LED, RF, microcurrent, AI scanning, home lasers. What the wavelengths and watts actually do — and what's marketing.
Red, near-infrared, blue. Home masks vs the clinic.
Wavelengths, doses, and comparing devices honestly.
Lift claims vs muscle-tone reality.
At-home radiofrequency for collagen support.
Skin-scan apps and counter tools — what they see, what they miss.
Fractional, IPL, hair-removal. Safety and buyer mistakes.