Group 1 - The core point of the article is that Kosh Holdings (科思股份) has confirmed that its sunscreen products are being utilized by Mistine [1] Group 2 - Kosh Holdings is actively engaging with investors through its interactive platform [1] - The use of Kosh Holdings' sunscreen products by Mistine indicates potential market acceptance and collaboration opportunities [1]

Group 1 - The company Kesheng Co., Ltd. (300856) is actively promoting the sales of amino acid surfactants and pyrrolidone ethanolamine salts, which have entered the supply chains of leading brands such as Unilever [1] - The commercialization of P-S products in the U.S. market is pending FDA approval [1] - The impact of inventory reduction for sunscreen products is gradually diminishing, although the recovery situation varies among different products [1]

Group 1 - The company has strict internal control management for the quality standards and storage period of its sunscreen products, ensuring they are in optimal condition before production [2] - The shelf life of the company's sunscreen products ranges from 2 to 5 years [2]