Skin Science

Buying guide Comparison Led face mask Price

Why LED Masks Cost $60 or $500, and What the Difference Buys

LED face masks range from $60 to over $500 for devices that look nearly identical. Here is what actually drives the price and which parts of it are worth paying for.
Buying guide Led face mask Red light therapy Wavelengths

Red, Blue, Amber, Near-Infrared: Which LED Wavelength Do You Actually Need?

LED masks come in one wavelength or four, and the colours are not interchangeable. Here is what each one is used for and how to work out which you need.
Buying guide Irradiance Led face mask Specs

What mW/cm2 Means, and Why the Number on the Box Is Not the Whole Story

Irradiance is the spec LED mask brands love to quote and never explain. Here is what it measures, why the number moves, and what to ask before you compare two masks.
510(k) Buying guide Fda cleared Led face mask

FDA Cleared, FDA Registered, FDA Approved: What Those Words Actually Mean on an LED Mask

FDA cleared, FDA registered, and FDA approved mean three different things, and only one of them means anything. Here is how to tell them apart and look up any mask yourself.