NMAriel
Well-Known Member
If shampoo is liquid and a soap, and liquid soap is liquid and a soap.....does that mean that shampoo is liquid soap? And what lye do you use for shampoo? KOH or SOH? Thanks.
MikeInPdx said:Most shampoos are detergent based, rather than soap. They're made by reacting petroleum and/or plant products with a strong acid solution (IIRC).
And, shampoo doesn't need to be liquid.
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