Choosing the right carrier oil for your herbal infusion depends on what you want it to do, whether it’s for food, skin, or hair. Infused oils are gentle and versatile, unlike the concentrated essential oils. This guide explains how to select the base liquid fat based on skin type, aroma, stability, and budget. It also includes simple methods and recipes for creating safe, effective infusions at home. Think of it as a way to help you get started.

• Infused oils are made by steeping dried herbs in a base liquid fat to extract gentle, skin-safe properties. They’re different from essential oils.
• Always use dried herbs, not fresh, to prevent bacterial growth.
• Choose your base based on purpose — food or skincare — and consider factors like absorbency, scent, colour, and stability.
• For dry or mature skin, richer oils like olive, avocado, or sweet almond are soothing.
• For oily or breakout-prone skin, go for lighter versions such as grapeseed, jojoba, or hemp seed.
• Sunflower and sweet almond are great beginner-friendly options.
• Store your finshed products in dark bottles, keep them cool, and label them clearly.
• Try cool (solar) or gentle heat methods depending on your herbs and oils.
• Never use fresh herbs in food infusions; always keep food-safe liquid fats in the fridge and use them within a month.
• Three beginner-friendly recipes are included: calendula salve, rosemary finishing oil, and a lavender-chamomile body blend.
• If you have sensitive skin or health concerns, seek personalised advice before starting.

Herbal oil infusions are a quiet kind of magic. You take a simple plant, pair it with a good liquid fat base, and with a little time and care you end up with something soothing and useful. People have done this for centuries. It is practical, it smells lovely, and it can be part of everyday self-care in the kitchen and the bathroom. In this guide I will help you choose the right carrier base, show you how to infuse safely, and share a few simple recipes. My aim is to make this feel like a chat over a cup of tea, not a chemistry class.

If you live with sensitive skin, dryness, or the ups and downs of midlife changes, an infused oil can be a gentle addition to your daily routine. If you are unsure what to use or how to start, you are in the right place.

Infused oils

An infusion is made by steeping dried herbs, flowers, roots, bark, or seeds in a carrier. Over days or weeks, the base draws out the plant’s oil-soluble compounds. The result is a gentle, well-rounded product that carries the qualities of both the plant and the fatty base. You can use the final products on skin and hair. Some can be used in food if they are made with dried culinary herbs and handled with care.

Essential oils, and why they are not the same

Essential oils are very concentrated aromatic compounds, usually made by steam distillation. They are powerful and must be diluted in a carrier base before they go near skin. You never ingest essential oils unless you are under specialist guidance. Infused oils are milder, closer to the whole plant, and usually suitable for direct use on the skin.

There are three things to consider, and they work together. Herbs brings colour, scent, and therapeutic action. The oil is the solvent and provides the “skin feel”. And the preparation method sets the tone, whether slow and cool or gently warmed. Match these three to your purpose and you can create something lovely.

Before you choose, ask a simple question. What do you want this infusion to do?

If the product is for food, then flavour and safety come first. Choose an oil whose taste suits the herb. Extra virgin olive oil is wonderful with sturdy herbs like rosemary. High-oleic sunflower or grapeseed oil suit lighter flavours. For food use, always work with thoroughly dried herbs and store the finished product in the fridge. Use it within a month.

If the oil is for skin or scalp, think about the feel, absorbency, and your skin’s needs. Dry, mature, or weather-exposed skin often enjoys richer, more occlusive oils such as olive or avocado. Oily or breakout-prone skin may prefer lighter, faster-absorbing base such as grapeseed, hemp seed, or jojoba. If you want a body oil that soaks in without a greasy after-feel, a blend can be ideal, for example sweet almond with a splash of jojoba.

Carrier oils range from almost scent-free to distinctly nutty or peppery. A strong-smelling base can overshadow a delicate herb. If you want the floral notes of lavender to shine, choose a neutral carrier. Colour matters too. Olive oil can add a green-gold hue to your infusion. Grapeseed is pale. Jojoba is light and clear. Texture is personal. Some liquid fats feel dry and quick, others feel rich and protective. Picture how and where you plan to use the product, then choose the feel that fits.

