Yuhan-Kimberly Launches Greenfinger My Kids Toothbrush Stage 4 for Permanent Teeth, Doubles Sales in Naver Promotion

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Yuhan-Kimberly has launched the Greenfinger My Kids Toothbrush Stage 4, a product specialized for permanent teeth care. It posted sales twice as high as a year earlier in Naver New Product Week, securing an early market response.

Background to the new product launch and market performanceYuhan-Kimberly has introduced the Greenfinger My Kids Toothbrush Stage 4, designed for customized oral care for permanent teeth. The product was first unveiled through Naver New Product Week last month, and a Yuhan-Kimberly representative said it recorded sales of about twice the level of the same event a year earlier.

During the period when baby teeth are replaced by permanent teeth, the gaps between teeth become narrower, making plaque removal more difficult. That is why care with a dedicated stage 4 toothbrush is needed.

Bristle implantation method and fine-bristle technical specificationsThe Greenfinger My Kids Toothbrush Stage 4 improves cleaning performance based on proprietary technology. It uses Advanced Rounded Double Fine Bristles, which are rounded at the tips to reduce irritation and can care for both plaque and gums in tight spaces between teeth.

It also adopts a dense 39-hole bristle implantation pattern, designed to clean tooth surfaces and gaps thoroughly. This is a core technology that supports customized cleaning for permanent teeth.

Convenience and design featuresTo help children develop brushing habits, the brand character Pua has been applied to the package and toothbrush handle. The product comes in 10 color options, including pastel and vivid tones, allowing users to choose according to their preferences.

With a smaller head than standard toothbrushes, the product is versatile enough for children aged 8 and older as well as adults seeking more precise oral care, making it suitable for the whole family.

Quality, safety, and durability verificationObjective tests on the product’s durability and safety have also been completed. It passed a tensile strength test more than twice as stringent as the Korean Industrial Standards (KS), minimizing bristle shedding even during vigorous brushing.

In addition, tests confirmed that no harmful substances were detected, ensuring safety when using the stage 4 toothbrush. The permanent-teeth-focused design strengthens Yuhan-Kimberly’s oral care product lineup.

This content was prepared by MaeKyung Biz Content Planning Team based on official announcements and press releases.