ELEGANCE HAIR SERUM | SMOOTHING SERUM | DAMAGED HAIR SERUM TREATMENT A hair serum is a silicone-based product that coats the surface of your hair, unlike hair oil that penetrates the hair cuticles and causes changes in the hair structure. A serum is designed to prevent your hair from getting tangled and gives your hair softness and shine while protecting it from sun exposure, pollutants, dust, and grime. Our hair serum will provide a shiny hair with a healthy glow, this transparent formula gives you a natural healthy look. Nourishes your hair for a more natural look Enriched with aloe vera Softens and smooths your hair Provides a long lasting shine Strengthens your hair Helps stop frizziness and tangling When to apply it? Can be applied to dry or damp hair before styling, or sparingly on newly styled hair. Serum Effectiveness: All day long. Size: 9.0oz/260ml. This product is sold by weight not volume.