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Question

Posted on: May 7 2020

Shampoo

How to prepare next shampoo

coaltar saponin 25 g
salicylic acid 18 g
lactic acid 30g
urea 30g
Zinc sulphate 4 g
borax 18g
After lauryl sulfate 48 g
water ad 600 g

salicylic acid is not water soluble. borax + zinc sulphate: no precipitation formation? (cf blue water?)

How do I prepare this shampoo?

Answer