Is there a guide with which level and how many flashes we should use on the different skin conditions?

If your skin is not sensitive to Flash after trial, you can use level 5, 10 flashes once for normal skin problems. If it is serious skin problems, you can flash more to make it more effective. You may want to use the stickers to protect the other part of the skin. The stickers are shipped in the same packing.

How to Use Flash for Different Skin Conditions

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