On July 7, 2016, the 4th Cosmetics R&D and Technology Cooperation Summit was grandly held at the DoubleTree by Hilton Hotel in Guangzhou.

Dr. Cheng made an analysis report on in vitro alternative test strategies and techniques

Dr. Cheng made an analysis report on in vitro alternative test strategies and techniques

At this summit, Dr. Cheng founder of the Alternative Method Research and Evaluation Center, made an analysis report on the in vitro alternative test strategy and technology for eye irritation, and pointed out that in accordance with the EU standard BCOP method—bovine corneal turbidity and permeability test, the average turbidity value is less than 0.2 , The average OD value is less than 0.05, and the in vitro score is less than 1, which can prove to be a mild and non-irritating product. The in vitro score of Guangmann's 1,2-hexanediol H-880 is less than 1, which shows that it is a very mild new antiseptic raw material.