Note: The light energy of this product is very strong, please be sure to try it according to the following methods or follow the advice of your dermatologist

Adult hand and foot use: 0.2J/cm2 for the first time, irradiated every 1 day, increase by 0.1J/cm each time

For facial use, neck, limbs, and children's irradiation use: 0.1J/cm2 for the first time, and 0.05J/cm2 for every 1 day interval. Slight redness will occur 24 hours after irradiation. It is the best dose for treatment. In this case, there is no need to increase the time and maintain this dose.

It can be irradiated with ultraviolet light.