I believe the reviews here do not reflect my experience. I've been using both the face mask and the neck mask, and I've definitely noticed improvements in both areas. The red light is at 633nm, which is the lowest wavelength available, making this product very affordable. Most other masks operate around 350-400nm but include wavelengths from 633-660nm and also have NIR capabilities for deeper penetration. These are genuine red lights, not just LEDs. I plan to keep using this until I feel my skin has reached its potential and then consider stronger, pricier options. Don’t let the reviews discourage you if you've already purchased this mask.
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