Blue Light

What is blue light?

We spend more time on screens than ever before. So managing blue light exposure is one of the most important steps you can take for your digital wellbeing.

But what exactly is blue light, and what does it do?

Blue light, like many things in their natural form, is actually a good thing! Blue light is emitted from almost every light-generating source, the largest being the sun.

There is a spectrum of wavelengths that make up “white light”, and these wavelengths have a lot to do with how we perceive colour. Not all colours of light have the same effect. Some are invisible, like infra-red, and some are harmful, like UVA and UVB. Blue light teeters on the edge of UV into the healthy visible spectrum.

What's great about it?

Blue light naturally boosts attention, supports your memory, increases your reaction times, and lifts your mood. It also serves to help your body create its natural circadian rhythm, and aids your natural production of melatonin - the hormone that tells your mind and body when it’s time to sleep and wake up.

So, where did it all go wrong?

Too much blue light can reduce your restful, restorative sleep – and this can cause all kinds of health implications. The constant stimulation makes it harder to fall asleep, harder to quieten your brain and basically messes with your sleep patterns. Over time, lack of sleep has an impact on your adrenal, nervous, and immune systems – and it’s been linked to many major issues like weight gain, obesity, diabetes, and heart disease.

If you find you often wake up through the night, or just wake up feeling tired, this constant feeling of being depleted could be overexposure to blue light. If you really think about how many hours a day you spend in front of a screen, it makes sense.

Like its cousins UVA and UVB, blue light has been known for causing oxidative stress – linked to premature ageing. While a day in front of a screen isn’t as bad as a day out in the sun, research suggests that spending five working days in front of a computer has the same impact as 25 minutes in the midday sun without any protection. And most of us wouldn’t think about exposing our skin to those conditions without some protection.

What can you do?

Be aware of the time you spend in front of a screen, so you can take action to mitigate the effects of blue light. Since screen time is pretty unavoidable in this increasingly digital world, Baxter Blue can help lessen the impact of blue light on our eyes, sleep and skin.

During the day, our expansive collection of Blue+ ™ blue-light glasses filter as much as 80% of the highest energy wavelengths to alleviate digital eye strain and eliminate glare. This enhances your digital viewing, and supports the health and wellbeing of your greatest assets – your eyes, your mind, and your body.

After dark, our amber Blue+™ Sleep lenses have been specifically developed to filter out the 450-500nm blue-light wavelengths that impact the release of melatonin – so you can sleep easier.

You can also start using a ‘sunscreen’ for screen time to protect your skin. Wrinkles and hyperpigmentation are the most visible consequences of excessive blue light exposure to the skin. The skin becomes stressed and inflamed, producing free radicals which damage its DNA through oxidisation, weakening collagen and elastin. Our Blue light mist gives your skin an instant boost of care and hydration, and its key ingredient BlueShield® ingredient is clinically proven to shield the skin against blue light damage. A simple spritz can help save your skin.

By bringing digital wellbeing into your daily self-care routine, you’re taking control of your digital exposure – and can feel great and live well.


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