Core Viewpoint - The controversy surrounding the alleged fraud of the collagen essence product from Giant Biological (02367.HK) continues to escalate, with significant focus on the testing methods used to validate the claims made by Dr. Hao Yu, who has accused the product of containing only 0.0177% of recombinant collagen [1][3][5]. Group 1: Allegations and Responses - Dr. Hao Yu claims that the key component "glycine" is missing from the collagen essence, raising doubts about the product's authenticity [3]. - Giant Biological has issued a statement denying the allegations, asserting that their internal testing shows collagen content greater than 0.1%, contradicting Dr. Hao's findings [5][6]. - The company emphasizes adherence to regulatory standards and claims that all products undergo rigorous quality control processes [6][8]. Group 2: Testing Methods - The testing methods used by Dr. Hao Yu have been questioned by Giant Biological, which argues that the methods are not recognized by industry standards and lack proper validation [1][10]. - Dr. Hao Yu defends his use of high-precision HPLC amino acid quantification method, stating it is widely accepted internationally and has been validated for accuracy [1][10]. - Giant Biological has committed to obtaining third-party testing results to further validate their claims, indicating that they are awaiting the results from multiple authoritative testing agencies [2][8]. Group 3: Industry Context - The lack of established industry standards for measuring recombinant collagen content in cosmetics has been highlighted as a significant issue in this controversy [10]. - Dr. Hao Yu's background in organic chemistry and experience in the cosmetics industry lend credibility to his claims, although he asserts that there is no competitive motive behind his allegations [11][14]. - The ongoing debate raises questions about product quality and consumer trust in the cosmetic industry, particularly regarding the accuracy of ingredient labeling [16].
检测方法被质疑！是否涉及同行竞争？“大嘴博士”回应了