{"id":19851,"date":"2026-07-20T06:00:11","date_gmt":"2026-07-20T05:00:11","guid":{"rendered":"https:\/\/www.cosmacon.de\/?p=19851"},"modified":"2026-05-03T11:01:20","modified_gmt":"2026-05-03T10:01:20","slug":"oleuropein","status":"publish","type":"post","link":"https:\/\/www.cosmacon.de\/en\/oleuropein\/","title":{"rendered":"Oleuropein"},"content":{"rendered":"

Oleuropein: A Natural Shield for Skin and Health\u2014and a Versatile Active Ingredient in Modern Cosmetics<\/h2>\n

Introduction: What Is Oleuropein?<\/h3>\n

Oleuropein is a phytochemical, more specifically a polyphenol, found primarily in the leaves and fruits of the olive tree (Olea europaea). The olive tree, often referred to as the \u201ctree of life,\u201d is an ancient cultivated plant that has been used in the Mediterranean region for thousands of years. In addition to its importance for nutrition and health, oleuropein is now also coming into focus in cosmetic research\u2014with promising results.<\/p>\n

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Occurrence in Nature<\/h2>\n

Oleuropein is found primarily in the leaves of the olive tree, but also in the skin and flesh of olives. The evergreen olive tree thrives in warm, sunny climates such as Southern Europe, North Africa, the Middle East, as well as parts of South America and Australia. It can grow up to 10 meters tall and reach a remarkable age of several hundred years. The flowering season begins in spring, and the olive harvest traditionally takes place in autumn.<\/p>\n

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Extraction and Production<\/h2>\n

Oleuropein is obtained through extraction from dried olive leaves. Modern extraction methods such as ultrasonic extraction or CO\u2082 extraction enable the gentle isolation of active ingredients with high purity. Standardized oleuropein powder typically contains at least 80% oleuropein and is available as a hygroscopic, pale yellow crystalline powder.<\/p>\n

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Physicochemical Properties of Oleuropein<\/h2>\n

INCI Name:<\/b> Olea Europaea (Olive) Leaf Extract<\/p>\n

CAS Number:<\/b> 8001-25-0<\/p>\n

Molecular Formula:<\/b> C25H32O13<\/p>\n

Appearance:<\/b> Pale yellow crystalline powder<\/p>\n

Physical State:<\/b> Solid<\/p>\n

Melting point:<\/b> approx. 165\u2013170 \u00b0C<\/p>\n

Solubility:<\/b> Moderately soluble in water, more soluble in ethanol<\/p>\n

Active ingredient content:<\/b> \u2265 80% oleuropein<\/p>\n

Recommended usage concentration:<\/b> 0.5\u20131% in cosmetic formulations<\/p>\n

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Efficacy and recommended usage concentration<\/h2>\n

Studies demonstrate that oleuropein exhibits antioxidant, antimicrobial, and anti-inflammatory properties at concentrations of 0.5% to 1% in cosmetic formulations. In vitro studies show that oleuropein is even more effective than vitamin E at scavenging free radicals and reducing oxidative stress. The EC\u2085\u2080 values are below 10 \u00b5M\u2014an indication of its high efficacy at low doses.<\/p>\n

Study results on efficacy<\/h3>\n