Side Effects There isn't any documented Unwanted effects of device eyebrow shading. While the procedure is corresponding to having a standard tattoo, the needle won't penetrate the skin as deeply. As being a semi-permanent therapy, it can fade over time. The next session requires about 30 minutes to 1 hour. https://finntizoe.blogsmine.com/30028841/5-simple-techniques-for-orange-county-eyebrow-tattoos