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

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

Hypericum Perforatum (St. John's Wort) Leaf Extract is derived from the leaves of the Hypericum Perforatum plant, which is known for its medicinal properties. The extract is rich in bioactive compounds such as hypericin, hyperforin, and flavonoids, which have antioxidant and anti-inflammatory properties.

2. Use:

St. John's Wort Leaf Extract is commonly used in cosmetics for its skin-soothing and anti-inflammatory properties. It can help reduce redness, calm irritated skin, and promote overall skin health. Additionally, the extract has been shown to have a brightening effect on the skin, making it a popular ingredient in products targeting uneven skin tone and hyperpigmentation.

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

St. John's Wort Leaf Extract can be found in various skincare products such as serums, creams, and masks. It is typically used in concentrations ranging from 0.1% to 2% in formulations. However, it is important to note that St. John's Wort can make the skin more sensitive to sunlight, so it is recommended to use products containing this extract in conjunction with sunscreen during the day.

4. References:

- Schempp, C. M., & Schöpf, E. (2002). St. John's Wort and its active principles in dermatology. Der Hautarzt; Zeitschrift fur Dermatologie, Venerologie, und verwandte Gebiete, 53(4), 242-245.

- Schempp, C. M., & Müller, K. (2006). St. John's Wort extract: efficacy for the skin and potential for adverse effects. Skin Pharmacology and Physiology, 19(6), 291-297.

- Linde, K., Berner, M. M., & Kriston, L. (2008). St John's wort for major depression. The Cochrane Database of Systematic Reviews, (4), CD000448.