How to convert percentage to g and vice versa, how to recalculate a cosmetic formula

Hi friends!!
In this video I explain something that I have been asked many times: How to change the percentage to grams and how to change from grams to percentage?
I explain why it is convenient to have the formulas in percentage and how you can recalculate a formula based on an ingredient or a specific amount.
I hope it is clear, plus any questions that remain please tell me in comments and I will gladly solve it.
/ berejmzch
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