Rosemary can be used to make an infusion for hair and skin. It is reported to relieve dandruff and hair loss. When applied as a tea after shampooing it helps to give hair shine. It can also be infused into oils for aiding in skin conditions. Rosemary is also a natural pest repellant and can be used in your pest repellant preparations. It will give a sandy cream color with green hues when added to soap.