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Cica Sleeping Mask Base Where do you put it? Path A is water, Path B is Cetyl Alcohol + Vitamin E C is an extract, should be boiled and dissolved in Part B? Will all the substances be liquid and will collapse? Or should I put it after A+B?

proportion of use (Drop it into the formula) 0.05% means 5% glycolic when submitting, notify the FDA, is that correct?

dilution ratio with water to obtain glycolic acid Concentration as required Concentration, use proportion 5% 0.05 means Solution5% (Glycilic 5: Water 95) and then drop into 0.05% formula, right ..... FDA requirements for AHA : for consumers Can use no more than 5% and product pH not lower than 3.5

Want to make a foundation sunscreen spf 50 pa+++ with admin suggesting that SPF Protect Ultra II at 15% will get SPF50, PA+++ already in the formula must be used. Titanium Dioxide Zinc Oxide Is it on?

Water Resistant physical sunscreen (UVA/UVB) Total *Calculated from the price of raw materials sold. The maximum size displayed on the web page. In the amount used in the production of this formula, the amount of 50 grams = 83.37 baht means the cost per kilo or per 50g. If the cost per kilo, how man...