1.before usage, must clean and sterilize the spot remover and the surface.

2.after every usage, remove the power supply, and the spot remover for cleaning and sterilizing.

3.when using, do not stab in, and only for recommended duration to aviburns on the dermis.

4.If spor are not to remover during one usage, do not use again until the scab falls off.

5.removing on more than 5 spots is recommended in one usage.

6.after the usage, it is recommended the client not to wet the operated surface within 22 hours. do not eat ginger and anything with dark color.

7.do not tear away the scab, must let it fall off to avoid infections and scars.

8.do not expose intensely under the sun in the month.