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Carrier oils are a key component of many CBD products. They do more than dilute extracts; they significantly influence stability, oxidation behaviour and shelf life.
This article explains the role of carrier oils from a botanical and technical perspective. It outlines why oils are used, how they interact with the plant matrix and which factors are essential for stable formulations. Medical or health-related claims are deliberately avoided. The broader classification is provided by the root article Understanding CBD.
Function of carrier oils
Botanical extracts contain lipophilic plant compounds. Carrier oils allow uniform distribution and improve handling, dosing and processing.
They also act as protective media, reducing direct exposure of sensitive plant compounds to oxygen and slowing oxidative degradation.
Common carrier oils and their properties
Different oils show distinct fatty acid profiles that affect stability:
- MCT oil: High oxidative stability, neutral character.
- Hemp seed oil: Botanically consistent but more oxidation-prone.
- Olive oil: More stable than many seed oils, distinct profile.
The choice of carrier oil therefore affects both shelf life and sensory characteristics.
Stabilisation of botanical extracts
Stabilisation aims to slow natural degradation processes. Besides carrier oils, storage conditions, light protection and oxygen reduction are critical.
An appropriate oil cannot preserve the plant matrix indefinitely, but it can maintain structural integrity for longer periods.
Position within the CBD product structure
Understanding carrier oils complements extraction and shelf life topics. For further context, see Stability of botanical extracts, Storage and oxidation and the Variety of CBD products.