Quick answer
The best dog toothbrush for dogs under 20 lbs is the Burt’s Bees for Dogs Toothbrush with its ultra-soft bristles and angled head designed for small mouths. If your dog is extra sensitive, the Paws & Pals Dual-Headed Toothbrush offers two brush sizes in one. For a budget-friendly option, the Pet Republique Toothbrush Kit includes a finger brush for gentle cleaning.
What to consider for Dog Toothbrush For Dogs Under 20 Lbs
Small dogs have tiny mouths and delicate gums, so the toothbrush head must be small (under 1 inch) with extra-soft bristles to avoid irritation. A long, angled handle helps reach back teeth, while a non-slip grip gives you control. Look for a brush that is gentle on enamel and safe if your dog chews on it. Also consider whether your dog prefers a traditional brush or a finger brush for easier acceptance.
What to look for in a grooming product (shampoo, brush, clipper or wipe)
When choosing a grooming product for your small dog, match the tool to their coat type. For toothbrushes, ensure the bristles are soft and the head is small. For shampoos, look for dog-safe ingredients with a pH between 6.5 and 7.5 to protect sensitive skin. Clippers should have quiet motors and sharp blades to avoid pulling. Brushes should be gentle on the skin and effective at removing loose fur. Ease of use is key for nervous dogs.
How we chose these picks
- Evaluated bristle softness and head size for small mouths
- Checked handle design for ergonomic grip and reach
- Reviewed material safety (BPA-free, non-toxic)
- Considered customer feedback on durability and dog acceptance
- Prioritized products from reputable pet brands
- Compared price to value for budget-conscious owners
- Ensured each pick is widely available on Amazon
- Never ranked a product higher just because it pays a commission
What to avoid
- Human toothbrushes: bristles are too hard and can damage dog gums
- Harsh flavors like mint that may deter dogs
- Brushes with detachable heads that pose a choking hazard
- Using human toothpaste (contains xylitol, toxic to dogs)
For more grooming tips, see our dog guides and explore dog health and dog care products.