Lavender Flower Oil For A Healthy-Looking Scalp

Lavender has a bit of a reputation problem.

Everyone’s heard of it. Everyone assumes they know exactly what “lavender oil” means.

Most people don’t.

Ask five people what’s actually in their lavender hair oil and you’ll get five different, confidently wrong answers. Some think it’s basically the same stuff that’s in their diffuser. Some think the flowers themselves do all the work. Most just trust the label and move on with their day.

Here’s the thing, though. There are two genuinely different products hiding under that one name, and they behave nothing alike on your scalp.

One is a strong, steam-distilled essential oil that needs proper dilution before it goes anywhere near skin. The other is a slow, gentle infusion, dried flowers steeped in a carrier oil for weeks, mild enough to use regularly without a second thought.

Mix the two up, and that’s exactly where most of the irritation complaints online come from.

So let’s actually sort this out properly. What lavender-infused oil is, what the research does and doesn’t back up, and exactly how to make a batch gentle enough for a genuine, ongoing scalp routine, without accidentally overdoing it.

I’m Patri Hernández, a certified organic skincare formulator and dermocosmetic technician with a background in health coaching. My work centres on botanical ingredients, including how they’re extracted and prepared, so I pay close attention to the difference between a gentle infused oil and a concentrated essential oil. That distinction genuinely changes how safely and effectively an ingredient performs on skin and scalp.

This post contains some affiliate links. If you buy something through one of them, I may earn a small commission at no extra cost to you. I only ever recommend products and ingredients I genuinely believe are worth your money.

Why Bother Making Your Own Lavender Scalp Oil

Let’s be honest before we get anywhere near a jar.

A DIY project only earns its place in your routine if it actually solves something. Not because it photographs nicely. Not because it feels wholesome.

So here’s what you’re really getting.

• You’ll know exactly what’s on your scalp. No synthetic fragrance standing in for real lavender. No silicones coating the hair shaft instead of nourishing it. No mystery preservatives. Just flowers and oil.
• It costs a fraction of the bottled version. A bag of dried lavender and a bottle of carrier oil makes several batches for less than one small “botanical” oil off a shop shelf.
• You control the strength. Infused oil means gentle by default. No dilution maths, no panic-Googling at 11pm.
• It builds an actual ritual into your week. The massage itself does real work for circulation and stress. That’s separate from anything lavender contributes, and it’s worth something on its own.
• You’ll get better at formulating. Learn this one infusion method and you can apply it to rosemary, calendula, anything dried and botanical. One recipe. A whole shelf of future ideas.
• One batch lasts months. Make it once. Stop thinking about it for a while.

None of this promises miracle regrowth. I’d rather tell you that upfront than oversell you a jar of oil.

What it does offer is low-cost, low-risk, and genuinely enjoyable. A habit built from ingredients you chose and trust, not ones a label vaguely gestured at.

What lavender-infused oil actually is

Strip it back to basics.

Lavender-infused oil is made by steeping dried lavender flowers in a carrier oil for several weeks. The oil slowly pulls out the plant’s fat-soluble compounds, small amounts of its aromatic character, some pigment, some plant material.

That’s it. That’s the whole process.

What you end up with is mild and lightly scented. Mostly carrier oil, with a soft lavender thread running through it. Not concentrated. Not distilled. Nothing like the essential oil, which we’ll get to properly in a minute.

Think of it like herb-infused olive oil versus a bottle of pure rosemary extract. Same starting plant. Completely different strength.

Here’s a detail most DIY recipes skip: only some of lavender’s aromatic compounds are readily fat-soluble, so an infused oil never captures the full scent profile you’d get from distillation. That’s exactly why your finished oil smells soft and herbal rather than the sharp, perfumey lavender you get from a shop-bought essential oil bottle. If your infusion smells intensely of lavender, something other than a gentle maceration has happened, and it’s worth double-checking your process.

The traditional use of lavender on skin and scalp

This isn’t a new idea. Not even close.

Lavender has one of the longest documented histories of any botanical used in skin and hair care. The name comes from the Latin lavare, “to wash,” a nod to centuries of bathing and washing rituals across the Mediterranean and later Europe.

People steeped it into oils for scalp massage. Added it to hair rinses. Used it on minor skin complaints. Mostly on the strength of its scent and its reputation for calming irritated skin.

