This article is a part of CNN Underscored’s Guide to Age-Defying Beauty, a weeklong focus on the essential products, tips and tricks to enhance your glow at any age. We’ll be featuring editor-tested ...

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The cult-loved beauty tech brand now has gadgets for nearly every skin—and hair—goal. Every one of the brand’s LED devices is FDA-cleared and CE certified for at-home use. (CE certification is ...

At-home light-emitting diode (LED) devices using red and/or blue light significantly reduced acne lesions and showed a favorable safety profile in patients with mild to moderate acne vulgaris.