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It is the required HLB, correct. For stearyl palmitate the required HLB = 10. The required HLB values calculated for fatty esters and other builders is somewhat nebulous and to be taken as approximate.
Hello i apologize this is off topic but I want to enquire if you’ve taken the chemist corner practical formulating course I need to know if it’s a certified course and if the course makes one a cosmetic chemist