Ever since Clarisonic launched its cleansing brushes and was thereafter purchased by L'Oreal, people—as in brands, manufacturers and consumers—have been paying attention to the at-home skincare device category. Beyond the cleansing brush, there are now at-home rejuvenating IPLs (Intense Pulsated Lights); at-home anti-acne devices; at-home hair-removal lasers; and more. How large is this category? And who are the players? Are these devices a fad or a trend?