Betaine is widely used in the personal care industry as a moisturizing agent in skincare products, helping to hydrate and protect the skin from dryness. It is also added to shampoos and conditioners to improve hair texture and reduce frizz. In the food industry, betaine serves as a dietary supplement to support liver function and enhance physical performance. Additionally, it is used as a feed additive in animal nutrition to promote growth and improve feed efficiency. In agriculture, betaine acts as a stress protectant, helping plants withstand harsh environmental conditions such as drought or salinity. Its versatility makes it valuable across various industries.