Juglans Nigra (Black Walnut) Extract

1. Definition Juglans Nigra (Black Walnut) Extract:

Black Walnut extract is derived from the Juglans Nigra tree, known for its dark-colored wood and edible nuts. The extract is obtained from the hulls of the nuts and is commonly used in cosmetics for its antioxidant, anti-inflammatory, and astringent properties.

2. Use:

Black Walnut extract is used in cosmetics for its ability to help improve the appearance of skin by reducing inflammation, fighting free radicals, and tightening pores. It is often found in products such as creams, serums, and masks aimed at addressing issues such as acne, eczema, and aging skin.

3. Usage Juglans Nigra (Black Walnut) Extract:

When using cosmetics containing Black Walnut extract, it is important to be cautious as it can cause skin irritation in some individuals, especially those with sensitive skin. It is recommended to do a patch test before applying the product to a larger area of skin. Additionally, it is advisable to follow the instructions provided by the manufacturer to ensure safe and effective use of the product.

4. References:

- Oliveira AC, Valentão P, Pereira JA, Silva BM, Tavares F, Andrade PB. Fatty acid composition of Juglans regia L. and Juglans nigra L. oils. Grasas y Aceites. 2008; 59(3): 223-228.

- Sánchez-Chaves M, López-Nicolás JM, Rodríguez-López AD, López-Hernández J. Antioxidant capacity of walnut (Juglans regia L. and Juglans nigra L.) leaves and hulls extracts. Industrial Crops and Products. 2015; 74: 449-457.

- Gao X, Ohlander M, Jeppsson N, Björk L, Trajkovski V. Changes in antioxidant effects and their relationship to phytonutrients in fruits of sea buckthorn (Hippophae rhamnoides L.) during maturation. Journal of Agricultural and Food Chemistry. 2000; 48(5): 1485-1490.