N-oleoyl-ceramide-1-phosphate (ammonium salt) is primarily used in the field of dermatology and skincare. It plays a significant role in maintaining skin barrier function and hydration. This compound is often incorporated into moisturizers and anti-aging products due to its ability to enhance skin elasticity and reduce transepidermal water loss. Additionally, it is utilized in formulations aimed at repairing damaged skin, such as those designed for conditions like eczema or psoriasis. Its anti-inflammatory properties also make it valuable in soothing irritated skin and promoting overall skin health. In research, it is studied for its potential in regulating cellular signaling pathways involved in skin repair and regeneration.