Bioflavonoids are a group of plant-derived polyphenolic compounds used in skincare for their antioxidant and anti-inflammatory properties, helping to neutralize free radicals and support skin barrier function. They are also reported to help strengthen capillaries and reduce visible redness.
| Reported effect | How often | Notes |
|---|---|---|
Mild skin irritation or stinging | Uncommon | More likely in sensitive skin or at higher concentrations |
Allergic contact dermatitis | Rare | Possible sensitization to specific plant-derived flavonoids |
Transient redness | Rare | Usually resolves shortly after application |
Temporary skin discoloration or staining | Very rare | Some pigmented flavonoid extracts may leave residual tint |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.
Peer-reviewed papers on this ingredient, via PubMed.