Astringent
COLLINSONIA CANADENSIS ROOT
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
Stone root (Collinsonia canadensis) — a North American herbal astringent with traditional use but thin modern cosmetic data.
Collinsonia canadensis root is a Lamiaceae-family North American herb, historically used by Indigenous peoples and in 19th-century Eclectic medicine as a venotonic and astringent. The root contains saponins, tannins, resin, rosmarinic acid, and small amounts of aromatic oil. EU CosIng lists it for skin-conditioning and astringent functions. No Annex II/III restrictions. No CIR or SCCS review. Topical cosmetic data is very limited, so conservative scoring applies.
Skin benefits
- Traditional astringent botanical
- Contains saponins and tannins
- Mild toning effect on skin
Known concerns
- Limited modern safety data
- Trace volatile compounds can sensitize
- Strong astringency can be drying
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related astringents
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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.