If you've ever thought about giving up your monthly in-office facial to buy a trendy at-home device (laser, pen or other such thing) you NEED to hear this before spending your money. Raechel Lowe, a licensed aesthetician, clinical educator and laser specialist, on the efficacy of at-home lasers, microneedling devices and hair removal tools, and what you absolutely need to do in order to operate these in a safe manner.