---
product_id: 375711321
title: "Radius Toothbrush Flex Brush BPA Free & ADA Accepted Designed to Improve Gum Health & Reduce Gum Issues - Right Hand - Lime White - Pack of 1"
brand: "radius"
price: "HK$137"
currency: HKD
in_stock: true
reviews_count: 13
category: "Radius"
url: https://www.desertcart.hk/products/375711321-radius-toothbrush-flex-brush-bpa-free-and-ada-accepted-designed
store_origin: HK
region: Hong Kong
---

# Supersized oval brush head for max coverage 3X longer lasting BPA-free vegetable nylon bristles Ergonomic easy-grip handle with flex neck tech Radius Toothbrush Flex Brush BPA Free & ADA Accepted Designed to Improve Gum Health & Reduce Gum Issues - Right Hand - Lime White - Pack of 1

**Brand:** radius
**Price:** HK$137
**Availability:** ✅ In Stock

## Summary

> 🦷 Elevate your oral care game—because your smile deserves the best!

## Quick Answers

- **What is this?** Radius Toothbrush Flex Brush BPA Free & ADA Accepted Designed to Improve Gum Health & Reduce Gum Issues - Right Hand - Lime White - Pack of 1 by radius
- **How much does it cost?** HK$137 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/375711321-radius-toothbrush-flex-brush-bpa-free-and-ada-accepted-designed)

## Best For

- radius enthusiasts

## Why This Product

- Trusted radius brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Gum-Friendly Flex:** Angled flex neck reduces pressure, protecting gums from irritation even if you brush hard.
- • **Sustainably Strong:** Vegetable-based nylon bristles last 3X longer than standard brushes—eco-friendly & BPA-free.
- • **ADA Accepted Confidence:** Backed by the American Dental Association for proven plaque removal and gum health.
- • **Deep Clean, Less Effort:** Wide oval brush head targets tricky spots with ease for a full-mouth tingly clean.
- • **Grip & Control Mastered:** Award-winning ergonomic handle ensures perfect 45° brushing angle and ultimate control.

## Overview

The RADIUS Flex Brush is a professional-grade manual toothbrush featuring a supersized oval brush head and flexible neck technology designed to improve gum health and reduce irritation. Made with BPA-free, vegetable-based nylon bristles that last 3X longer than typical brushes, it combines sustainability with superior cleaning power. Its award-winning ergonomic handle promotes optimal brushing angle and control, earning ADA acceptance for effective plaque removal and gingivitis prevention. Perfect for millennials seeking a premium, eco-conscious oral care upgrade.

## Description

RADIUS FLEX BRUSH - The one that started it all. The luxurious RADIUS Original blends form and function seamlessly. Not only is it accepted by the American Dental Association for prevention of gingivitis and the removal of plaque. The RADIUS Original’s iconic design won it a spot in the permanent collection of the Smithsonian Institute National Design Museum. Ingredients: Recycled TPE, EcoPure, Vegetable-Based Nylon, Staples

Review: The Only Toothbrush I’ve Used for 9–10 Years — Nothing Compares! - I’ve been using RADIUS right-hand toothbrushes for the past 9–10 years, and I honestly can’t imagine switching to anything else. Once you try it, regular toothbrushes just don’t compare. The wide, gentle bristles clean incredibly well while still being soft on gums. My teeth always feel exceptionally clean, and my gums stay healthy with no irritation. The right-hand design fits perfectly and makes brushing feel more natural and controlled. What really keeps me loyal after all these years is the quality and comfort—plus the replaceable heads are a great, sustainable bonus. This is a thoughtfully designed, long-lasting product that truly works. If you’re serious about oral care and want a toothbrush you’ll stick with for years, RADIUS is absolutely worth it. Highly recommend! 🦷✨
Review: Finally decent toothbrushes!! - I don’t know what’s happened to toothbrushes lately, but it seems like every new one on the market either feels cheap, has bristles that are way too harsh, or just doesn’t clean well. I’ve tried so many brands—everything from drugstore basics to overpriced “designer” brushes—and honestly, they all fell short. That is, until I found the RADIUS Big Brush BPA Free & ADA Accepted toothbrush. Total game-changer. The first thing you notice is the brush head—it’s big, like the name says, but in the best way possible. It covers more surface area, which means fewer strokes to get a thorough clean. And the bristles? Absolute perfection. Soft enough that they don’t shred your gums but firm enough to get rid of plaque. I have sensitive gums, and this is the first brush that leaves my mouth feeling fresh and clean without irritation. What I also love is that it’s BPA-free and eco-friendly. The handle is comfortable to hold and gives you great control, and knowing it’s made from sustainable materials is just the cherry on top. Plus, it’s ADA accepted, which reassures me that it’s not just some random product—it’s legit. I’ve tossed all my other brushes at this point. This is the only toothbrush I trust now. Seriously, if you’re tired of flimsy brushes that don’t get the job done (or worse, hurt your gums), do yourself a favor and try this one. It’s worth every penny. And hey, after all the toothbrushes and everything else I’ve ordered on desertcart, I’m still wondering how I’m not a Vine reviewer yet!

