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Another question, 1-3 % is 1-3 grams of Copper tripeptide 1000 ppm per 100 ml solution, right?

I would like to know if copper tripeptide 1000 ppm, if myskin recommends 1-3%, this is how many ppm per 1 liter of solution?

Ask more if you change to Sorbic Acid instead of Citric Acid ?

I would like to know the main components of Long lash how many % of each peptide and blending can be added in the final step? and if in the formula there is Citric Acid can enter Long lash ? Thank you.

Ask if you read the details. glycolic acid then a question arises. yes In the details it says that if you want to prepare 10% glycolic Mix ratio is 0.1 which means Glycolic Acid Powder 10 g and 90 ml of water, now the remaining water in the formula is about 42% minus 10% glycolic acid in the formula...