Every liquid fat ages. Some keep well for a year or two, others only a few months. Jojoba is very stable. Olive and sweet almond are solid, practical choices. Grapeseed and hemp seed can oxidise quickly. If you plan to use gentle heat in your method, pick a heat-tolerant base, for example olive, or sweet almond. Save delicate, unrefined oils for cool or solar infusions. Store all finished products in dark bottles, away from heat and light. A cool cupboard or the fridge will help them last.

You may have seen “comedogenic ratings”. This is a simple scale from 0 to 5 that hints at how likely an oil is to clog pores. It is a guide, not a rule, because real skin is diverse.

Fats richer in linoleic acid, such as grapeseed, hemp seed, and safflower, feel light and tend to suit oily or blemish-prone skin. Those richer in oleic acid, such as olive, avocado, and sweet almond, feel richer and suit dry or mature skin. Jojoba is different, it is a liquid wax that mimics our own sebum. Many people find it balancing.

If your face is reactive or you are prone to breakouts, patch test first. Try new products on a small area of the jawline for a few days before wider use.

You do not need luxury oils to make beautiful products. Start with a good quality, cold-pressed, unrefined liquid fat from a trusted supplier. Olive or sweet almond oil are good choices for reliable mid-priced options. Sunflower oil is a budget-friendly staple but may not have the shelf life of others. If you want a touch of luxury add a little jojoba or argan to your blend rather than using them as the whole base. Your herbs matter too. Dried plant material should be clean, vibrant, and well stored.

Everyday foundations

For most projects, you cannot go far wrong with olive, sunflower, sweet almond, jojoba, grapeseed, or coconut.

Olive oil is the classic choice for infusions. Nourishing, and a little thicker, it brings a green-gold colour and peppery scent. This suits dry or mature skin and works well for body products and salves. It also shines in the kitchen with robust herbs.

Sunflower is light, neutral, and great for beginners. It tolerates gentle heat, is comfortable on most skin, and lets the herb’s aroma lead. High-oleic sunflower keeps better than regular sunflower, so check the label if you can.

Sweet almond oil is a kind all-rounder for skin. It softens, soothes, and gives a silky glide that makes it lovely in massage blends. It is stable enough for warm infusions and suits most people.

Jojoba is technically a liquid wax. It absorbs quickly and often feels balancing. Many people with oily or combination skin do well with it. It has an excellent shelf life and makes premium face products when blended with a suitable herb infusion.

Grapeseed is very light and almost dry to the touch. It sinks in fast. It can be a joy for those who dislike a greasy feel, especially in face oils. Its weakness is shelf life, so buy small bottles, keep them cool, and use them up.

Coconut is solid at room temperature and very stable. It creates a protective layer and suits very dry skin and hair treatments. Some people find it clogs facial pores, so use it for body care or as a smaller part of a blend if breakouts are a concern.

Targeted and special picks

If you want to focus on a specific skin goal, consider these.

Avocado is rich, slow to absorb, and comforting on weathered or very dry skin. A little goes a long way. Blend it with a lighter fat if you want less residue.

Rosehip feels light and sinks in quickly. Many people use it for the look of scars and sun-touched skin. It is more delicate, so infuse it cool and store it well. It is often best added after you make a base infusion rather than used alone for heating.

Tamanu is thick, green, and strongly scented. It is beloved for the way it supports irritated or troubled skin. You only need a small amount in a blend. Keep it for targeted spots or add a teaspoon to a small jar of salve.

Hemp seed is light, green, and absorbs fast. Many people with oily, congested, or easily inflamed skin enjoy it. It has a short life, so keep it in the fridge and use it within a few months.

Argan gives a silky, non-greasy finish and suits most skin types. It is also popular for hair care. It can lift an everyday blend into something that feels special.

Camellia and macadamia offer a refined, elegant feel. Camellia is light and slightly astringent, which can be pleasant on the face. Macadamia is velvety and kind to mature skin. Both are lovely in small amounts within a broader blend.

Cool or solar infusion

This is the gentlest method. It suits delicate flowers and precious oils.

