Instacure Tension Reliever Scalp Soothing Serum, with liquid proteins, avocado oil, and biotin, relieves tension caused by protective styles while providing hair with a fresh boost for healthy-looking and feeling hair and roots with no flaking or residue. The refreshing leave-in formula works on all hair textures and types to soothe and nourish dry roots. No silicones, parabens, or sulfates.