Tea Tree Oil can usually be bought in large pharmacies, or in grocery stores. Anonymous
There are many stores that sell peppermint oil including some grocery stores. You can also buy it in stores that sell cake decorating supplies or herbal supply shops.
Try Whole Foods or Kings. Otherwise, order it off the internet.
In my area of north Idaho, Murphy's is found in hardware stores in the housecleaning department. You don't see it often, here, in grocery stores.
There are a number of different stores that sell anise oil. These include Walmart and Amazon. It is also sold at health food stores.
Indian cuisine uses mustard oil. Maybe an ethnic Indian or Asian market would carry it.
Just buy it from the grocery market
Peppermint oil has many household uses. In Clarksville, Tennessee it is available in the bakery section of grocery stores, natural herb stores, and general stores
Hawaiian Macadamia Oil is in most of the grocery stores in Hawaii under the Oils of Aloha brand. Available as: Hawaii's Gold, Pele's Fire, Garlic Isle, Haleiwa Heat and Kauai Herb.
Cooking Oil, and magazines
Mustard oil in Tamil is called "kadugu ennai".
its call mustard oil comes from mustard plant