We have featured a range of ingredients in the course including those that are more common and easy to obtain. You can find an ingredient starter list here: www.schoolofnaturalskincare.com/wp-content/uploads/2020/03/Diploma-in-Natural-Haircare-Formulation-Ingredient-Starter-List.pdf
As part of the course you will receive a comprehensive global supplier list featuring hundreds of cosmetic suppliers all around the world. A shorter supplier list is available on our website here: www.schoolofnaturalskincare.com/recipes-info/recommended-suppliers/
Depending on where you are based and what you want to buy you may need to order specialist ingredients from overseas. It is also possible to substitute ingredients for similar ones.