Beware of Blue Light!
One of the main important things that the pandemic has taught us is that taking time away from screens is always beneficial. Besides straining our eyes, it’s been widely proven that our phones and other sources of screens are bad for our skin. The blue light they generate can infiltrate the various layers of our skin and wear down collagen and elastin, speeding up the ageing and swelling of skin cells.
Blue Light— What Is It And How It Affects Our Skin
You undoubtedly already know the need for sunscreen if you’re concerned about keeping your skin healthy as you age. Protecting our skin from environmental aggressors is extremely important. You’re also likely aware of the differences between UVA and UVB radiation. However, blue light and its effects on the skin may be less well-known.
So, What Exactly is Blue Light?
UV, visible, and infrared light are all types of light produced by the sun. Visible light makes up half of the solar spectrum. UV and infrared rays make up the other half. High Energy Visible Light, or HEV Light, is the visible spectrum’s blue/violet band.
Wavelengths are the units of measurement for light. UVA comprises wavelengths ranging from 320 to 400 nanometers. UVB wavelengths range from 280 to 320 nanometers. Blue light has wavelengths ranging from 380 to 500 nm. The depth to which each wavelength can infiltrate skin is determined by these wavelength measurements. The epidermis, or top layer of skin, absorbs UVB rays, which have a smaller wavelength. These rays cause sunburn as well as certain types of skin cancer. The dermis, or the middle layer of skin, absorbs UVA radiation. UVA radiation unnaturally age your skin, causing age spots, and the development of various cancers. The hypodermis, or the deepest layer of skin, is known to be penetrated by blue light, which has the longest wavelength.
Blue Light- Why Is It Problematic?
Blue light has been demonstrated in experiments to cause oxidative stress in live skin, posing a risk of skin damage via free radical production. Blue light can travel all the way to our epidermis, where collagen and elastin reside, causing our skin to lose firmness and noticeable wrinkles to form.
One other way that blue light may age our skin is through pigmentation. In comparison to UV radiation, visible light appears to be more aggressive in generating pigmentation, according to various studies. Because blue light influences the level of melatonin, our sleep hormone, it also jeopardises our beauty sleep by disturbing our normal circadian cycle.
Have You Wondered How Your Smart Phone Affects Your Skin?
The sun isn’t the only source of blue light. It’s also produced by electronic gadgets like laptops, smartphones, and tablets, making it even more impactful on skin appearance and health. Consider how much time you spend each day in front of a computer or on your phone. Isn’t it hours and hours? These electronic devices generate blue light all of the time, hastening photodamage. Thus, indoors or outside, your skin is constantly exposed to blue light and might well be damaged by it.
So, what can we do to combat this prevalent evil? Here are four easy methods to deal with it right now.
When At Home, Sunscreen Is A Must
While many people now use sunscreen to safeguard their skin outside, interior use of sunscreen, which can help protect against blue light, is less common. We suggest zinc oxide-based sunscreens because they serve as a barrier by lying on the skin’s surface and preventing and absorbing harmful radiation. Chemical SPF formulae don’t do much to protect skin from the visible light spectrum, however, physical SPFs can. If you still want to go for chemical sunscreens, look for ones that contain blue light-neutralizing components.
Make Antioxidants Your Buddies
Blue light causes oxidative stress in the skin, which must be combated using topical antioxidants since sunscreen alone does not suffice. Vitamin C, Ferulic acid, and Phloretin are all useful components to include in your skincare routine to combat free radicals and pigmentation. Those with duskier complexion can also consider using Tranexamic acid to help prevent pigmentation.
Coverage + Protection — Use BB creams
Products that include light-reflecting colouration, such as BB cream, which have the ability to diminish the effects of blue light by 80%, can assist function as a shield for the skin against blue light in the very same manner that physical sunscreens can. Consider it a skincare steal- radiant skin plus blue light protection both in one single product.
Make Your Skin Barrier Stronger
Taking care of your skin barrier should be your main goal if you want to fight blue light. Most of us are prone to going overboard with active chemicals and multi-step skincare regimes, but minimalism can benefit our skin barrier. Look for components like niacinamide, which helps skin cells recuperate from oxidative stress while also improving the skin’s barrier. Ceramides and hyaluronic acid are all wonderful barrier-boosting components that are gentle on the skin.
The above-mentioned steps can help you fight blue light and preserve your skin from premature ageing. Healthy skin is a result of consistent effort!
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