Allium Sativum Stem Extract

Allium sativum stem extract is derived from the stems of the garlic plant (Allium sativum). It contains naturally occurring compounds including sulphur-based molecules that give garlic its characteristic properties. In skincare formulations, this extract functions as an antioxidant, humectant and skin conditioner.

The extract is obtained through solvent extraction of plant material, concentrating the bioactive compounds present in garlic stems. It is used in skincare products at relatively modest concentrations to support the skin's natural defences and maintain hydration.

The antioxidant action comes from sulphur-containing compounds naturally present in garlic, which can neutralise free radicals that contribute to skin oxidation and ageing. As a humectant, the extract draws water from the environment into the outer layers of skin, improving hydration and plumpness.

The antimicrobial properties appear to relate to compounds like allicin, which can affect the cell structure of certain microorganisms. However, the relevance of these effects to skincare use at typical formulation concentrations is not yet fully established in human skin studies.

Allium sativum stem extract is typically found in leave-on products such as serums, moisturisers and treatments rather than rinse-off formulas. Use as directed on the product label. If combining with other active ingredients, introduce gradually to monitor tolerance. As with any skincare product, consistency over time is more important than occasional use.