Science
Mechanism of Action
Teprenone operates at a cellular level by stabilizing telomeres and supporting DNA maintenance, which is posited to extend cell lifespan by up to one-third. It enhances tissue quality by optimizing inter-cellular communication and metabolic processes within skin cells. Beyond its role in cellular longevity, Teprenone also exhibits antioxidant and anti-inflammatory properties, can stimulate heat shock proteins (HSPs) for cellular defense, and has demonstrated an ability to inhibit melanin synthesis, contributing to a more even skin tone.
Research
Clinical Evidence
Medium confidence3%
Key findings
- 01 A manufacturer's study involving 24 participants utilizing a 3% Teprenone-containing cream (Renovage) over 6 months demonstrated significant improvements across various skin parameters. All participants experienced a 30-58% increase in skin moisturization and a 42-56% reduction in UV spots. Barrier integrity improved by 19-46% for 75% of panelists. After just one month, 75% of participants showed enhanced skin firmness (12-35%), elasticity (11-31%), and tone (19-45%). The product also contributed to a 36% improvement in neckline roughness, reduced dilated pores by 17% after one month (26% after 6 months), and decreased skin redness by 30.5%.
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Teprenone should be incorporated into the oil phase of a formulation at approximately 60°C (140°F) before emulsion formation. For optimal stability, it requires storage in a cool, dry environment, protected from light. While primarily for oral preparations, ascorbic acid (0.5-10.0%, ideally 1.0-7.0% by weight) has been noted to enhance its stability.
Safety
Safety Profile
Teprenone has not been specifically reviewed by the Cosmetic Ingredient Review (CIR) or the Scientific Committee on Consumer Safety (SCCS) for cosmetic use. The FDA does not pre-approve cosmetic ingredients, but products making drug-like claims are regulated as drugs. It is classified as 'Not Classified' by GHS hazard criteria. For topical application, it is generally considered non-irritating. However, oral administration (in contexts such as gastric treatments in some Asian countries) has rarely been associated with side effects including allergic reactions, headaches, liver issues, and cardiovascular concerns.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Teprenone is a valuable anti-aging ingredient, demonstrating significant improvements in hydration, barrier function, firmness, elasticity, and tone, along with reducing UV spots, pores, and redness, largely through its cellular longevity and protective mechanisms.
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References
Sources