Group 1 - The beauty blogger "Dr. Big Mouth" (Hao Yu) raised questions about the testing results released by Giant Bio, specifically regarding the choice of testing methods and the accuracy of the results [1] - Concerns were expressed about the discrepancy between the claimed 100% homology of recombinant collagen with human collagen and the actual 86% homology based on Giant Bio's own patent [1] - The blogger highlighted the lack of a blank control in the biuret test, which is crucial for accurately measuring the presence of recombinant collagen in the formulation [1] Group 2 - Recently, the international testing company SGS declined a testing request from the blogger's team, citing the controversial nature of the tests and a desire to avoid involvement [2] - The blogger criticized SGS for its decision to return the testing request, arguing that testing institutions should uphold social responsibility beyond profit motives [2] - In response to Giant Bio's statement about the availability of its products, the blogger encouraged legal entities to collect samples for future consumer protection efforts [2]