TikTok-famous Solawave is running a buy-one, get-one-free sale across much of its LED lineup, including the viral Solawave wand ($169). It’s a rare deal on a skin care brand we’ve tested extensively and recommended, particularly for targeted treatments and entry-level LED therapy. If you’ve been thinking about treating yourself, the free second device is great for gifting, or for keeping on hand when a loved one starts eyeing your LED mask. Best Red-Light Therapy Spot TreatmentThe Radiant Renewal Wand ranks as our favorite LED device for spot treatments. The soft silicone mask uses four wavelengths: amber, red, deep red, and near-infrared, targeting collagen production and visible signs of aging.