Back to Ingredient Dictionary

Walnut Oil

Description

Walnut oil, derived from the nuts of the Juglans regia tree, is a nutrient-rich ingredient gaining traction in skincare formulations. This golden oil is primarily composed of polyunsaturated fatty acids, with linoleic acid being the predominant component, followed by oleic acid. Its high antioxidant content, including vitamin E and polyphenols, contributes to its skin-protective properties.

The oil's molecular structure allows for efficient penetration into the skin, making it an effective emollient and moisturizer. It helps strengthen the skin barrier, reduce transepidermal water loss, and improve overall hydration. Walnut oil's anti-inflammatory properties can soothe irritated skin and potentially alleviate symptoms associated with conditions like eczema and psoriasis.

Furthermore, the presence of ellagic acid in walnut oil may offer photoprotective benefits, helping to shield the skin from UV-induced damage. Its antioxidant profile also supports collagen production and combats free radicals, potentially contributing to anti-aging effects. However, individuals with nut allergies should exercise caution when considering products containing walnut oil, as it may trigger allergic reactions in sensitive individuals.