Silybum Marianum (milk thistle) extract is a plant-derived ingredient rich in silymarin flavonolignans, used in skincare for its antioxidant and anti-inflammatory properties. It helps neutralize free radicals and may support protection against UV-induced oxidative stress.
| Reported effect | How often | Notes |
|---|---|---|
Contact irritation or mild redness | Uncommon | Possible in sensitive skin, generally transient. |
Allergic contact dermatitis | Rare | More likely in individuals sensitive to Asteraceae (ragweed, daisy) family plants. |
Itching or stinging on application | Rare | Typically mild and resolves after discontinuation. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.