Used in skincare formulations for its penetration-enhancing properties, helping active ingredients absorb more effectively into the skin. As a lipophilic ester of nicotinic acid, it slowly releases niacin to provide anti-inflammatory and skin-restoring benefits. It also provides a mild warming sensation, which can improve blood circulation when applied topically. Commonly found in anti-aging and slimming products due to its ability to support the delivery of other beneficial compounds.