by chanunchidaxiaoyue13 » Mon Jul 04, 2022 4:53 pm
In the formula it says that the ceramide NP does not exceed 0.2%, but in the formula, Skincare Barrier Cream Base, according to the msds document, has a percentage of ceramide 0.8%, so I'm not sure. In summary, ceramide NP can be used. What is the maximum concentration?