Best For Skin Types
All, Sensitive, Combination
Addresses
Usage Frequency
Daily
What Is Phaseolus Radiatus Seed Water?
Phaseolus radiatus seed water is an aqueous extract derived from mung beans (Phaseolus radiatus), a legume commonly used in food and traditional medicine across Asia. The ingredient is obtained by processing mung bean seeds to create a water-soluble extract that contains naturally occurring compounds including polysaccharides, amino acids, and trace minerals.
In skincare formulations, this ingredient functions primarily as a hydrating and conditioning agent. It is used in relatively modest concentrations to support skin hydration and provide a mild soothing effect, though it is not typically positioned as an active treatment ingredient.
How It Works
The hydrating effect of mung bean seed water comes primarily from its polysaccharide and amino acid content, which can help the skin retain moisture. These compounds work at the surface level to support the skin's natural moisture barrier and improve the overall feel and appearance of the skin.
The ingredient may also contain compounds with mild antioxidant properties, though the extent to which these are active in skincare products at typical use levels remains unclear. Its soothing effect is likely due to a combination of these natural constituents, though further research would help clarify the specific mechanisms.
Clinical Evidence & References
Published clinical research on phaseolus radiatus seed water in cosmetic formulations is limited. Most evidence for its benefits comes from traditional use and in vitro studies suggesting the ingredient contains compounds with antioxidant and hydrating potential. However, controlled human studies demonstrating specific efficacy in skincare are scarce.
The ingredient is generally recognised as safe in cosmetic use and is included in formulations for its mild hydrating and conditioning properties. Until more rigorous clinical data becomes available, it is best viewed as a supportive hydrating ingredient rather than a primary treatment agent for specific skin concerns.
How to Use
Phaseolus radiatus seed water is typically used as part of a toner, essence, or hydrating serum, often applied after cleansing and before heavier creams or treatment serums. It works well in multi-step routines and can be layered with other hydrating or active ingredients. No special precautions are needed for daily use, though as with any new ingredient, introducing it gradually is sensible if you have very reactive skin.
Safety & Precautions
Frequently Asked Questions
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A synthetic glycol-based polymer | Functions as a solvent in skin care products
Perfluorodecalin
A synthetic fluid that conditions skin and aids ingredient delivery in specialised treatments
Perfluorohexane
Synthetic ingredient, classified as a perfluorocarbon | Solvent and texture-enhancing ingredient that may increase oxygen to skin
Phenylpropanol
A fragrance compound that masks odour and adds scent to skincare formulations
Phospholipids
Occur naturally in skin and can be derived from plant and animal sources | Are hygroscopic, meaning they attract water from surrounding air and hold it where hydration is needed
Pinus Palustris Wood Tar
A wood-derived denaturant used to render other ingredients unsuitable for consumption
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