Two clear-handled dish brushes with white bristles are positioned parallel to each other on a white background. Two white Radius soft brush head replacements in clear packaging, displayed against a green leaf design. The packaging highlights ADA acceptance, non-toxic materials, and Clean Teeth & Gums. Radius Source Replacement Heads package features two white soft brush heads, a plant graphic, and “CLEAN TEETH & GUMS” and “BETTER BY DESIGN” text—ideal for vegan oral care and reducing plastic use. Back of a Radius Source Replacement Heads package displays product info, head image, vegan oral care claims, usage directions, eco-friendly icons, certifications, and emphasizes reduced plastic use and environmental benefits. Close-up of a clear toothbrush with white bristles, shown against a plain white background.
Two clear-handled dish brushes with white bristles are positioned parallel to each other on a white background.

Radius Source Replacement Heads

2 unit

Why we love it

  • Free from 3,000+ banned ingredients and meets our EU-informed standards.
  • Sustainable toothbrush alternative.
  • Helps reduce plastic waste.
  • Designed for easy access to hard-to-reach areas.
Purchase options

Source Replacement Heads $8.49

Free carbon neutral shipping on orders $29+. Arrives in 3–5 days. Free, easy 30-day returns.

When it comes to your toothbrush, always replace instead of creating more waste. These Radius Source Replacement Heads work well with the Radius Source Toothbrush so you can keep your main toothbrush use after use and reduce plastic consumption and waste by 93%. These super convenient brushes feature a long, thin neck so you can easily reach where you need to brush, too. Plus, they’re paraben-free, made in the U.S., vegan, and Leaping Bunny–certified.

How often should you replace a toothbrush head?

The American Dental Association (ADA) recommends changing out your toothbrush head every three months, so you can avoid using a toothbrush with too much built-up bacteria.

Why Grove members choose these Radius Source Replacement Heads:

  • These toothbrush replacement brushes extend the life of their Radius Source Toothbrush
  • They’re BPA-free
  • They help reduce waste by allowing you to reuse your main toothbrush
  • Radius is a women-owned business that supports charity

Sustainable toothbrushes for kids and families

Radius creates oral care products to leave your mouth (and the planet) a little bit cleaner. Impressed by these Radius Source Replacement Heads? Check out everything Radius that Grove has available for members.

Dye-free bristles made from vegetable-based nylon.

Just swap your old head for this fresh one, and your toothbrush is as good as new! Find the base here.

Grove Values

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