Science
Mechanism of Action
This ingredient offers antioxidant protection through vitamins (C, E, K), amino acids, and various phytochemicals, which scavenge free radicals and defend against environmental stressors. It possesses anti-inflammatory properties that help soothe irritated skin, reduce redness, and alleviate puffiness. With its high water content and polysaccharides, it provides hydrating benefits essential for maintaining skin moisture. Cucumis Sativus Juice also acts as a mild astringent, assisting in tightening and toning the skin, potentially reducing the appearance of pores, and regulating oil production. Further benefits include mild antimicrobial action, a sebum secretion inhibitory effect, and potential subtle tyrosinase inhibiting (skin brightening) activity. Triterpenes within the extract may also contribute to wound healing.
Research
Clinical Evidence
Low confidenceN/A
Key findings
- 01 A topical cream containing 3% hydroalcoholic cucumber fruit extract demonstrated good formulation stability and showed anti-sebum secretion, bleaching, and moisturizing effects over a 4-week period. However, these effects were statistically insignificant compared to the base (vehicle) for parameters such as skin melanin, erythema, skin moisture, skin sebum, and transepidermal water loss (TEWL).
Transparency
Dusting Analysis
While Cucumis Sativus Juice is widely perceived for its soothing and hydrating benefits, the available clinical data on a 3% hydroalcoholic extract indicates statistically insignificant effects on key skin parameters compared to a vehicle. This suggests that although it may contribute to product stability and subjective benefits, its measurable biological impact at this concentration lacks robust scientific substantiation, making it susceptible to inclusion at insufficient levels for significant efficacy ('dusting') in formulations.
The Formula
Formulation
Stability
The natural pH of cucumber extract is approximately 4.1. While a specific optimal pH range for stability in cosmetic formulations is not precisely defined, it is frequently incorporated into products designed to function at acidic pH levels (e.g., pH 3-5).
Conflicts
- May potentially interfere with the efficacy of low pH cleansers if incorporated in high, undiluted concentrations that could alter the skin's natural acidic pH.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has deemed Cucumis Sativus (Cucumber) Juice and its derivatives safe for use in cosmetic formulations under current practices. The FDA's classification of cucumber as a frequently consumed raw vegetable further supports its general mildness and safety profile. Formulators are advised to mitigate potential concerns regarding pesticide residues and heavy metals common in botanical ingredients.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Cucumis Sativus Juice is a valuable ingredient for its soothing, hydrating, and astringent qualities, offering broad compatibility across all skin types, though clinical evidence for statistically significant measurable efficacy at commonly studied concentrations remains limited.
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