Thuja Orientalis (Platycladus orientalis) extract is a plant-derived ingredient used in skincare and haircare for its antioxidant, anti-inflammatory, and reported hair-growth-stimulating properties. It contains flavonoids and other polyphenols studied primarily in the context of follicle stimulation and scalp care.
| Reported effect | How often | Notes |
|---|---|---|
Contact dermatitis / skin irritation | Uncommon | Localized redness or itching may occur, particularly in individuals sensitive to botanical extracts. |
Allergic sensitization | Rare | Plant terpenes and thujone-related compounds can trigger allergic reactions in predisposed individuals. |
Scalp tingling or mild burning | Rare | Reported with topical scalp formulations, usually transient. |
Photosensitivity | Very rare | Limited reports; data are insufficient to establish a clear causal link. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.