A Guide to Carrier Oils in AROMATHERAPY
- Lee-Anne Willats
- Aug 22, 2024
- 13 min read

Carrier oils are used as a base to dilute concentrated essential oils. By doing so, it makes the essential oil safe for topical use and in DIY recipes. Carrier oils are vegetable oils derived from the fatty portions of plants. They are used to dilute essential oils and absolutes before they are applied to the skin in massage and aromatherapy. Carrier oils do not evaporate like essential oils, and they help to carry the essential oil onto the skin.
In addition, carrier oils can provide skin benefits on their own. Some common carrier oils for essential oils include jojoba oil, sweet almond oil, grapeseed oil, and fractionated coconut oil. Each oil has its own unique properties, so it's important to choose an oil that is suited for your specific needs.
What are Carrier Oils?
A carrier oil is a vegetable oil made from the fatty portion of a plant, usually from the seeds, nuts, or kernels. Each carrier oil has a different combination of health benefits and therapeutic properties. Depending on the benefit or characteristic being sought will determine the choice of carrier oil.
Why use Carrier Oils?
Carrier oils are used as a base to dilute concentrated essential oils. By doing so, it makes the essential oil safe for topical use and in DIY recipes. If essential oils are applied to the skin directly, they can cause irritation, burning, or redness. The carrier oil is used to help “carry” the essential oil onto the skin.
What is a Comedogenic Rating of a Carrier Oil?
Carrier oils have a comedogenic rating, which indicates how likely any given oil is to clog your pores. The comedogenic rating of carrier oils is as follows:
Comedogenic Rating of 0: No risk; Will not clog your pores.
Comedogenic Rating of 1: Low risk; Slight chance of clogging pores.
Comedogenic Rating of 2: Moderately low risk; Will not clog pores for MOST people. May cause clogged pores of a “purge” in some.
Comedogenic Rating of 3: Moderate risk; Breakouts depend on skin type, many people will break out.
Comedogenic Rating of 4: Fairly high risk; Most people will break out, but depends on skin type.
Comedogenic Rating of 5: High risk; Will cause breakouts, few people can tolerate this type of oil.
Complete List of Carrier Oils:
Apricot Kernel Oil (Prunus armeniaca) - Comedogenic Rating of 2 |
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Argan Oil (Argania spinosa) - Comedogenic Rating of 0 |
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Arnica Oil (Arnica montana) - Comedogenic Rating of 2 |
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Avocado Oil (Persea americana) - Comedogenic Rating of 2 |
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Baobab Oil (Adansonia digitata) - Comedogenic Rating of 2 |
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Black Cumin Seed Oil (Nigella sativa) - Comedogenic Rating of 2 |
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Borage Oil (Borago officinalis) - Comedogenic Rating of 2 |
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Calendula Oil (Calendula officinalis) - Comedogenic Rating of 1 |
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Camellia Oil (Camellia oleifera) - Comedogenic Rating of 1 |
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Carrot Seed Oil (Daucus carota) - Comedogenic Rating of 3-4 |
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Castor Oil (Ricinus communis) - Comedogenic Rating of 1 |
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Cocoa Butter (Theobroma cacao) - Comedogenic Rating of 4 |
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Coconut Butter (Theobroma cacao) - Comedogenic Rating of 2 |
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Coconut Oil (Cocos nucifera) - Comedogenic Rating of 4 |
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Cucumber Seed oil (Cucumis sativus) - Comedogenic Rating of 1 |
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Cupuacu Butter (Theobroma grandiflorum) - Comedogenic Rating of 1-2 |
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Evening Primrose Oil (Oenothera biennis) - Comedogenic Rating of 2-3 |
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Fenugreek Oil (Trigonella foenum-graecum) - Comedogenic Rating of 2-3 |
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Fractionated Coconut Oil - Comedogenic Rating of 2-3 |
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Grapeseed Oil (Vitis vinifera) - Comedogenic Rating of 1 |
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Guava Seed Oil (Psidium guajava) - Comedogenic Rating of 1-2 |
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Hazelnut Oil (Corylus avellana) - Comedogenic Rating of 1 |
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Hemp Seed Oil (Cannabis sativa) - Comedogenic Rating of 0 |
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Jojoba Oil (Simmondsia chinensis) - Comedogenic Rating of 2 |
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Kokum Butter (Garcinia indica) - Comedogenic Rating of 2 |
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Kukui Nut Oil (Aleurites moluccanus) - Comedogenic Rating of 2 |
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Macadamia Oil (Macadamia integrifolia) - Comedogenic Rating of 2-3 |
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Mango Butter (Mangifera indica) - Comedogenic Rating of 2 |
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Maracuja Oil (aka Passion Fruit Seed Oil) (Passiflora) - Comedogenic Rating of 1-2 |
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Marula Oil (Sclerocarya birrea) - Comedogenic Rating of 4 |
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Meadowfoam Seed oil (Limnanthes alba) - Comedogenic Rating of 1 |
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Moringa Oil (Moringa Oleifera) - Comedogenic Rating of 3-4 |
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Neem Oil (Azadirachta indica) - Comedogenic Rating of 1-2 |
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Olive Oil (Olea europaea) - Comedogenic Rating of 2 |
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Pomegranate Oil (Punica granatum) - Comedogenic Rating of 1 |
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Prickly Pear Seed Oil (Opuntia ficus-indica) - Comedogenic Rating of 1-2 |
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Pumpkin Seed Oil (Cucurbita pepo) - Comedogenic Rating of 2 |
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Red Raspberry Seed Oil (Rubus idaeus) - Comedogenic Rating of 1-2 |
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Rosehip Oil (Rosa canina) - Comedogenic Rating of 1 |
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Safflower Oil (Carthamus tinctorius) - Comedogenic Rating of 0 |
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Sea Buckthorn Oil (Hippophae rhamnoides) - Comedogenic Rating of 1 |
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Sesame Oil (Sesamum indicum) - Comedogenic Rating of 2-3 |
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Shea Butter (Butyrospermum parkii) - Comedogenic Rating of 0-2 |
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Sunflower Seed Oil (Helianthus annuus) - Comedogenic Rating of 0 |
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St John’s Wort Oil (Hypericum perforatum) - Comedogenic Rating of 0 |
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Sweet Almond Oil (Prunus dulcis) - Comedogenic Rating of 2 |
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Tamanu Oil (Calophyllum inophyllum) - Comedogenic Rating of 2 |
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Trauma Oil *Trauma Oil is a blend of three organic flowers that have been soaked in organic olive oil. The three flowers are: Calendula (Calendula officinalis) St. John’s Wort (Hypericum perforatum) Arnica (Arnica Montana) |
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Walnut Oil (Juglans regia) - Comedogenic Rating of 2-3 |
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Wheat Germ Oil (Triticum vulgare) - Comedogenic Rating of 5 |
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