Science
Mechanism of Action
Within cosmetic formulations, Hydroxybutyl Methylcellulose operates by forming a subtle film on the skin's surface, stabilizing emulsions to prevent ingredient separation, and precisely modulating product viscosity. Its roles as a binder and bulking agent contribute to the overall structural integrity and desired sensorial feel of the product.
Research
Clinical Evidence
Insufficient-data confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Safety
Safety Profile
The CIR Expert Panel has deemed Hydroxybutyl Methylcellulose, alongside other cellulose derivatives, safe for cosmetic applications. Studies evaluating concentrations up to 100% indicated minimal ocular irritation and non-to-slightly irritating dermal responses. No mutagenic activity has been observed. While its status as a direct or indirect food additive by the FDA is not explicitly established, it is listed as an EPA chemical under TSCA.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Hydroxybutyl Methylcellulose is a valuable functional ingredient for optimizing product texture and stability across a wide array of cosmetic formulations, demonstrating a low risk profile.
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