Core Insights - The electric toothbrush industry is undergoing a significant transformation driven by the emergence of "sweeping vibration" technology, which enhances cleaning efficiency and user experience, marking a shift towards "scientific brushing" [1][3][47]. Market Analysis - The electric toothbrush market has transitioned from a high-growth phase (2019-2020) to a period of adjustment (2021-2023), with retail sales declining approximately 32% in 2023 compared to 2020 [2][39]. - The introduction of sweeping vibration technology at the end of 2023 has revitalized the market, leading to a projected retail sales figure of 6.4 billion yuan in 2024, with expectations to exceed 10 billion yuan by 2028, reflecting a compound annual growth rate (CAGR) of 12.6% [2][39]. Technology and Innovation - Sweeping vibration technology, characterized by "servo motor + unlimited positioning + calculated vibration," allows for precise simulation of the Bass brushing method, significantly improving cleaning effectiveness and user convenience [1][65]. - The penetration rate of sweeping vibration electric toothbrushes surged from 2% to 16% within a year of its introduction, indicating strong market demand and growth potential [3][40]. Competitive Landscape - The electric toothbrush market is highly competitive, with both international and domestic brands vying for market share. New entrants are leveraging technological advancements to differentiate themselves [3][40]. - Brands like Laifen have successfully utilized sweeping vibration technology to gain a competitive edge, rapidly climbing into the core tier of the industry [3][40]. Consumer Insights - Increasing consumer awareness of oral health is driving the demand for electric toothbrushes, which are increasingly viewed as essential rather than optional products [2][39]. - A significant portion of consumers (54.65%) express dissatisfaction with the high cost of replacement brush heads, prompting brands like Laifen to adopt a "hardware low-margin + consumables affordable" strategy to enhance user value [8][17]. Future Trends - The sweeping vibration technology is expected to lead the industry towards more standardized technical specifications, improving product quality and market structure [47][48]. - The market is anticipated to see a rise in the number of products featuring sweeping vibration technology, with over 160 models expected by the end of 2024, although many may lack clear technical specifications [47][48].