The Alterna Infinite Color Hold Dual Use Serum is a fantastic hair treatment that has a triple effect on your hair. It rejuvenates your hair's color, protects it from heat damage, and adds a stunning shine. The serum can be used as a leave-in treatment to strengthen your hair and protect it from the inside out, preventing color fading and hair breakage, or as a finishing serum to smooth out frizz and make your hair shiny and glossy. It can also protect your hair from heat up to 450°F, making it ideal for use before styling with hot tools. The serum contains bamboo and Kalahari melon extracts that fortify your hair and shield it from environmental damage, while also providing it with essential vitamins and minerals to help promote healthy hair growth. This serum is a versatile and effective product that is perfect for maintaining your hair color vibrancy and achieving healthy, beautiful hair.