerpts from...
http://www.sciencedaily.com/releases/2013/07/130723155002.htm

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