The ingredient narratives reshaping clean beauty.
Knotgrass Extract
aka polygonum aviculare extract · common knotgrass extract
A botanical extract with anti-inflammatory and antioxidant properties used in colour cosmetics. The avicularin (flavonol glycoside) content provides the mechanism for skin-comfort claims in soothing concealers.
- Anti-inflammatory via avicularin and quercetin content
- Antioxidant activity
- Mild astringent via tannin content
- Skin soothing in colour cosmetic context
- Polyphenol-rich botanical
- Concealer formulas with soothing claims
- Foundation bases
- Sensitive skin colour cosmetics
- Anti-redness tinted products
- Soothing primers
Aqueous or hydroalcoholic extract. Quercetin content oxidation-sensitive — antioxidant pairing recommended. Tannin content may cause transient staining in very high concentrations.
Evidence base is primarily in vitro. Clinical evidence specifically for knotgrass as a cosmetic active is very limited. Botanical anti-inflammatory narrative in colour cosmetics may overstate functional benefit at typical make-up extract concentrations.
Broadly accepted in clean beauty as botanical soothing ingredient. Less well-known consumer recognition than chamomile or centella.
The ingredient narratives reshaping clean beauty.
Knotgrass Extract
aka polygonum aviculare extract · common knotgrass extract
A botanical extract with anti-inflammatory and antioxidant properties used in colour cosmetics. The avicularin (flavonol glycoside) content provides the mechanism for skin-comfort claims in soothing concealers.
- Anti-inflammatory via avicularin and quercetin content
- Antioxidant activity
- Mild astringent via tannin content
- Skin soothing in colour cosmetic context
- Polyphenol-rich botanical
- Concealer formulas with soothing claims
- Foundation bases
- Sensitive skin colour cosmetics
- Anti-redness tinted products
- Soothing primers
Aqueous or hydroalcoholic extract. Quercetin content oxidation-sensitive — antioxidant pairing recommended. Tannin content may cause transient staining in very high concentrations.
Evidence base is primarily in vitro. Clinical evidence specifically for knotgrass as a cosmetic active is very limited. Botanical anti-inflammatory narrative in colour cosmetics may overstate functional benefit at typical make-up extract concentrations.
Broadly accepted in clean beauty as botanical soothing ingredient. Less well-known consumer recognition than chamomile or centella.