Science
Mechanism of Action
It draws and retains moisture, alleviating dryness for a plump appearance, and conditions skin for a softer, smoother feel. Its antioxidant and anti-inflammatory properties further protect and soothe the skin.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
No specific data regarding dusting behavior or thresholds for yak milk in skincare formulations is available.
The Formula
Formulation
Stability
Optimal solubility for yak milk caseins is at pH 8.0, with best emulsification at pH 10.0 and thermal stability at pH 9.0. This suggests alkaline conditions (pH 8.0-10.0) for optimal processing, contrasting with typical skincare product pH of 4.5-6.5.
Conflicts
- Casein in milk can potentially cause irritation and inflammation in sensitive individuals.
- Lactose content may cause breakouts for individuals with dairy sensitivities.
- Combining with other strong exfoliating acids or retinoids may increase irritation, especially if the milk ingredient contains lactic acid.
Safety
Safety Profile
Bovine milk proteins are generally recognized as safe (GRAS) for food by the FDA, with a CIR Expert Panel confirming safety for 16 related ingredients. Yak milk, being bovine-derived, is considered safe as used, though the SCCS has not specifically evaluated it.
Your Skin
Skin Compatibility
Our Assessment
Verdict
While yak milk offers potential moisturizing and conditioning benefits, further specific clinical studies are needed to definitively assess its efficacy and safety profile in skincare.
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