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CUCURBITA PEPO COTYLEDON EXTRACT.

Valuable / HAIR CONDITIONING, SKIN CONDITIONING

Cucurbita Pepo Cotyledon Extract is a sophisticated botanical ingredient derived from pumpkin seedcake, engineered to support skin's youthful appearance. This extract leverages its unique composition to visibly diminish signs of aging, enhance skin vitality, and provide antioxidant defense against environmental stressors. It's a versatile active suitable for comprehensive skincare formulations.

Summary

Antioxidant Skin-conditioning agent Emollient Humectant Collagen synthesis stimulator Fibrillin synthesis stimulator Collagen degradation inhibitor Fibrillin degradation inhibitor Anti-aging

Science

Mechanism of Action

This specialized extract, a hydrolyzed protein fraction from pumpkin seedcake, primarily targets the skin's structural integrity. It actively stimulates the biosynthesis of crucial proteins like collagen and fibrillin, while simultaneously inhibiting the enzymatic activities responsible for their degradation. This dual action contributes significantly to its anti-aging properties. Additionally, it provides antioxidant benefits, neutralizing free radicals that accelerate skin aging. The extract is naturally rich in beneficial compounds including fatty acids (e.g., linoleic, oleic), vitamins (A, C, E), fruit enzymes, AHAs, and essential minerals (Mg, K, Zn). Broader benefits observed in related pumpkin derivatives (seed, ferment, fruit extracts) include balancing the skin's microflora, strengthening its natural protective barrier, regulating sebum production, promoting cellular renewal, reducing inflammatory responses, and offering moisturizing and emollient effects through improved barrier function and reduced transepidermal water loss.

Research

Clinical Evidence

Medium confidence
Effective range N/A
Optimal

4%

Key findings

  1. 01 Demonstrated a visible smoothing of fine lines and wrinkles, concurrently improving overall skin vitality and tone.

Transparency

Dusting Analysis

Not commonly dusted

Available clinical data indicates efficacy at a 4% concentration, providing a basis for effective formulation rather than suggesting use at sub-efficacious levels.

The Formula

Formulation

Solubility
Water
Optimal pH 6.5 – 7.5
0 7 14

Stability

Optimal efficacy and stability are observed within a pH range of 6.5 to 7.5. For formulation, it is advised to incorporate the ingredient into an emulsion during the cool-down phase or directly into the water-phase if cold-processing. Sedimentation may occur upon standing, therefore, shaking the product thoroughly before use or incorporation is recommended.

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Low

While specific Cosmetics Ingredient Review (CIR) or SCCS evaluations for 'Cucurbita Pepo Cotyledon Extract' or 'Hydrolyzed Cucurbita Pepo (Pumpkin) Seedcake' are not documented, related pumpkin extracts and seed oil are generally considered safe for cosmetic application. Toxicological assessments of Cucurbitaceae seeds, including Cucurbita pepo, consistently report no evidence of carcinogenicity, genotoxicity, or oral toxicity, with minimal risk of dermal or ocular irritation. An aqueous extract of Cucurbita pepo Linn seed was deemed safe in acute toxicity studies at doses up to 5000 mg/kg b.w.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Unknown
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

Cucurbita Pepo Cotyledon Extract is a valuable anti-aging and skin-conditioning ingredient, evidenced by its mechanistic support for collagen and fibrillin and demonstrated clinical efficacy at 4% concentration, coupled with a favorable safety profile.

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