Science
Mechanism of Action
The extract functions by supplying the skin with a rich blend of signaling molecules such as PDGF, FGF, KGF, TGF-β1, HGF, and VEGF, alongside collagen, fibronectin, and antioxidants like SOD. These factors stimulate fibroblast migration and activity, enhance collagen synthesis, and inhibit melanin production by suppressing tyrosinase. Additionally, it aids in cellular regeneration and repair, modulates inflammatory responses, accelerates healing, and protects dermal fibroblasts from oxidative stress. It can also influence signaling pathways involved in UVB-induced aging, boosting antioxidant defenses and collagen production while mitigating collagen degradation.
Research
Clinical Evidence
Medium confidence5%
Key findings
- 01 Clinical studies at 5% concentration demonstrated increased skin moisture content, a reduction in transepidermal water loss (TEWL), noticeable improvements in skin whitening, and a significant decrease in wrinkle depth. The efficacy was further enhanced when formulated with polymersomes.
- 02 Another study observed substantial improvements in pore appearance, wrinkle severity, reduction of polarized and UV spots, and overall skin tone in individuals with photoaged skin.
- 03 Cosmetic formulations containing this extract, across concentrations ranging from 0.5% to 20%, have shown enhanced effects on wrinkle reduction, skin brightening, improved moisturization, and increased skin elasticity.
Transparency
Dusting Analysis
Given the ingredient's complex nature and advanced biotechnological origin, it is not typically 'dusted' at sub-efficacious percentages. Efficacy is observed within specific dose ranges.
The Formula
Formulation
Stability
This ingredient exhibits temperature sensitivity; lyophilized forms are stable at 2-8°C for up to two years, while liquid forms require short-term storage at 2-8°C (72 hours) or long-term at -20°C. Its proteinaceous composition suggests potential degradation at extreme pH values or elevated temperatures. Variability in preparation methods, donor characteristics, and tissue origin can influence the consistency and stability of the material.
Safety
Safety Profile
While direct safety assessments by CIR, SCCS, or FDA for 'HYDROLYZED HUMAN ADIPOSE STROMAL CELL CULTURE EXTRACT' are not readily available, related ingredients such as 'Human Adipose Derived Stem Cell Conditioned Media' have been flagged by EWG Skin Deep. These related ingredients are cited for 'Violation of government restrictions - Banned or found unsafe for use in cosmetics' by the EU Cosmetics Directive, and raise 'HIGH' concern for 'Developmental and Reproductive Toxicity' and 'Use Restrictions'. Conversely, numerous clinical and preclinical studies on Adipose-Derived Stromal Cells (ASCs) or their conditioned media generally report safety, with no severe adverse reactions or systemic toxicity observed. Due to regulatory concerns regarding related categories in some major markets, careful consideration is required.
Your Skin
Skin Compatibility
Our Assessment
Verdict
This ingredient demonstrates significant clinical efficacy across multiple anti-aging and skin health parameters; however, its classification and regulatory status for related ingredients in key markets (e.g., EU ban, EWG 'HIGH' concern for developmental toxicity) warrant a cautious approach for formulation.
Related
Similar Ingredients
Finding similar ingredients…
References
Sources