Used in skincare formulations for its moisturizing and hydrating properties. Helps maintain skin barrier function by supporting natural lipid structure. Often included in anti-aging products due to its ability to improve skin elasticity and reduce dryness. Also studied for potential cognitive support in dietary supplements, as it may serve as a precursor to acetylcholine, a key neurotransmitter involved in memory and learning. Found in some ophthalmic solutions for its cell-membrane stabilizing effects.