Camphor is also available in brown and yellow designations. This refers to the 2nd and 3rd filter expression of the initial steam distillation that is rectified to remove the camphor crystals. Only the White should be used as the others contain high levels of safrols and are low grade carcinogens. Used topiclly for acne, chapped skin,oily skin and inflammation. Used in massage for arthritis, muscle aches and sprains. This oil is an anti inflammatory, antiseptic and analgesic. As an inhalant during colds, fever, flu and bacterial respiratory infections. Cancels out homeopathic remedies.