Rootique. A new way to apply hair serums, minoxidil, or other liquid scalp lotions? The Rootique scalp applicator is specially designed to apply topical hair treatments to the hair roots in a targeted and mess-free manner. Maximum absorption: Up to 3.5 times more absorption through atomization. Thanks to the smart, hair-separating attachment, no valuable product is lost in your hair. The active ingredients in the right amount within 15 seconds.