Humectant
JUNCUS DECIPIENS STEM WATER
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
Rush plant stem water — a quiet low-aroma hydrosol used for hydration claims. Benign for most, little literature to go on.
Juncus decipiens stem water is the steam-distilled hydrosol from the stems of a rush plant traditionally used in East Asian craftwork. As a cosmetic hydrosol it is used for mild hydration and skin-conditioning claims. The plant has low aromatic-compound content, so sensitiser load is modest. No EU CosIng restriction applies. Peer-reviewed cosmetic safety and efficacy data are sparse — the material is positioned more for its novelty and story than measured activity. Generally safe at rinse-off and leave-on levels.
Function
Skin benefits
- Mild hydration
- Low aromatic load
- Sensitive-skin-friendly
Known concerns
- Sparse peer-reviewed data
- Batch variability
- Novelty botanical
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.