Designed for all hair types, this daily cooling serum is powered by bioactive Amino M³ Complexand formulated to offer instant cooling relief to itchy scalps. This leave-on serum reduces flakes while balancing the scalp microbiome for a clear and healthy scalp. * 2.2oz/65mL * Fragrance-free serum * Best for: fine, curly, thick, and coily hair types * Cruelty-free, vegan, paraben-free, sulfate free, and silicone free **Key Ingredients:** * Amino M³ Complex: balances the scalp microbiome * Peppermint Oil: cools the scalp and relieves it of discomfort and itchiness * Fireweed Extract: clears up flakiness, scales, harmful sebum, and visible irritation **How To Use:** Apply 2-3 pipettes onto a clean scalp. Massage into the scalp evenly. Leave on and do not rinse. Read our editorial to find out why this scalp serum made our Best In Beauty list for 2023! | Act + Acre Microbiome Cooling Scalp Serum at Free People