1. If the patient skin is black or dark color,please use it with low or middle power. No max. power, because the dark color could absorb the laser energy completely. And it`s not the discrimination.
2. When the patient is bleeding , please DON`T use it, if it`s no bleeding, and begin to heal, then you can use . Because the laser function is accelerate the blood circulation. and repaire the damaged tissue and cells.
3. Each treament time is 15mints to 20mins, one day 2 or 3 times. Generally speaking ,for the sprain only one time treatment, people would feeling better
4.About the setting: For the white skin , start from the middle or max. power is accpetable, but you shall shave the hair in advance . For the yellow skin, start from the middle power.