Betaine is widely used in the personal care industry as a moisturizing agent due to its ability to retain water and improve skin hydration. It is commonly found in skincare products, shampoos, and conditioners to enhance texture and provide a soothing effect. In the food industry, betaine serves as a dietary supplement to support liver function and promote heart health. It is also added to animal feed to improve nutrient absorption and overall livestock health. Additionally, betaine is utilized in biotechnology as a stabilizing agent for proteins and enzymes during laboratory processes. Its versatility makes it valuable across various fields.