None of that is clinical proof. But it does tell you something: people have been putting lavender on their heads for a very long time without obvious harm. That’s a reasonable place to start.

A few details worth knowing:

• Roman bathhouses reportedly scented their water with lavender, and the plant was tucked among stored linens, partly for scent, partly to deter moths.
• Queen Victoria loved the stuff. It became a household staple across Victorian England, used for everything from perfuming linens to washing floors.
• Lavender belongs to the mint family, Lamiaceae, alongside rosemary, sage, and thyme. Three other botanicals that show up constantly in hair oil recipes, for good reason. Similar aromatic chemistry.

And here’s a genuinely odd one: during the 17th-century plague outbreaks, doctors treating patients wore those now-infamous beaked masks, and the beaks were often stuffed with dried lavender, along with roses and camphor. They believed the strong scent would ward off “bad air.” We now know that isn’t how disease spreads, but it does show just how far back the idea of lavender as protective actually goes (National Geographic).

What lavender actually contains

Two compounds do most of the talking here.

Lavender flowers contain volatile aromatic compounds, the same ones behind the essential oil, plus flavonoids, tannins, and a small amount of fatty material in the flower itself.

• Linalool, a floral, slightly woody alcohol
• Linalyl acetate, an ester behind lavender’s characteristic sweetness

Together, these two make up the bulk of lavender essential oil. Genuinely interesting from a formulation standpoint. Also, as you’ll see in the safety section, the reason lavender needs a bit of respect rather than a free pass.

Something worth knowing before you buy: not all “lavender” is the same plant. True lavender, Lavandula angustifolia, is the gentle, lower-camphor variety used in most skin and hair preparations. Lavandin, a hybrid of true lavender and spike lavender, is grown far more widely because it produces more oil per plant and costs less, but it contains considerably more camphor and can be sharper on skin. If a bargain lavender oil smells more medicinal than floral, there’s a good chance it’s lavandin rather than true lavender. Always worth checking the botanical name on the label.

And here’s a number that puts the whole infused-oil-versus-essential-oil conversation into perspective: it takes roughly 50 pounds of lavender flowers and stems to produce about 8 ounces of essential oil (Fragrant Isle). That’s why essential oil is so concentrated, and exactly why the mild, home-infused version you’re making here behaves so differently on your skin.

What the evidence actually says

Let’s slow down here. This is the part people get wrong most often.

Lavender and hair growth get thrown around together online in ways that outrun the actual research, and I’m not going to do that to you.

The mouse study. The most frequently cited piece of research is a 2016 study published in Toxicological Research, which applied lavender oil topically to the backs of mice over four weeks. The treated animals showed more hair follicles, deeper follicle depth, and a thicker dermal layer, with results broadly comparable to a 3% minoxidil solution used as the positive control.

Interesting result. Real caveats attached.

It used concentrated essential oil, not an infused oil. It was mice, not people. Mouse skin and human scalp are not the same thing, and follicle changes in rodents don’t automatically translate into regrowth on a human head. Promising groundwork. Not proof.

A detail that rarely makes it into the summaries: the same study also found significantly fewer mast cells in the treated skin. Mast cells are immune cells heavily involved in inflammation, and a chronically inflamed scalp is a genuinely hostile environment for hair follicles. That’s arguably the more interesting takeaway than the follicle count, since it points to lavender’s calming character as a plausible mechanism, not just a nice side effect.

The human study, with a caveat. A well-known 1998 randomised, double-blind trial published in Archives of Dermatology found that people with alopecia areata (an autoimmune condition causing patchy hair loss) who massaged a blend of essential oils, including lavender, thyme, rosemary, and cedarwood, into their scalp daily for seven months saw significantly more improvement than a control group using only carrier oil.

Read that carefully. It gets misquoted constantly as “lavender oil regrows hair.”

It wasn’t lavender alone. It was a specific four-oil blend, tested specifically in alopecia areata, which has a different underlying cause from age-related thinning or pattern hair loss. Real study. Well designed. Genuinely encouraging. Just not a blanket claim that lavender alone grows hair for everyone.

