Science
Mechanism of Action
This polypeptide is understood to maintain the skin in optimal condition. Broader research on Saccharomyces polypeptides indicates their capacity to signal the body to activate intrinsic repair mechanisms, stimulate hair regeneration, strengthen hair fibers, and promote a balanced scalp microbiota for enhanced protection.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
General Saccharomyces cerevisiae-derived peptides have demonstrated favorable stability profiles, with studies indicating no adverse effects on the physicochemical (color, odor, pH, viscosity) or physical stability of emulsions over a 28-day period. This suggests a potential role as co-preservatives.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has issued an 'Insufficient Data Announcement' for the broader group of yeast-derived ingredients, including Saccharomyces cerevisiae, highlighting a need for more comprehensive safety data in cosmetic applications. While Saccharomyces cerevisiae itself is 'Generally Recognized As Safe' (GRAS) by the FDA as a food flavoring agent and adjuvant at levels not exceeding 5%, specific safety data for R-Saccharomyces Polypeptide-1 in topical formulations is not yet established.
Your Skin
Skin Compatibility
Our Assessment
Verdict
R-Saccharomyces Polypeptide-1 presents as a promising skin conditioning agent with inferred benefits for hair health; however, the lack of specific clinical efficacy and comprehensive safety data warrants further investigation for definitive assessment.
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