1. Sterilise a dry glass jar and lid.
2. Fill the jar half to two-thirds with dried herbs.
3. Cover with the liquid fat so the herbs are well submerged. Stir to release air bubbles.
4. Seal and place in a warm spot, for example a sunny windowsill in a paper bag, or an airing cupboard.
5. Shake every few days. Leave for 2 to 6 weeks.
6. Strain thoroughly when the oil smells and looks right.

Gentle heat infusion

Use when you want to speed things up, and when both herb and oil can handle warmth.

1. Combine dried herbs and base in a heat-safe jar or the top of a double boiler.
2. Warm very gently for 2 to 8 hours. Aim for warm, not hot. You should be able to touch the vessel comfortably.
3. Switch off the heat and let the product cool before straining.

Alcohol intermediary method, for topical use only

This advanced step helps extract more from tough, resinous herbs for salves.

1. Grind dried herbs to a coarse powder.
2. Moisten with a small amount of high-proof alcohol until the texture feels like damp sand. Leave for 24 hours.
3. Blend with your chosen base, or warm very gently as above.
4. Strain well. The final product is not for food. Keep it for skin products only.

You might also like my post: How to Make Infused Oils at Home

Fresh herbs and oil do not mix safely in the kitchen. The water in fresh herbs can support the growth of harmful bacteria. For food infusions, always use thoroughly dried herbs and refrigerate the finished product. Use it within a month.

For skin products, moisture still causes spoilage. Work with dried herbs, clean tools, and dry jars. Label every bottle with the contents and date. If a product smells off, looks cloudy, or grows any specks, discard it. When in doubt, throw it out.

Patch test new oils and herbs on a small area. Avoid using essential oils undiluted. Keep products away from eyes and mucous membranes. If you have a medical condition, are on medication, or have a history of plant allergies, get personalised advice before you begin.

Strain your infusion through several layers of clean cheesecloth. For a very clear product, finish with a paper coffee filter. Bottle in dark glass. Keep liquid fats cool and away from sunlight. A small amount of vitamin E oil or rosemary CO₂ extract can help slow oxidation. Most well-made infusions keep for 6 to 12 months. Delicate oils may need the fridge and faster use.

Skin-soothing calendula salve

Make a warm calendula infusion in olive oil. Strain, then melt the infused oil with grated beeswax in a clean double boiler. Test a drop on a cold spoon. If it sets too soft, add a touch more wax. If it is too firm, add a little more liquid fat. Pour into clean tins and let set. Optional extras include a spoon of shea butter for creaminess, or a teaspoon of tamanu for extra support.

Rosemary finishing oil, for food

Combine dried rosemary and extra virgin olive oil in a small pan. Warm gently for a few minutes until fragrant. Do not let it simmer. Cool and strain well. Bottle and refrigerate. Use within a month over roast potatoes, vegetables, or focaccia. Discard if it ever smells odd or looks cloudy.

Lavender and chamomile body blend

Fill a jar with dried lavender and chamomile. Cover with a blend of sweet almond and a little jojoba. Solar infuse for two to four weeks. Strain, bottle, and label. Optionally you can add some drops of lavender essential oil to the finished, strained product. Massage into shoulders and legs after a bath.

• Dry or mature skin: olive, sweet almond, avocado, macadamia.
• Oily or congestion-prone skin: grapeseed, hemp seed, jojoba, camellia.
• Scalp and hair: coconut for deep treatments, argan for a light finish.
• Everyday body oils: sunflower or sweet almond, with a splash of jojoba.
• In the kitchen: extra virgin olive oil with sturdy dried herbs, or high-oleic sunflower for a milder base.

If you are unsure, start with sweet almond for body care and jojoba for face care. Blend small batches and take notes. Your skin will tell you what it likes.

Please get tailored advice if you have eczema, psoriasis, acne that is difficult to manage, rosacea, a history of contact dermatitis, or very reactive skin. If you are pregnant or breastfeeding, or making products for children, check safety for each herb and liquid fat. If you are taking prescribed medicines or have a health condition, ask before you begin.