Cationic guar gum in face and body wash
I want to make a face and body wash line that has 0.2% guar Hydroxypropyltrimonium Chloride to reduce irritation, increase viscosity and foam. We have use the sample for less than a month with no problem, but i am not sure about long term effect on face and body.
My questions are
1. Do you advice to add 0.2% guar Hydroxypropyltrimonium Chloride in face and body wash or not?
2. Any idea about long term effect or any negative skin feel?
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