Batana Oil Shampoo, Conditioner And Oil Trio: What Each Step Is For

I have been natural for over fifteen years, and the question I get more than almost any other is some version of: do I really need all three steps? The shampoo, the leave in conditioner for dry hair, the oil — can I not just pick two and be done? I understand the impulse. Wash day is long enough already. But once you understood what each step is actually doing at the level of the hair fibre, it will make more sense since each one is handling a completely different problem. They are not redundant. They are sequential.

This article is about the logic of that sequence — what the shampoo is removing, what the conditioner is depositing, and what the oil is sealing in. If you have ever finished a full wash routine and still had dry hair by the next morning, the answer is almost certainly in the order you applied things, not in the products themselves.

What the shampoo step is actually removing

Most people think of shampoo as cleaning — and it is, but the mechanism is worth understanding, because it explains why you cannot skip it or replace it with conditioner alone. Shampoo contains surfactants: molecules with a water-loving end and an oil-loving end. In water they cluster into structures called micelles, and those micelles are what actually pull oil-based debris — sebum, product buildup, environmental residue — away from the hair fibre and scalp and hold it in suspension until it rinses away.

That is not just tidiness. If your hair is coated in old product and sebum, nothing you apply afterwards can penetrate properly. The conditioner sits on top of the barrier instead of making contact with the fibre. A review in Macromolecular Chemistry and Physics describes the surfactant as the driving force behind a shampoo’s cleansing function, with its amphiphilic structure — that split personality of one water-loving and one oil-loving end — driving the micelle formation that makes selective lipid removal possible at a molecular level.

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The shampoo I use is the batana and rosemary shampoo, and I wash weekly. That frequency is a personal choice — enough to keep the scalp clean without over-stripping — but the point is that each wash is genuinely resetting the hair before I build the next round of conditioning and sealing on top of a clean surface.

There is a secondary reason the shampoo step matters for coily and curl-patterned hair specifically, and it comes down to how the fibre is structured. A review of shampoo surfactant technology in the International Journal of Cosmetic Science notes that micelle-based cleansing is the only mechanism that can account for selective removal of lipid soils at a molecular level — meaning conditioner washing or water-only rinsing leaves a meaningful share of lipid residue behind. For hair that is already prone to dryness and product sensitivity, that residue matters.

I find it genuinely useful to think of the shampoo as preparing a surface rather than just cleaning one. You are not just removing dirt — you are creating the conditions for the next two steps to work. That reframe changed how I felt about wash day, honestly. It stopped feeling like a chore at the beginning and started feeling like the foundation of everything that follows.

One thing worth knowing: the batana and rosemary shampoo is formulated to cleanse without being aggressive, so it does not leave the hair feeling stripped or rough after rinsing. That matters because you want the cuticle in a state where it can receive the conditioner properly — not clamped shut from dryness or abraded from a harsh wash.

What a leave in conditioner for dry hair is actually doing

This is the step people most often misunderstand, and I think it is because “moisture” gets used as a catch-all word when what is actually happening is more specific than that. A leave in conditioner for dry hair is not adding water to your hair. It is changing the charge on the surface of your hair — and that distinction is the key to why some people use conditioner and still end up with dry, frizzy, difficult hair the next day.

Here is the basic physics. Hair fibre — especially damaged or high-porosity hair — carries a net negative charge on its surface. After shampooing, that charge is particularly pronounced. Frizz, tangles, static, rough texture: these are partly charge effects. A conditioner works by depositing positively charged compounds — cationic surfactants or polymers — which are attracted to that negative surface and coat it. Research published on PMC on cationic deposition on hair fibres describes this mechanism clearly: the electrostatic attraction between the negative fibre surface and positive conditioner compounds is what produces the smoothness, reduced frizz and improved slip that we associate with a good conditioner. It is not magic, and it is not moisture — it is charge neutralisation.

The second thing a conditioner does is improve detangling. For 4c hair in particular, that is not a small thing — it is often the difference between a wash day that takes an hour and one that takes three. I have written before about how detangling actually starts in the conditioner, not the comb, and the science behind that is exactly this: when the cuticle surface is smooth and lubricated by those cationic deposits, strands slide past each other rather than snagging.

Now, where the order rule comes in. A thick, heavy moisturiser applied to dry hair does the opposite of what you want. It coats the outside of the strand before water has had a chance to get in. A light, watery conditioner — applied while the hair is still damp after shampooing — can actually reach the fibre surface and do its job. The fluid travels with the water that is already there. That is why I apply the conditioner to damp hair, not dry hair, and why thin and fluid goes before thick and rich every time.

