Group 1 - The core viewpoint of the articles highlights the significant performance of new products during this year's Double Eleven shopping festival, with many brands experiencing explosive growth in sales [1][2]. - Consumers are shifting their skincare preferences from "large sets" to "single products," favoring personalized combinations, particularly focusing on moisturizing and repairing products during the seasonal transition [2][4]. - Natural skincare brand Chando launched a new oil mask priced at 99 yuan for 12 pieces, which sold over 100,000 units on the first day of Double Eleven, showcasing a nearly 30% year-on-year increase in GMV from the previous year [4][6]. Group 2 - The new oral care brand Beisi achieved remarkable success with its newly launched blue light toothbrush, selling out at a price of 999 yuan during the Double Eleven promotion [5][6]. - Beisi's overall sales on Tmall increased by over 70% compared to last year's Double Eleven, attributed to effective product differentiation and the strategic use of content marketing through Li Jiaqi's livestream [6][11]. - The brand implemented a trade-in program to encourage consumers to try their higher-priced electric toothbrushes, which typically have a market share of only 5% for products priced above 900 yuan [9][10].