Science
Mechanism of Action
This extract exerts its effects through potent antioxidant, anti-inflammatory, and antimicrobial properties. As an antioxidant, it neutralizes free radicals, thereby protecting skin proteins from oxidative damage linked to fine lines and wrinkles. Its anti-inflammatory action soothes irritated and reddened skin, while antimicrobial activity can benefit acne-prone conditions. The extract also enhances skin hydration by improving moisturization and promoting the removal of dead skin cells. Specifically, hyperforin stimulates keratinocyte growth and differentiation, supporting skin renewal, while hypericin has demonstrated potential in reducing TNF-α concentrations in psoriatic skin.
Research
Clinical Evidence
Medium confidenceN/A
Key findings
- 01 Noted benefits for skin's barrier, soothing, and anti-aging effects.
- 02 Reduced PASI scores in mild plaque-type psoriasis. No change in minimal erythema dose (MED) regarding solar simulated radiation.
- 03 No change in minimal erythema dose (MED) in response to solar simulated radiation.
- 04 Reduced inflammation, itching, and redness of scars; improved acute pain, burning sensation, erythema, and vesiculation in HSV-1 and HSV-2 lesions.
Transparency
Dusting Analysis
There is no indication from the available research data that Hypericum Perforatum Flower Extract is commonly 'dusted' or utilized at sub-clinical percentages purely for marketing claims.
The Formula
Formulation
Stability
The stability of hypericin levels within Hypericum perforatum extracts can be variable, posing potential formulation challenges. Due to the complex nature of botanical extracts, careful excipient compatibility testing is crucial to ensure product stability and maintain ingredient efficacy.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel, in their 2014 assessment, concluded Hypericum perforatum-derived ingredients are safe for cosmetic use within concentrations ranging from 0.00002% to 0.07%. A primary safety consideration is the presence of hypericin, which is classified as a photosensitizer and has the potential to increase skin sensitivity to sunlight upon topical application. While specific studies with hypericin concentrations of 30 µg/mL and 110 µg/mL did not show an increase in minimal erythema dose, the general photosensitization risk should be acknowledged. The FDA has approved Hypericum perforatum as a natural flavoring substance in an alcohol distillate form free of hypericin for beverages, not for topical skincare in this specific form. Its use in cosmetic products within Europe is permissible under general provisions of the Cosmetics Regulation.
Your Skin
Skin Compatibility
Our Assessment
Verdict
This multifaceted botanical extract offers significant antioxidant, anti-inflammatory, and moisturizing benefits, making it a valuable addition for skin barrier support and anti-aging formulations, particularly within established safe concentration ranges, with due consideration for its photosensitizing potential.
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