How many stitches does it take to get whitening needles in Hangzhou? Who knows?
How many times should whitening needles be used to achieve the ideal whitening effect depends on the specific situation. The real whitening needle with one needle and two needles is ineffective, and it usually takes half a course of treatment to be effective. The whitening effect can't last forever, it can only last 1-2 years. After that, you can maintain the whitening effect by taking vitamin C and rubbing whitening skin care products.