I used this once after purchasing it. My dog (a Chihuahua) doesn't like brushes, so I only brushed her once, haha. I've wiped it with alcohol and stored it at home. I think it's a great deal. Please take a look ✨ The following is quoted from the internet: ・Representative dog breeds (example): Chihuahua (Long coat), Papillon, Chin ・Special stainless steel teeth gently remove the undercoat without damaging the topcoat or skin. ・Gently and easily removes 90% of loose hair *Based on our research ・Easy removal of hair from the teeth with a single push ・Hair length: 5cm or more Reference weight: Approximately under 4.5kg ・The stainless steel blade for long-haired breeds reaches even the hidden undercoat of your dog, quickly and easily removing loose hair.