Science
Mechanism of Action
This ingredient interacts with the skin through several mechanisms. It provides robust antioxidant protection, owing to its content of vitamins A, C, E, beta-carotene, and phenolic compounds, which collectively neutralize free radicals. Essential fatty acids, including linoleic, oleic, palmitic, and stearic acids, reinforce the skin's surface layers and barrier function, effectively reducing transepidermal water loss and promoting a more hydrated and even-toned appearance. The extract's amino acids contribute to maintaining skin integrity, while its components may also stimulate collagen production to strengthen skin structure and aid in recovery from damage or dehydration. Furthermore, some forms contain fruit enzymes and alpha hydroxy acids for gentle exfoliation, encouraging cell renewal. It also supports a balanced skin microbiome, helps regulate sebum production, and offers soothing anti-inflammatory benefits.
Research
Clinical Evidence
Low confidenceN/A
Key findings
- 01 An in vitro study demonstrated that Cucurbita spp. peel extracts were non-cytotoxic for human keratinocytes at 1000 µg/mL, suggesting non-irritant potential, and exhibited antioxidant activity and in vitro SPF values.
Transparency
Dusting Analysis
The provided research data does not contain information regarding the 'dusting' phenomenon or associated thresholds for this ingredient.
The Formula
Formulation
Stability
Phytoplacenta extracts are typically water-soluble and commonly formulated in aqueous and glycerin mixtures. While a precise optimal pH range for Cucurbita Pepo Phytoplacenta Extract is not explicitly stated, related Cucurbita pepo flower extracts have shown stability with pH regulation up to 5.3. Nanoencapsulation may improve the stability and delivery of general Cucurbitaceae seed extracts.
Safety
Safety Profile
Cucurbita Pepo Phytoplacenta Extract has not been specifically reviewed by the Cosmetic Ingredient Review (CIR) or the Scientific Committee on Consumer Safety (SCCS). It is listed in the CosIng database for skin conditioning (emollient, humectant) and skin protecting functions without specified restrictions. In vitro studies on related Cucurbita pepo extracts (e.g., peel) indicate non-cytotoxicity and low irritation potential for human keratinocytes at concentrations up to 1000 µg/mL. While generally well-tolerated topically, individuals with known pumpkin sensitivities may experience allergic reactions.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Cucurbita Pepo Phytoplacenta Extract is a valuable, multifaceted botanical asset, providing significant antioxidant protection, barrier support, and soothing properties, making it highly versatile across a broad spectrum of skincare formulations and skin types.
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