Hi Yanika, depends on the product you are making. For example if you are making a lip balm, you will need: oils , waxes and butter. But you could add colors additives, essential oils , anything that is oil soluble as a lip balm is a oil based product (anhydrous). This unit is about type of cosmetics ingredients based on SOLUBILITY which is determination when you formulate . You will learn more as you go along.
So every skin care product has to have one of these ingredients to be good ? Or one of each?
Hi Yanika, depends on the product you are making. For example if you are making a lip balm, you will need: oils , waxes and butter. But you could add colors additives, essential oils , anything that is oil soluble as a lip balm is a oil based product (anhydrous). This unit is about type of cosmetics ingredients based on SOLUBILITY which is determination when you formulate . You will learn more as you go along.