PREGNADIENOL
Safety score · 0–100
Caution
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A steroid precursor related to progesterone with hormonal activity, making it subject to restrictions in cosmetic products.
Pregnadienol is a C-21 steroid and precursor in progesterone biosynthesis. As a substance with demonstrated hormonal activity, it falls under the EU's endocrine-disrupter framework. The EU Cosmetics Regulation does not list pregnadienol as an authorized cosmetic ingredient, and its use would require a full safety assessment. It is subject to restriction or prohibition depending on concentration and intended use.
Known concerns
- Potential hormonal activity — progesterone-related
- Not listed in EU CosIng authorized substance list
- Requires safety evaluation for cosmetic use
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Check your shelf
Find PREGNADIENOL in your products.
Scan any cosmetic product with LuxSense to see if it contains PREGNADIENOL and get a full ingredient breakdown with safety scores.
This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.