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Basic Formulation question I never asked!
Over the years I have found formulas that are written differently. I am looking at one now that has all the major ingredients listed and they all add up to 100% but 2 ingredients, specifically an “antioxidant” and “perfume” are listed separately with q.s. (as needed) written next to them. Obviously it would then add up to more than 100% and the perfume, at least, is added the next day. This would certainly help me in reformulating but I am just wondering about the use of this technique in writing formulas! Thanks for any assistance you can provide!
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