Antimicrobial activity. Lavender essential oil has fairly consistent lab evidence for antimicrobial and antifungal activity against a range of bacteria and yeasts, including Candida species, relevant to scalp conditions like dandruff. Strongest evidence again sits with the concentrated essential oil in lab settings. Don’t assume it carries over at full strength to a mild infused oil.

The honest summary: lavender has a reasonable, if still developing, evidence base for scalp comfort, calming irritation, and supporting a healthier scalp environment. The stronger hair-growth claims come from essential oil studies, not infused oil, and from specific conditions or blends rather than lavender used alone.

As a formulator, I’d never present this recipe as a proven hair-growth treatment. I’d present it exactly as what it is: a genuinely pleasant, low-risk way to support scalp comfort as part of a bigger routine.

A lot of natural beauty content repeats hair-growth claims about lavender without ever checking where they actually came from. It’s worth being a little sceptical of anything that presents a single mouse study as settled human science.

Lavender flowers vs lavender essential oil: know the difference

This is the one distinction I want you to actually remember.

	Lavender-infused oil (this recipe)	Lavender essential oil
How it’s made	Dried flowers steeped in carrier oil for weeks	Steam-distilled from fresh flowering tops
Concentration	Mild, diluted throughout the carrier oil	Highly concentrated
Scent strength	Soft, herbal	Strong, perfumey
Ready to use on skin	Yes, as made	No, must be diluted first
Best for	Regular scalp massage, everyday use	Occasional, carefully diluted addition to a blend
Irritation risk with frequent use	Low	Higher, especially if the bottle is old or exposed to air and light

Lavender essential oil is a highly concentrated liquid, steam-distilled from the flowering tops. A small handful of flowers yields only a tiny amount, which is exactly why essential oils are so potent, and why they need diluting before they ever touch skin. Undiluted, straight on the scalp, it’s a common cause of irritation.

Lavender-infused oil is a carrier oil that has simply spent weeks in contact with dried flowers. Much lower concentration of active compounds, dispersed through a large volume of oil. Gentler. More forgiving. Built for regular use.

If a recipe or product just says “lavender oil” with no further detail, that’s your cue to ask before it goes anywhere near your scalp. Especially if your skin tends to react.

Why this recipe uses an infused oil rather than essential oil

Given everything above, this decision makes itself.

Essential oil, even properly diluted, carries a higher risk of sensitisation with frequent, repeated use. Linalool and linalyl acetate oxidise on exposure to air and light, forming compounds more likely to trigger allergic contact dermatitis than the fresh oil itself.

An infused oil sidesteps most of that risk. You still get the scent, the tradition, the soothed feeling on your scalp, without the sensitisation risk that comes from daily essential oil use.

Want it stronger later? Add one or two drops of properly diluted lavender essential oil to a finished batch. That’s a deliberate formulation choice. Not something to default into.

Choosing your carrier oil

The carrier oil is doing most of the actual work here. It’s what sits on your scalp and hair once the lavender’s had its say.

• Jojoba oil. Technically a liquid wax, closely resembles the scalp’s own sebum. Good all-rounder.
• Sweet almond oil. Lightweight, mildly conditioning, a longtime hair oil favourite.
• Grapeseed oil. Very light, fast-absorbing. Good if your hair weighs down easily.
• Olive oil. Heavier, more emollient. Better for dry, coarse hair than fine or oily hair.

A quick formulator’s note: jojoba oil isn’t technically an oil at all, it’s a liquid wax ester, which is exactly why it’s so resistant to going rancid compared with true plant oils. If you want the longest possible shelf life for your finished infusion, jojoba is the more stable base to build it on.

Whatever you pick, go for good quality, ideally organic. This oil sits with the lavender for weeks, then sits on your scalp. It’s worth getting right.

Ingredients

• 1 cup dried culinary or cosmetic-grade lavender flowers (fully dried, not fresh)
• 1 cup carrier oil of your choice, such as jojoba oil, sweet almond oil, grapeseed oil, or olive oil
• A clean, dry glass jar with a lid
• Cheesecloth or a fine strainer, for straining
• A dark glass dropper bottle, for storing the finished oil

Make sure the lavender flowers are completely dry before you start. Any moisture introduced into an oil infusion can encourage mould or bacterial growth over the weeks it sits.

