Skin Doctor Caviar Hair Serum 100ml SD-685 is a luxurious hair treatment designed to nourish and restore damaged hair. Infused with caviar extract, hydrolyzed keratin, and a blend of nourishing oils, this serum helps to repair split ends, reduce frizz, and enhance shine. Its lightweight formula provides deep hydration without weighing down the hair, leaving it soft, smooth, and manageable. Free from parabens, sulfates, and alcohol, it is suitable for all hair types and can be used daily to maintain healthy, vibrant hair.​