What it is: A lightweight, milky serum containing several moisturizing factors found naturally within the skin to support scalp hydration. Hair Type: Fine, Medium, and Thick Hair Texture: Straight, Wavy, Curly, and Coily Hair Concerns: - Flaky/Dry Scalp Key Benefits: - Provides scalp hydration - Addresses overall scalp health Highlighted Ingredients: 1 - Hyaluronic Acid - Provides skin hydration and scalp barrier function support 2. Squalane - Provides skin hydration and scalp barrier function support 3. Natural Moistuzing Factos (NMF) - Moisturizing ingredients that mimic the function of NMF in the skin Ingredient Callouts: Free of parabens, formaldehydes, formaldehyde-releasing agents, phthalates, mineral oil, retinyl palmitate, oxybenzone, coal tar, hydroquinone, sulfates SLS & SLES, triclocarban, triclosan, and contains less than one percent synthetic fragrance. It is also vegan, gluten-free, cruelty-free, and comes in recyclable packaging. What Else You Need to Know: Natural Moisturizing Factors + Hyaluronic Acid Scalp Serum provides skin hydration and scalp barrier function support. The Ordinary’s most-loved moisturizer—now formulated for the scalp. Fragrance Description: Fragrance-free.