derma roller
A derma roller is a small, hand-held device that is used to exfoliate the skin. It has a cylindrical head with very small needles that are used to prick the surface of the skin. This stimulates collagen production and helps to smooth out the appearance of fine lines and wrinkles. Derma rollers can be used on the face, neck, and other parts of the body. There are a few things to keep in mind when using a derma roller. First, be sure to sterilize the device before each use.
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