Wide-head kids' toothbrushes by age, 6 months+: Radius Kids Toothbrush
In short
Radius Kids Premium Toothbrushes are a line of age-specific children's toothbrushes from the oral-care brand Radius, covering babies from 6 months up to elementary school kids. The writer compared four models (Pure Baby, Tots Tots Pastel, Tots Plus and Big Kid Forever) and brushed with their child, finding that Radius toothbrushes cleaned more widely and thoroughly than a regular kids' toothbrush. For parents looking for a soft toothbrush matched to their child's age, Radius was a highly satisfying choice.

Good to know
- Pure Baby
- 6–18 months, about 6,000 bristles, 360-degree rounded head, safe for bottle sterilizers and boiling
- Tots Tots Pastel
- 18 months–7 years, about 3,600 bristles, 12 colors
- Tots Plus
- 36 months–8 years, about 3,600 bristles, non-slip handle, 8 colors
- Big Kid Forever
- 6 years and up, replaceable refill heads, 2 handles and 6 heads to mix and match, concave head
Prices as written by the tester on May 7, 2026 · not updated automatically
Today I'm sharing my experience trying the Radius Kids Premium Toothbrushes, as a kids' toothbrush recommendation.


What kind of brand is Radius?
Radius describes itself as an oral-care brand with 40 years of history and the number one toothbrush in US sales. Its kids' toothbrush is said to be the only children's toothbrush certified by the American Dental Association (ADA) for both excellent cleaning power and gentleness, so I could order with extra confidence, since it's something my child puts in their mouth.
On top of that, it's a brand stocked at Seoul National University Hospital, and it keeps working for the environment with biodegradable toothbrushes.

Which Radius toothbrush is right for your child's age?
The Radius kids' lineup is divided so you can choose by your child's age, growth stage and oral condition. From a first baby toothbrush all the way to elementary school, there's something for every age.
- Pure Baby: 6–18 months
- Tots Tots Pastel: 18 months–7 years
- Tots Plus: 36 months–8 years
- Big Kid Forever: 6 years and up

Radius Pure Baby (6–18 months): a baby's first toothbrush
Radius Pure Baby is just right as a baby's first toothbrush. It's made with about 6,000 super soft bristles, so it's full and gentle and perfect for massaging gums, and it's said to be dye-free and non-toxic, made without harmful substances or artificial colors.
The 360-degree rounded head means no worries about hurting your baby's gums~ It can also go in a bottle sterilizer or be boiled, so it's easy to keep clean.

Radius Tots Tots Pastel (18 months–7 years): for baby teeth
Radius Tots Tots Pastel has about 3,600 bristles and is non-toxic and free of harmful substances, which makes it ideal for caring for baby teeth. The soft bristles clean gums and tooth surfaces at once, into every corner, without hurting.
It also comes in 12 colors, so your child can choose their favorite.

Radius Tots Plus (36 months–8 years): when kids start brushing on their own
Radius Tots Plus also has about 3,600 bristles and is non-toxic and free of harmful substances, ideal for kids whose permanent teeth are coming in. The non-slip handle is good for kids starting to brush by themselves, and the ergonomic design is easy to hold without slipping.
There are 8 colors too, so they can pick what they like~

Radius Big Kid Forever (6 years and up): replaceable heads
Radius Big Kid Forever is the only replaceable toothbrush in the lineup, where you swap in a refill for the bristle head. You can mix and match 2 handles and 6 heads and change up the colors.
It's a dual-blend fine-bristle brush designed so kids whose permanent teeth are coming in, and who may have lost some teeth, can brush every corner. Flip the handle direction and it works comfortably for both lefties and righties, and the concave head wraps around the teeth for a clean brush.



Radius kids' toothbrush design and grip: what were they like?
The Radius kids' toothbrush is so pretty it hit the spot with my child! You can combine colors too, which seems to suit kids' tastes even more.
Also, it's comfortable for a child to hold the moment they grab it~



Does a Radius toothbrush clean better than a regular kids' toothbrush?
Brushing with the Radius wide head and dense bristles, it definitely felt like it cleaned a wider area of the teeth more thoroughly than a regular kids' toothbrush. The teeth got relatively clean, so I was very satisfied.
I especially liked the feeling of it gently massaging the gum line between the teeth.


From a baby's first toothbrush through the time permanent teeth come in and need care, these are Radius kids' toothbrushes that children of every age can use with peace of mind. Soft bristles and thorough cleaning too! I recommend Radius toothbrushes.
Where to buy
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