## Features

- SUPERSIZED BRUSH HEAD FOR SUPERIOR CLEANING - The wide oval brush head coupled with a flexible neck helps target those tricky to reach areas more easily, massaging the whole mouth as it goes for an all over tingly clean.
- 3X LONGER LASTING BRISTLES - Made from vegetable based nylon bristles (which in case you're wondering are BPA-free, ADA accepted) the Flex Brush lasts 3X longer than other run of the mill toothbrushes.
- FLEX NECK TECHNOLOGY - The Flex Brush’s wide soft head stems from an angled neck reduces pressure on gums and teeth. Especially if you're a hard brusher. Bristles are softer and more uniquely aligned providing even pressure that reduces chronic issues.
- AWARD WINNING "EASY-GRIP" DESIGN - The RADIUS Flex Brush user friendly handle complies with recommended 45 degree brush to tooth angle and the smart Thumb and Palm design makes it much easier to grip and control.
- ADA ACCEPTED - Accepted by the American Dental Association. All RADIUS Toothbrushes are a must have for clean teeth & gums.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09H3M4Y8X |
| Age Range (Description) | Adult |
| Age Range Description | Adult |
| Best Sellers Rank | #43,749 in Health & Household ( See Top 100 in Health & Household ) #258 in Manual Toothbrushes |
| Brand | RADIUS |
| Brand Name | RADIUS |
| Bristle Material | Nylon |
| Color | Lime/White |
| Customer Reviews | 4.6 out of 5 stars 2,683 Reviews |
| Handle Material | Wood |
| Included Components | Radius Flex Toothbrush |
| Item Dimensions | 1.25 x 2.25 x 9 inches |
| Item Firmness Description | Ultra Soft |
| Item Nype Name | FLEX BRUSH |
| Item Weight | 0.1 Pounds |
| Manufacturer | RADIUS Corporation |
| Manufacturer Part Number | SRB-177 |
| Material Features | Reusable |
| Model Name | 3x the normal toothbrush’s bristles |
| Model Number | SRB-177 |
| Mount Motion | manual |
| Number of Items | 1 |
| Number of Pieces | 1 |
| Number of settings | 1 |
| Operation Mode | Manual |
| Other Special Features of the Product | Lightweight |
| Package Type Name | Blister |
| Power Source | Manual |
| Reusability | Reusable |
| Special Feature | Lightweight |
| Target Audience | Boys, Girls, Unisex-Adults, Unisex-Kids |
| Toothbrush Head Shape | Oval |
| UPC | 085178003916 |
| Unit Count | 1 Count |

## Product Details

- **Age Range (Description):** Adult
- **Brand:** RADIUS
- **Item Firmness Description:** Ultra Soft
- **Power Source:** Manual
- **Special Feature:** Lightweight

