Houttuynia cordata extract is a plant-derived ingredient valued in skincare for its antioxidant, anti-inflammatory, and antimicrobial properties, often used to calm sensitive or acne-prone skin. The '10' typically denotes a concentration or dilution ratio of the standardized extract.
| Reported effect | How often | Notes |
|---|---|---|
| Contact irritation (redness, stinging) | Uncommon | More likely in sensitive skin or at higher concentrations. |
| Allergic contact dermatitis | Rare | Botanical sensitization possible in predisposed individuals. |
| Itching | Uncommon | Usually mild and transient. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.
Peer-reviewed papers on this ingredient, via PubMed.