1. Check patient's treatment records and ask patient's contraindications.
2. There are six SKIN TYPES. Patients with SKIN TYPEⅠand Ⅱ can usually accept treatment, and the energy can be adjusted within a large scope; for SKIN TYPE Ⅳ, pigmentation is easy to appear, thus low energy is needed; while the machine shall be operated much more carefully on patients with SKIN TYPEⅤand Ⅵ.
3. Tell patients about side effects, safety precautions and skin care.
4. Check whether the machine can work well.
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