... Massager 2. Handy-alike movement 3. Thoroughly clean scalp SH-2793A Electric Scalp Cleaner, Head Massager Worldwide Patented Item. The Best ... chemicals or some hair medications, it is better to massage on scalp for better absorption. But some medication is acid, to ... 20 - 40 minutes of usage3) 2 applicators included: cleaning brush, massaging head4) 2 hour fast charging5) Universal charger, fit for ...