Hair Serum A 100% natural serum to tame frizzy hair 30ml €8.00 Quantity: at €8.00 each Out of Stock Out of stock. Swampy Hair serum is a wonderful blend of Coconut oil, Argan oil & Jojoba. These oils will smooth out frizz without a heavy, greasy feeling & keep your hair strong & healthy. 100% natural ingredients 100% vegan friendly Just spray a tiny amount in your palm & run through wet or dry hair. Style as usual.