Science
Mechanism of Action
This ingredient primarily functions through its noted antimicrobial and antioxidant properties, contributing to skin protection against environmental aggressors and microbial overgrowth. It also exhibits a bleaching function. Drawing on extensive research for its unhydrolyzed counterpart, it is plausible that the hydrolyzed extract contributes to mitigating oxidative stress, supporting skin microcirculation, and exerting anti-inflammatory effects by modulating key inflammatory pathways, including the inhibition of inducible nitric oxide synthase (iNOS), cyclooxygenase-2 (COX-2), and NF-κB. Furthermore, it may assist in balancing sebum production and offers a pore-cleansing action, potentially enhancing the skin barrier through keratinocyte differentiation and circadian clock modulation.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Specific optimal pH and detailed stability data for the hydrolyzed form are not explicitly documented. However, the unhydrolyzed extract demonstrates optimal antioxidant activity at a pH of 6 in aqueous solutions, suggesting a potential pH consideration for maximizing efficacy.
Safety
Safety Profile
Formal safety assessments, such as those by CIR or SCCS, for Hydrolyzed Cinnamomum Cassia Bark Extract are currently unavailable. The unhydrolyzed Cinnamomum Cassia Bark Extract is known to potentially cause irritation, redness, or contact dermatitis, particularly in individuals with sensitive skin or cinnamon allergies, with higher concentrations presenting increased risks. EWG classifies the unhydrolyzed form with a 'HIGH' concern for allergies and immunotoxicity. While the hydrolyzed form is noted as suitable for non-sensitive skin in some contexts, precise data delineating its sensitization profile compared to the unhydrolyzed extract is limited, warranting cautious consideration and patch testing, especially for sensitive individuals.
Your Skin
Skin Compatibility
Our Assessment
Verdict
While offering noted antimicrobial, antioxidant, and bleaching functions suitable for oily skin, specific clinical efficacy and comprehensive safety data for the hydrolyzed form are currently insufficient for a definitive rating.
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