Radiofrequency (RF) devices

Radiofrequency devices gently heat the deeper layers of skin to support firmness. In-office RF is well studied; home devices run at much lower energy, and a smaller number of home-use trials exist.

Lifestyle scene: a white handheld facial device with a round metal head on a stone tray next to a jar of gel and eucalyptus
Illustrative image
Comparisons

LED vs Microcurrent vs RF vs EMS vs Ultrasound

A plain-English comparison of the five main at-home beauty device technologies: how each works, what it can realistically do, the strength of the evidence, and safety.

Updated October 7, 2026 · 12 min read
Learn

FDA Cleared vs Listed vs Class I

What “FDA-approved,” “FDA-cleared,” “FDA-registered” and “Class I” mean on beauty devices, the product codes you’ll see, and how to check any device in FDA’s databases yourself.

Updated October 7, 2026 · 9 min read
Best Of

Best K-Beauty Devices

The Korean beauty devices sold to US shoppers compared: Medicube Booster Pro X2, Mini Booster Pro and Ultra Tune, plus ultrasound handhelds from Quadthera, THOME and glow.m.

Updated October 7, 2026 · 11 min read
Learn

Gels and Serums for Facial Devices

What to put on your skin with LED masks, microcurrent, ultrasound, RF and Medicube devices, with real product examples, prices and what to avoid.

Updated October 7, 2026 · 8 min read
Best Of

Best At-Home Anti-Aging Device Overall

A cross-technology roundup of the best at-home anti-aging devices, from FDA-cleared LED masks to microcurrent, RF, ultrasound and Medicube, ranked by evidence, FDA status and price.

Updated October 7, 2026 · 10 min read