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Hello and welcome to the show. Today, we're diving into one of the hottest topics in beauty: blue light skincare. With our screen time increasing, especially since the pandemic, the cosmetics industry has seen a surge in products claiming to protect our skin from the 'digital ageing' caused by phones and laptops . But what exactly is blue light? It's a high-energy visible light, or HEV, that's part of the visible light spectrum . While our devices do emit it, the sun is actually our greatest source of exposure . The debate is fierce. Some research suggests blue light penetrates skin deeper than UV rays, potentially causing oxidative stress, collagen breakdown, and worsening hyperpigmentation like melasma . However, other studies, including one by major research centre Beiersdorf, argue that the blue light from our devices is negligible and nowhere near enough to cause harm . So, is blue light skincare a necessary shield in our digital age, or just clever marketing? Today, we'll unpack
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