They claim to fix fine lines, blemishes and redness – but which stand up to scrutiny? We asked dermatologists and put them to the test to find out • The best anti-ageing creams, serums and treatments LED face masks are booming in popularity – despite being one of the most expensive at-home beaut...

Source: [Guardian Tech](https://www.theguardian.com/thefilter/2025/sep/19/best-led-red-light-therapy-face-masks)

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