YUCCA FILAMENTOSA ROOT
Surfactant
Good
CAS Number: 90147-58-3
About YUCCA FILAMENTOSA ROOT
Yucca root — a saponin-containing botanical that delivers mild natural foam. Gentle on skin but can sting eyes in wash-off products.
Detailed Analysis
Yucca filamentosa root (Adam's needle) is rich in steroidal saponins, which act as natural surfactants and mild cleansing agents. It appears in shampoos, cleansers, and conditioning treatments where it contributes foam and skin-softening effects. Listed in EU CosIng with skin-conditioning and surfactant-cleansing functions; no SCCS restrictions at typical use levels. Saponins are known eye-mucosal irritants at high concentration, so formulators favour low inclusion (under ~1%) in rinse-off formats. Topical clinical data is sparse; safety is inferred from long ethnobotanical use and general saponin toxicology. Evidence level moderate — the mechanism is well understood but cosmetic-specific human trials are limited.
Skin Benefits
- ✓ Mild natural foaming
- ✓ Gentle cleansing action
- ✓ Traditional botanical heritage
Known Concerns
- ⚠ Eye irritation potential from saponins
- ⚠ Extract-to-extract variability
Safety Score
Good
Based on EU regulatory data, published safety research, and ingredient function analysis.
References
EU CosIng Database
European Commission cosmetic ingredient registry
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