## Images

![Radius Toothbrush Flex Brush BPA Free & ADA Accepted Designed to Improve Gum Health & Reduce Gum Issues - Right Hand - Lime White - Pack of 1 - Image 1](https://m.media-amazon.com/images/I/513RZlOfH5L.jpg)
![Radius Toothbrush Flex Brush BPA Free & ADA Accepted Designed to Improve Gum Health & Reduce Gum Issues - Right Hand - Lime White - Pack of 1 - Image 2](https://m.media-amazon.com/images/I/71TRAPFXIkL.jpg)
![Radius Toothbrush Flex Brush BPA Free & ADA Accepted Designed to Improve Gum Health & Reduce Gum Issues - Right Hand - Lime White - Pack of 1 - Image 3](https://m.media-amazon.com/images/I/41q-+EQQhDL.jpg)
![Radius Toothbrush Flex Brush BPA Free & ADA Accepted Designed to Improve Gum Health & Reduce Gum Issues - Right Hand - Lime White - Pack of 1 - Image 4](https://m.media-amazon.com/images/I/31yUlF0kpmL.jpg)
![Radius Toothbrush Flex Brush BPA Free & ADA Accepted Designed to Improve Gum Health & Reduce Gum Issues - Right Hand - Lime White - Pack of 1 - Image 5](https://m.media-amazon.com/images/I/51oxWZiM-wL.jpg)

## Available Options

This product comes in different **Color, Size, Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ The Only Toothbrush I’ve Used for 9–10 Years — Nothing Compares!
*by M***A on January 7, 2026*

I’ve been using RADIUS right-hand toothbrushes for the past 9–10 years, and I honestly can’t imagine switching to anything else. Once you try it, regular toothbrushes just don’t compare. The wide, gentle bristles clean incredibly well while still being soft on gums. My teeth always feel exceptionally clean, and my gums stay healthy with no irritation. The right-hand design fits perfectly and makes brushing feel more natural and controlled. What really keeps me loyal after all these years is the quality and comfort—plus the replaceable heads are a great, sustainable bonus. This is a thoughtfully designed, long-lasting product that truly works. If you’re serious about oral care and want a toothbrush you’ll stick with for years, RADIUS is absolutely worth it. Highly recommend! 🦷✨

### ⭐⭐⭐⭐⭐ Finally decent toothbrushes!!
*by V***R on April 22, 2025*

I don’t know what’s happened to toothbrushes lately, but it seems like every new one on the market either feels cheap, has bristles that are way too harsh, or just doesn’t clean well. I’ve tried so many brands—everything from drugstore basics to overpriced “designer” brushes—and honestly, they all fell short. That is, until I found the RADIUS Big Brush BPA Free & ADA Accepted toothbrush. Total game-changer. The first thing you notice is the brush head—it’s big, like the name says, but in the best way possible. It covers more surface area, which means fewer strokes to get a thorough clean. And the bristles? Absolute perfection. Soft enough that they don’t shred your gums but firm enough to get rid of plaque. I have sensitive gums, and this is the first brush that leaves my mouth feeling fresh and clean without irritation. What I also love is that it’s BPA-free and eco-friendly. The handle is comfortable to hold and gives you great control, and knowing it’s made from sustainable materials is just the cherry on top. Plus, it’s ADA accepted, which reassures me that it’s not just some random product—it’s legit. I’ve tossed all my other brushes at this point. This is the only toothbrush I trust now. Seriously, if you’re tired of flimsy brushes that don’t get the job done (or worse, hurt your gums), do yourself a favor and try this one. It’s worth every penny. And hey, after all the toothbrushes and everything else I’ve ordered on Amazon, I’m still wondering how I’m not a Vine reviewer yet!

### ⭐⭐⭐⭐⭐ Good Gum Cleaner easier on the Hand to Hold
*by H***Y on August 30, 2025*

This looked like an Orthodontic Device but once you get used to how to use it, your Teeth and Gums will Thank You. You should not use pressure by the Gum area, just the large size of the Brush does come to the gum area to clean so the size is a helper. So easy to handle, just fits the hand easily. Its says Soft, but I found it almost a Regular.

## Frequently Bought Together

- Radius Toothbrush Flex Brush BPA Free & ADA Accepted Designed to Improve Gum Health & Reduce Gum Issues - Right Hand - Lime White - Pack of 1
- RADIUS Toothbrush, Original Big Brush & Case, Right Handed, Green Brush with Green Case, BPA Free and ADA Accepted
- RADIUS Toothbrush, Original Big Brush with Replaceable Head, Right Handed, Midnight Sky/Marble/Soda Pop, BPA Free & ADA Accepted, Pack of 3

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-06-06*