Mar
What are LED Light Therapy and how do they work?
Nowadays cosmetic brands look towards LED-technology, which restore the skin due to exposure to light. This technology was developed by NASA and has been used for medical purposes for more than 40 years, so it managed to go through a large number of clinical trials and prove its effectiveness.
How does it work?
LED light therapy is a painless, relaxing, non-invasive skin-care treatment that has multiple benefits such as:
-Help to Activated the collagen.
-Promote skin collagen growth, make the skin more translucent and white.
-Tighten pores, making the skin firmer, improve skin brightness, more smooth and elastic.
-Accelerate Detoxification.
-Effectively accelerate skin metabolism rate, promote the excretion of toxins of skin.
-Oxygen Increase.
-Promote skin permeability, increase oxygen to lock skin moisture.
-Repair Skin.
-Promote blood circulation, lighten freckles and red bloodshot.
LED treatments work by using an array of bright light-emitting diodes that send low-level light energy into the deeper layers of the skin. Red light LED stimulates cellular activity, including the fibroblasts that produce collagen, which gives young skin its plump look. That helps minimize fine lines and wrinkles, treat sun-damage and stretch marks, and reduce redness after more aggressive IPL or laser treatments. The results won’t be as dramatic as plastic surgery, IPL, or laser, but it’s a gentler, more natural, less expensive way to go.
The sun was the idea to use light therapy in facial care – the effect of sunlight on skin condition has been known for a while. Even in the beginning, it was a few attempts to treat the skin with artificial ultraviolet light, which was not crowned with success. Later, when it turned out that ultraviolet not only does not cure, but also leads to photo-aging and various diseases, they refused to practice exposure to the skin with ultraviolet, but research on this topic did not stop. And after a while, it became clear that not all the sun’s rays, but only waves of a certain length, affect the skin favorably. That is why in cosmetic LED-devices, unlike the sun, you will not find the spectrum of rays that could have a negative impact.
To create artificial rays scientists used chemical compounds, which under the influence of current intensity, emit light waves of a certain length and certain color, imitating the sun’s rays. In cosmetology, blue, red, green, and orange are most commonly used, each of which penetrates to different depths of the upper layers of the skin and solves different problems.
LED therapy with red light:
Red light in light therapy is used for anti-aging care. It has a wavelength of 633–830 nanometers and penetrates the skin’s layers to a depth of 4–5 mm. This wavelength allows light to penetrate the layers of the dermis, where fibroblasts are located, which are responsible for the production of collagen and elastin. In addition, red light improves blood circulation, thereby saturating the cells with oxygen and nutrients.
What to expect from LED-therapy with red light?
Stimulation of collagen production and photo-rejuvenation by improving cellular metabolism. Moreover, according to research, these processes continue for another 21 days after exposure to the skin with red light. Reduction of wrinkles and increasing skin elasticity. The issue of reducing wrinkles due to red light has been studied very carefully, and numerous studies have shown that with regular use of light therapy, the depth of wrinkles is significantly reduced, and the skin becomes more elastic. Some studies have shown very good results, as a result of which wrinkles were reduced to 36%, and skin elasticity increased to 19%. Accelerated synthesis of DNA and RNA, which leads to cell regeneration of skin cells with oxygen and nutritional ingredients due to improved blood circulation, reduction of inflammation, black spots and fight with rashes.
Red light LED therapy should be done at least once a week, but the more often the procedure, the better.
LED therapy with blue light:
Blue light therapy is aimed at treating acne and comedones, as it fights with one of the most common causes of rashes – the bacteria propionibacterium acne (it lives in blocked pores and feeds on sebum fatty acids).
Blue light emits short wavelengths (400 – 510 nanometers) and in the spectrum of the waves is located next to ultraviolet, which gives it the same antibacterial properties, but does not put the skin at additional risk. It penetrates only into the uppermost layers of the skin (1 mm), but this is enough to saturate the skin with oxygen, which causes propionibacterium acne to die. Such therapy showed especially good results on the skin of people with mild and moderate acne – after a week of daily therapy, the number of black spots may decrease by 41.5%, and rashes – up to 30.4%. Blue light is less effective in treating cystic acne and acne, but with a large number of procedures it will also be useful.
Also, LED-lamps with blue light help to prevent the appearance of rashes, so in the care it will be useful to almost everyone.
LED therapy with green light:
The green light of LED lamps helps in the fight against pigmentation and premature aging of the skin, and has a wavelength of 515-520 nanometers. Compared to red and blue light, green lamps are not so researched, but now there is evidence that they can lighten freckles and blemishes caused by prolonged exposure to the sun, remove redness and even out skin tone.
Orange LED Therapy:
Orange (with a wavelength of 590-610 nanometers) light is known for eliminating redness, irritation and generally calms the skin. It also improves lymphatic drainage and removes toxins from the skin.
What is necessary and what should not be done during LED-therapy?
There are no restrictions for carrying out LED-therapy, but it must be remembered that all cosmetics that being applied before the procedure under the influence of light can get into the deeper layers of the skin. Therefore, be sure to clean your face and before using the LED-device do not apply funds with retinol and AHA / BHA-acids.
In advance, it will be useful to make light peeling or mesotherapy – so are the rays, and the useful components from the care cosmetics applied before the procedure will get deeper. For care, it is better to use oil-free products, selecting them according to the type and needs of the skin.
LED devices for home use
Previously, LED therapy procedures could only be done in salons, but now many brands offer LED devices for home use. They are not as powerful as salon care, but their advantage is that home devices can be used at least every day, and the cost is much lower compared to the procedures in salons. Yes, these home devices are not cheap either, but it will be the best investment in yourself and in your skin.
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