How to make lavender-infused oil

1. Prepare your jar. Wash and thoroughly dry a glass jar. Residual water is the biggest spoilage risk you have.
2. Add the lavender. Fill the jar about halfway with dried flowers.
3. Cover with oil. Pour your carrier oil over the flowers until fully submerged, with about an inch to spare above. Submerged plant matter is far less prone to mould than flowers poking above the surface.
4. Seal and label. Close it tightly. Write the date on it. Future you will thank present you.
5. Infuse. Store somewhere dark and cool for four to six weeks. Give it a gentle shake every few days.
6. Strain. Strain through cheesecloth or a fine sieve into a clean bowl, pressing gently to get every last drop. Discard the spent flowers.
7. Bottle. Transfer into your dark glass dropper bottle. Light is the enemy of a finished oil.

Four to six weeks feels like a long wait? Fair. There’s a faster route: warm the oil and flowers together in a double boiler on low heat for two to three hours, then strain as above. Slightly less potent. Considerably less waiting.

A small habit that makes a real difference: shake rather than stir the jar during infusion, and avoid metal spoons if you do need to stir. Metal, particularly iron, can nudge the oil towards oxidation faster than a plastic or wooden utensil would.

How to use it for scalp massage

1. Section your dry or damp hair so you can reach the scalp easily.
2. Warm a small amount of oil between your palms.
3. Massage into the scalp in small circular motions using your fingertips, not your nails, working section by section.
4. Give it three to five minutes. The massage itself is doing real work, not just the oil.
5. Leave it on for at least thirty minutes, or overnight if you don’t mind a towel over your pillow.
6. Shampoo as normal.

This is genuinely worth knowing: a 2016 clinical study found that just four minutes of scalp massage a day, with no active ingredients involved at all, measurably increased hair thickness over 24 weeks. Researchers believe the gentle stretching of tissue during massage sends a mechanical signal to the cells at the base of the hair follicle that encourages thicker growth (Eplasty, Koyama et al., 2016). So the massage itself is doing real work, quite separately from anything the lavender contributes.

New to scalp oiling? Our natural hair growth tips piece covers other habits that pair well with this routine.

How often to use it

Two to three times a week. That’s the sweet spot for most people.

There’s no strong evidence that daily use beats a consistent few-times-weekly routine. And giving your scalp a rest between applications gives you a chance to notice how it’s actually responding, before you commit to something heavier.

Common mistakes to avoid

• Using fresh lavender instead of dried. Fresh flowers carry moisture. Moisture means mould risk over the infusion period.
• Skipping the patch test. Even a mild infused oil can cause a reaction. Apply a small amount to your inner forearm and wait 24 to 48 hours first.
• Storing it somewhere warm or sunny. Heat and light speed up oxidation, and shorten shelf life fast.
• Confusing this with essential oil. Already own lavender essential oil? Don’t swap it in here. Different concentration, different rules, and undiluted essential oil on the scalp is a genuine irritation risk.
• Expecting fast, dramatic results. Hair growth cycles run in months, not weeks. This is a supportive habit, not a quick fix, however much we’d all love it to be.

Safety and irritation considerations

Lavender is generally well tolerated. A few things still worth knowing.

• Patch test first, every new batch, since natural infusions vary slightly from one to the next.
• Linalool and linalyl acetate oxidise on exposure to air, forming compounds more likely to trigger allergic contact dermatitis than the fresh oil. Store your finished oil dark and sealed, and use it within a reasonable timeframe.
• Very sensitive skin, diagnosed fragrance allergy, or a history of contact dermatitis? Treat any lavender product, infused or essential, with extra caution. A quick chat with a dermatologist first isn’t overkill.
• This is cosmetic, not medical. Significant hair loss or patchy bald spots that aren’t improving need a dermatologist, not a home oil.
• Pregnancy: topical lavender in small, diluted amounts is generally considered low risk, but mention any new topical routine to your midwife or doctor if you’re pregnant or breastfeeding.

Something dermatology researchers have flagged that’s genuinely worth knowing: standard fragrance allergy patch test panels don’t always catch a reaction to oxidised lavender oil specifically. That’s not a reason to panic about every bottle in your bathroom, but it is a good reason to trust how your own skin responds over time, rather than assuming “I’ve never had a fragrance allergy before” rules out a reaction to an oil that’s been open for months.

