Cucumis Sativus Fruit Water

Cucumis Sativus (cucumber) fruit water is primarily a dilute botanical aqueous used for soothing/humectant support, typically making up a significant portion of the water phase, and is generally well-tolerated. However, as a plant-derived water it can contain trace bioactive compounds that have produced occasional stinging or contact dermatitis in highly reactive or eczema-prone patients, especially on compromised skin. Given this non-zero but low real-world risk compared with purified water, it fits best as very gentle rather than inert. Safety Notes: In mass-market leave-on lotions/serums and many rinse-off cleansers, cucumber fruit water is commonly used as a minor botanical aqueous component or label claim ingredient around ~0.1–5%, often alongside (or instead of) cucumber extract. At the high end, consumer-available facial mists/toners and “botanical water” sprays are sold where cucumber fruit water is used as the primary carrier phase (often listed first), reaching ~50–99.5% depending on whether preservatives/solubilizers/fragrance are included. This ingredient is not specifically restricted by major cosmetic regulations, so practical limits are driven by preservation, odor/color stability, and supply/standardization rather than legal maximums.