On the amount of glycolic acid
If you want to know the amount of glycolic acid, it is related to all things. In the system of various things, the amount of glycolic acid needs to be accurate.

Looking at the craftsmanship, when using glycolic acid, you must review its material properties and meet its needs. If the material is different, the suitability of glycolic acid is different. If you make a certain quality, you need glycolic acid to adjust its properties. If the amount is small, the quality will not meet the requirements; if you measure it too much, it will damage its quality and cause it to be useless.

And the amount of glycolic acid is related to the skill of work. Those who are good at work know how to use the material, and consider the amount of glycolic acid accurately. Beginners, or how much is wrong, can't do it. Therefore, if you want to do something good, you must first understand the appropriate amount of glycolic acid, and observe it carefully and test it diligently in your work, and accumulate it over time.

It also depends on the nature of the test, and also on the amount of glycolic acid. If the amount is appropriate, the test will be true; if the amount is not suitable, the test will be wrong, and it will be difficult to understand the essence of the thing. It is essential to know the amount of glycolic acid, and it should not be ignored. Craftsmen should study it with great concentration, so that all things are good.