The Aveda Smooth Infusion Style-Prep Smoother is a vegan anti-frizz heat protect serum designed for knotted and unruly hair. This product from Aveda is a shampoo treatment that helps to smooth and tame frizz, making it perfect for creating sleek and polished hairstyles. It is a 100ml size and is a must-have for those looking to achieve a salon-quality finish at home.