There's a slight difference in the number of LEDs
The more expensive it is, the more LEDs there are
It's not directly proportional to the price
There are differences between the types of light sources, red, blue, and invisible LEDs
But that doesn't mean that it's effective
I'm using Neutrogena for about 50,000 won, but there's no difference even if I look at the reviews, and it's most effective to use it consistently, so I'm using it consistently
I think my skin tone got brighter
I think my skin trouble has decreased
I was looking forward to improving elasticity, but I'm not sure about this
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