For healthy hair, use The Ordinary Multi-Peptide Serum For Hair Density. Designed using a concentrated formula, this serum supports the growth of healthy hair for a thicker and fuller look. It is super lightweight for faster penetration into the scalp and is formulated using special technologies such as Redensyl complex, which targets stem cells as well as fibroblasts in the dermal papilla to help increase hair density; Procapil peptide complex, which supports increased blood flow to the scalp and Baicapil complex, which aids in increasing hair volume and thickness of individual hair strands. Apart from adding volume, this serum also helps to correct flaky and dry scalp. It is recommended for straight, coily, curly, and wavy hair types and thick, fine, and medium hair textures. When using this serum, apply a few drops to a clean scalp and thoroughly massage the product into the scalp. Apply once every day, preferably at night. This serum is a leave-in treatment, and there is therefore no need to wash your hair after application. Alcohol-free, Gluten-free, Cruelty-free, Silicone-free, Nut-free, 100% vegan.