Science
Mechanism of Action
This ingredient acts as a color precursor, reacting with other chemicals, such as hydrogen peroxide, to form the final dye molecules within the hair shaft. Its mechanism of action for any specific benefits on skin is not established, as its utility is confined to hair coloring applications.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
Hydroxyethoxy Aminopyrazolopyridine HCl is primarily used as an oxidative hair dye and has no known or established benefits for skin. Consequently, it is not an ingredient typically 'dusted' in precision skincare formulations.
The Formula
Formulation
Stability
The substance itself demonstrates stability in deionized water solutions (ranging from 1 mg/ml to 100 mg/ml) for up to 9 days when stored at ambient temperature. A 23±2°C solution exhibited a pH of 3.1±0.1; however, its stability within typical hair dye formulations was not specifically detailed.
Safety
Safety Profile
The Scientific Committee on Consumer Safety (SCCS) deems Hydroxyethoxy Aminopyrazolopyridine HCl safe for use in oxidative hair dye formulations at a maximum on-head concentration of 2.0%, with the explicit caveat of its sensitizing potential. It is unequivocally identified as a strong sensitizer, indicating a high risk for allergic contact dermatitis. No specific Cosmetic Ingredient Review (CIR) assessment for this ingredient was found, and its FDA status in cosmetics is under general regulations without specific 'safe' or 'unsafe' pronouncements.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Hydroxyethoxy Aminopyrazolopyridine HCl is a strong sensitizer with no established benefits for skin, rendering it unsuitable for precision skincare formulations.
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