Base oils

What is a base oil?
 
Base oils are extracted from the most fatty parts of the plant, such as the nuts and seeds. Carrier oils are used to dilute essential oils, which can irritate or redden the skin if applied in concentrated form. Base oils have a structure very close to human fat tissue and therefore penetrate very easily. They help the skin to absorb the otherwise hard-to-absorb essential oils. Base oils do not have an unlimited life - due to their high fat content, they go rancid (oxidize) over time. Some base oils (such as cocoa, coconut, shea butter) solidify at lower temperatures - leave at room temperature or melt in a water 'bath' (not boiling) water to preserve their properties.
 
Examples of carrier oils: argan, rosehip, almond, jojoba, grape seed, apricot, chia, sesame, wheat germ, etc.
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