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Moumoujus

CUCURBITA MAXIMA FRUIT EXTRACT.

Valuable CAS 89998-02-7 / SKIN CONDITIONING

Cucurbita Maxima Fruit Extract, derived from the giant pumpkin, is a rich source of beneficial bioactive compounds, including carotenoids, flavonoids, and vitamins. This extract offers multifaceted benefits, primarily functioning as an antioxidant, humectant, and skin protectant to promote a healthier and more resilient complexion.

Summary

Antioxidant Humectant Skin Conditioning Soothing Anti-inflammatory Anti-aging Skin Protecting

Science

Mechanism of Action

The extract's efficacy is attributed to its high concentration of bioactive compounds, such as beta-carotene, lutein, zeaxanthin, flavonoids, phenols, and vitamins B, C, and E. These components collectively provide potent antioxidant action by neutralizing reactive oxygen species, thereby mitigating oxidative stress. Additionally, it acts as a humectant, drawing and retaining moisture in the skin, and contributes to overall skin protection. Studies also note its anti-inflammatory, anti-aging, and soothing properties.

Research

Clinical Evidence

Medium confidence
Effective range 0.05–0.1%
Optimal

0.1%

Key findings

  1. 01 Clinical evaluation of Cucurbita moschata polysaccharide extract at concentrations of 0.05% to 0.1% demonstrated a significant increase in skin moisturizing ability in human volunteers, with no reported skin irritation.
  2. 02 In vitro assessments of Cucurbita spp. peel extracts showed they were non-cytotoxic to human keratinocytes and considered non-irritant for the skin at concentrations up to 1000 µg/mL (0.1%).

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH 4 – 6.5
0 7 14

Stability

This extract is typically prepared in water and glycerin. Its optimal stability range is between pH 4.0 and 6.5, a range generally consistent with extracts from related Cucurbita species.

Safety

Safety Profile

CIR Status
Not reviewed
Max tested
0.1%
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) has not formally reviewed Cucurbita Maxima Fruit Extract, citing insufficient data. However, in vitro studies on related Cucurbita spp. peel extracts indicate non-cytotoxicity to human keratinocytes and non-irritancy to the skin at concentrations up to 0.1% (1000 µg/mL).

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
No Oily
Yes Sensitive
Irritancy Low
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

Cucurbita Maxima Fruit Extract is a valuable ingredient, offering antioxidant, hydrating, and soothing benefits with a low risk of irritation, making it suitable for a wide range of skin types.

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