Science
Mechanism of Action
Human Placental Protein functions through a complex array of biologically active components, including various growth factors such as Fibroblast Growth Factors (FGFs), Transforming Growth Factors (TGFs), and Keratinocyte Growth Factor (KGF). These growth factors are known to stimulate fibroblasts, thereby promoting increased collagen and elastic fiber synthesis, and contributing to dermal hyaluronic acid production. Additionally, it contains stem cell-derived exosomes that help modulate inflammatory responses and facilitate tissue regeneration. The protein content, including amino acids and peptides, acts as a film-forming and restructuring agent, improving surface hydration and reducing trans-epidermal water loss (TEWL). Its antioxidant properties contribute to protecting against environmental damage, while its anti-inflammatory effects can soothe irritated skin and potentially mitigate hyperpigmentation.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
Due to significant safety concerns, regulatory prohibitions in major markets like the EU, and insufficient data regarding its specific concentration and efficacy, Human Placental Protein is not an ingredient typically 'dusted' at low, ineffective concentrations. Its inclusion in formulations faces fundamental challenges related to safety and regulatory compliance rather than dosage optimization for claims.
The Formula
Formulation
Stability
An optimal pH range of 5.0-7.0 is indicated for general 'Placental Protein,' though this may not be specifically confirmed for 'Human Placental Protein.'
Conflicts
- Not widely reported for specific chemical incompatibilities, but human-derived ingredients are prohibited in the European Union (Cosmetics Regulation no. 1223/2009/entry 419/Annex II) due to concerns about the transmission of human spongiform encephalopathies and viral diseases (e.g., HIV).
- Should be formulated to be free of detectable pathogenic viruses or infectious agents.
- Must not deliver any metabolic or endocrine activity, addressing concerns about estrogenic hormones or other biologically active substances that may lead to endocrine disruption.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) has deemed data insufficient to support the safety of human placental ingredients, requiring further information on skin sensitization, reproductive/developmental toxicity, photosensitization, genotoxicity, and ocular toxicity. There are noted concerns regarding weak endocrine disruption. While the FDA and EU Cosmetics Regulation allow placental extracts if sterilized and free from infectious agents, the EU explicitly prohibits human-derived ingredients due to disease transmission risks. The FDA also advises against their use if they contain estrogenic hormones or biologically active substances. Current applications must ensure no metabolic/endocrine activity.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Despite potential benefits, Human Placental Protein carries substantial safety concerns, an 'insufficient data' CIR status, potential endocrine disruption, and is prohibited in the EU, rendering it an unsuitable ingredient for precision skincare formulations.
Related
Similar Ingredients
Finding similar ingredients…
References
Sources