Used in plant tissue culture to promote cell division and shoot formation, enhancing plant growth and development. Applied in agriculture to delay leaf senescence, improving crop yield and quality. Utilized in horticulture for extending the shelf life of cut flowers and leafy vegetables. Also employed in research to study plant aging and stress responses. In cosmetics, kinetin is incorporated into skincare products to reduce wrinkles, stimulate skin cell renewal, and promote a youthful appearance.