BHA Toner Formulation: Salicylic Acid Solubility Issue
คำถาม
I would like to make a BHA toner with the following formula:
- Salicylic Acid 2%
- 1,2-hexanediol 3%
- Polysorbate 20 3%
- Water 92%
Is this formula feasible? What are the potential issues with this formulation, and are there alternative ingredients or methods to achieve a clear liquid toner?
คำตอบ
Regarding your BHA Toner formula:
Based on the staff's response, the proposed formula with 2% BHA (Salicylic Acid), 3% 1,2-hexanediol, 3% Polysorbate 20, and 92% water is not feasible.
This is because regular Salicylic Acid requires a sufficient amount of a suitable solvent like Propylene Glycol to dissolve properly. 1,2-Hexanediol cannot be used as a substitute for Propylene Glycol for this purpose.
The staff recommended considering Encapsulated Salicylic Acid (Liquid, Timed-Release) as an alternative for creating a clear, liquid toner formulation. You can find example formulas for this ingredient on its product details page.
ผลิตภัณฑ์ที่เกี่ยวข้องที่กล่าวถึง
Propylene Glycol (USP)
Salicylic Acid (BHA, Pharma Grade)
Polysorbate 20 (Tween 20)
