Hypericum Perforatum (St. John's Wort) Leaf Extract

Hypericum perforatum leaf extract is a plant-derived component obtained from St. John's wort foliage. Its polyphenol-rich composition is often included in skincare to support antioxidant protection and a calming, conditioned feel.
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Ingredient Snapshot

Overview
A St. John's wort extract that calms skin but may raise sun sensitivity.
Category
Antioxidant, Soothing, Skin Conditioning
Type
Botanical Extract

Ingredient Ratings

Overall Rating

Fair

Comedogenic Risk

None

Skin Benefits

Helps counter everyday environmental stress and can visibly calm upset skin; evidence in cosmetics is moderate and it may increase sun sensitivity.

Uses In Skincare & Cosmetics

Appears in soothing toners, moisturizers, and recovery balms designed for reactive complexions; typically recommended alongside daily sunscreen.

Comedogenic Rating

This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.

Safety

May increase photosensitivity and can irritate reactive or sensitized skin; patch test and pair with daily sunscreen. Avoid use before intense UV exposure and discontinue if redness or stinging occurs.

Is Hypericum Perforatum (St. John's Wort) Leaf Extract a Good Ingredient?

Rated Fair because the plant polyphenols may offer soothing and antioxidant support, but the data is limited and extract composition varies. It also contains photosensitizing constituents such as hypericin that can raise irritation and sun-sensitivity risk, which is enough to keep it out of Good territory.