Hyssopus Officinalis (hyssop) extract is a plant-derived ingredient used in skincare for its purported antioxidant, anti-inflammatory, and antimicrobial properties, often included to soothe and condition the skin. It contains essential oils, flavonoids, and phenolic compounds that may contribute to its activity.
| Reported effect | How often | Notes |
|---|---|---|
| Contact dermatitis / skin irritation | Uncommon | May occur in sensitive individuals due to essential oil and terpene content. |
| Allergic sensitization | Rare | Plant-derived components can act as allergens in predisposed individuals. |
| Photosensitivity | Rare | Reported infrequently with some essential-oil-bearing botanicals. |
| Neurotoxic effects (from concentrated essential oil) | Very rare | Associated with ingestion or high concentrations of pinocamphone-containing oil, not typical topical cosmetic use. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.
Peer-reviewed papers on this ingredient, via PubMed.