A caution worth flagging for households with young children: a small number of case reports have linked repeated, prolonged topical use of lavender oil products to prepubertal gynecomastia (early breast tissue growth) in young boys, thought to be connected to hormone-mimicking activity in some of lavender’s compounds (New England Journal of Medicine). These are case reports rather than large controlled studies, and later commentary has questioned the strength of the evidence, but it’s a sensible reason to use lavender products on young children occasionally rather than as a daily, ongoing routine.

And if you share your home with a cat, keep this oil, and especially any lavender essential oil, well out of paws’ reach. According to the ASPCA, linalool and linalyl acetate are toxic to cats, who lack the liver enzymes needed to break these compounds down efficiently. A cat that grooms lavender oil off its fur can end up genuinely unwell, so store your finished bottle somewhere curious paws can’t get to it.

How to store it

Dark glass bottle. Away from sunlight and heat. A cupboard, not a steamy bathroom shelf.

Stored properly, a well-made batch keeps for six months to a year, depending on which carrier oil you chose. Lighter oils like grapeseed oxidise faster than more stable ones like jojoba.

A simple trick borrowed from professional formulating: a few drops of vitamin E oil stirred into the finished, strained infusion acts as a natural antioxidant and can meaningfully slow oxidation, buying your batch extra weeks of freshness without changing how it feels or smells on your scalp.

Oil starts smelling sharp, sour, or just different from when you made it? That’s your cue. Toss it and make a fresh batch.

Frequently asked questions

Can I use fresh lavender instead of dried?

Better not to. Fresh flowers carry water, and water means mould risk in your infusion. Growing your own? Dry it fully first, hanging bundles somewhere warm and airy for one to two weeks.

Will this actually make my hair grow faster?

No strong human evidence says infused oil alone speeds up growth. What it can reasonably offer is a calming, comfortable scalp environment as part of a bigger routine, and that’s worth something even without a dramatic growth claim attached.

Can I add other oils to this recipe?

Yes. Rosemary and lavender pair well, both traditionally and in some of the research above. Infuse rosemary alongside the lavender flowers, or add a separately infused rosemary oil once both are ready.

Is this safe for coloured or chemically treated hair?

Generally, yes. It’s a gentle carrier oil-based treatment, not a harsh chemical one. Patch test first as always, and expect freshly coloured hair to feel slightly different for a wash or two.

How is this different from buying a pre-made lavender hair oil?

You know exactly what’s in the bottle. One carrier oil, one botanical, nothing else. Plenty of commercial “lavender hair oils” lean on synthetic fragrance instead of real lavender, plus preservatives, fillers, and sometimes silicones that coat rather than nourish.

A gentle habit worth keeping

Lavender-infused oil isn’t a miracle treatment. I’d be doing you a disservice telling you otherwise.

What it is: a genuinely pleasant, low-risk, well-supported way to build a moment of scalp care into your week. An ingredient with real traditional standing, and a growing, if still early, body of scientific interest behind it.

Made properly, from dried flowers and a good carrier oil, stored correctly, and used with the same common sense you’d apply to any new skincare product, it earns its place in a broader natural hair care routine. Want thicker, fuller-looking hair too? Our guide to natural thick hair remedies has more ways to support your hair from the outside in.

References

• National Center for Complementary and Integrative Health: Lavender
• Hay IC, Jamieson M, Ormerod AD. Randomized trial of aromatherapy: successful treatment for alopecia areata. Archives of Dermatology, 1998
• Lee BH, Lee JS, Kim YC. Hair growth-promoting effects of lavender oil in C57BL/6 mice. Toxicological Research, 2016
• Hagvall L, Bråred Christensson J. Patch testing with main sensitizers does not detect all cases of contact allergy to oxidized lavender oil. Acta Dermato-Venereologica, 2016
• de Rapper S, et al. In vitro antimicrobial activity of Lavandula angustifolia essential oil in combination with conventional antimicrobial agents. PMC
• Koyama T, et al. Standardized scalp massage results in increased hair thickness by inducing stretching forces to dermal papilla cells. Eplasty, 2016
• Henley DV, et al. Prepubertal gynecomastia linked to lavender and tea tree oils. New England Journal of Medicine, 2007

Love, Patri xx