Core Insights - The investigation reveals significant price disparities in sunscreen products, with low-cost items often lacking adequate active ingredients and falsely advertising their SPF values [1][4][6] - The sunscreen market is currently experiencing a peak in sales, coinciding with the highest UV exposure period of the year [2][4] Price Discrepancies - Sunscreen prices vary widely, with some products priced as low as 0.99 yuan, while others can reach several hundred yuan [4][9] - The average price for high-selling sunscreens on e-commerce platforms is above 60 yuan, yet low-cost options have sold over 100,000 units [9][10] - Manufacturers can produce a 50ml tube of sunscreen for as little as 3 yuan by diluting active ingredients and cutting corners [6][11] Industry Practices - Common practices in the industry include underreporting the amount of active ingredients and using cheaper materials to reduce costs [7][11] - Some manufacturers engage in "certificate buying" and "certificate bundling," allowing companies without proper certifications to market their products [8][19] - The regulatory environment has tightened, but some manufacturers still claim to offer "certificate bundling" services [20][21] Consumer Guidance - Experts suggest that consumers should prioritize brands with stringent quality control and avoid low-cost sunscreens that may cause skin issues [1][35][36] - The effectiveness of sunscreens is influenced by the quality of active ingredients and production processes, with higher prices often reflecting better quality [31][35] - Recommendations for selecting sunscreens include checking for proper certifications and considering individual skin types and exposure scenarios [40]