Maximum Concentration of PEG-6 Caprylic/Capric Glycerides in Leave-on Products
คำถาม
What is the maximum concentration of PEG-6 Caprylic/Capric Glycerides (such as MakeUp-Wash™) that can be safely used in leave-on products? Are there different recommendations for general skincare versus cleansing products like Micellar Water?
คำตอบ
According to safety assessments (such as the Cosmetic Ingredient Review - CIR), PEG-6 Caprylic/Capric Glycerides is considered safe for use in cosmetic products.
For leave-on products, the maximum concentration typically reported in safety data is up to 10%. However, in practical formulation:
- Recommended Usage: For general leave-on skin care, it is often used at lower levels (around 1-5%) to avoid a sticky or tacky skin feel, as it is a surfactant-derived ingredient.
- Cleansing Products: It is most commonly used in Micellar Water or makeup removers at a rate of 1-10% (recommended 3-5%). Even though Micellar Water is often not rinsed off, it is technically a cleansing step.
If you are using the product MakeUp-Wash™ (PEG-6 Caprylic/Capric Glycerides), the manufacturer recommends a usage rate of 1-10%. If used at high concentrations and it causes eye irritation or a sticky feeling, it is advised to reduce the concentration.
Summary:
- Safety Limit (Leave-on): Up to 10%
- Practical Usage (Leave-on): 1-5%
- Cleansing/Micellar (Leave-on/Rinse-off): 1-10% (3-5% is most common)
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