Science
Mechanism of Action
Pregnenolone Acetate exerts its effects as a skin conditioner and anti-aging compound primarily by enhancing skin hydration, which contributes to wrinkle reduction. As a derivative, it is hypothesized to modulate innate immune signaling, thereby suppressing inflammatory responses by decreasing cytokine release, such as TNF-α and IL-6, while simultaneously promoting antioxidant and anti-inflammatory mechanisms. Additionally, it has been observed to increase microtubule polymerization.
Research
Clinical Evidence
Low confidence0.5%
Key findings
- 01 Reported to reduce wrinkles in elderly women due to improved skin hydration.
- 02 Marketed in France in a topical cream for premature skin aging, but was withdrawn in 1992.
Transparency
Dusting Analysis
The Formula
Formulation
Safety
Safety Profile
The FDA proposed a restriction on Pregnenolone Acetate in cosmetics to no more than 0.5%, with a monthly usage limit not exceeding 2 oz, considering it safe for OTC use without drug effects at this level. However, PubChem lists GHS classifications for the pure substance as 'Suspected of causing cancer' (H351) and 'Suspected of damaging fertility or the unborn child' (H361). Furthermore, EWG Skin Deep references a 'Violation of government restrictions - Banned or found unsafe for use in cosmetics' citing the EU Cosmetics Directive, suggesting a prohibitive regulatory status within the EU. Oral pregnenolone is not advised for individuals with hormone-sensitive conditions.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Despite some reported benefits for wrinkle reduction and hydration, significant safety concerns, including potential carcinogenicity and reproductive harm classifications by PubChem, and an EU ban, render this ingredient unsuitable for cosmetic use.
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References
Sources