The leave in conditioner in the trio contains biotin and rosemary alongside the conditioner base. I sometimes use the hair softening milk at this stage as well, but since I blow dry weekly — on cool or warm, never hot — I often go straight to sealing after the conditioner, because the blow dry has already done the work of stretching the ends so they are not coiling around each other and creating friction.

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What the oil step seals in — and why it goes last

There is a persistent idea in natural hair spaces that oil is a moisturiser. It is not. Oil cannot penetrate a dry hair fibre and add moisture to it — it can only interact with what is already there or coat the surface. Applied correctly, after water and conditioner, a plant oil seals the moisture in. Applied first, to dry hair, it forms a barrier against anything else getting in. The order is everything.

The science behind why certain plant oils behave the way they do inside the hair fibre is interesting and worth knowing. A study in the Journal of Cosmetic Science used secondary ion mass spectrometry to show that polar plant oils — like coconut oil — penetrate the hair shaft, while non-polar mineral oil sits on the surface. The penetration of a plant oil into the hair cortex — the core of the fibre — makes it more flexible and better able to handle the mechanical stress of bending, twisting and combing without snapping. Mineral oil does not do that. This is a meaningful difference, not a marketing one.

The oil in this trio is batana oil — the rendered oil from the fruit of Elaeis oleifera, the American oil palm, which is native to the floodplains of Central and South America. The Miskito people of Honduras’ Mosquito Coast have pressed and used this oil for generations, and the name “batana” itself comes from Miskito. It is botanically related to the African oil palm (Elaeis guineensis), and the two species share enough genetic similarity that they can hybridise — but E. oleifera is a slower-growing, lower-yielding plant that tends to grow in wet, low-lying ground rather than in large-scale cultivation. The groves behind today’s batana oil may, according to some botanists, actually be very old anthropogenic plantings — which makes the oil itself a kind of living archaeological record. I find that genuinely interesting.

We covered the full origin story of batana oil from La Mosquitia in a separate article if you want the detail. For this routine, what matters is that batana oil is a polar, fatty-acid-rich plant oil — and that the research on plant oil penetration into the hair cortex suggests it interacts with the fibre rather than just sitting on top of it.

After applying the oil I seal with the Tuareg Talekkodt length retention pomade — black benniseed, chebe, shea butter and clay — which locks the whole layered system in. Then I braid and sleep in a satin cap. The braid is doing the same thing as the blow dry: keeping the ends from coiling around each other and generating friction overnight.

Why coily hair loses moisture faster — and what that means for your routine

If you have 4b or 4c hair and you have ever wondered why it seems to dry out faster than other textures even when you use the same products, there is a structural reason for that, and it is worth understanding because it changes how you think about the routine.

Curl-patterned hair fibres have an elliptical cross-section rather than a round one, and they vary more in diameter along their length. A review on curly hair fibre published on PMC notes these structural characteristics — low to moderate diameter, elliptical cross-section, polydispersity along the strand — as distinguishing features of African hair fibres compared to straight or wavy types. That geometry affects how the fibre handles water, stress and product.

More recently, research on how water actually moves through different curl-pattern types found that curly hair is more susceptible than straight hair to texture changes from humidity-induced swelling. The cuticle — the overlapping outer layer of the hair shaft — lifts slightly as the fibre swells with water, which makes the surface feel rougher and also creates more points where moisture can escape. That swelling and de-swelling cycle, repeated with every wash, is part of why consistent sealing matters so much more for this hair type than it might for someone with a straighter texture.

This is the mechanical background to the thing I believe most firmly about length retention: your hair is almost certainly growing. What it is not doing is retaining that length, because the ends — the oldest, most fragile part of the fibre — are breaking at roughly the rate it grows. Coiled ends curl around each other, that coiling creates friction, and friction is what snaps hair. I have written a longer piece on how to stop breakage on curly and 4c hair that goes into this in more detail. The short version is that the oil and seal step is not optional for length retention — it is the point.

You might also want to consider the Jostylin’s Natural Hair Detangling Milk with Ambunu and Rose Water as an additional conditioning step if your hair is particularly prone to tangles on wash day — it sits well between the leave in and the oil seal without feeling heavy.

How porosity changes how you apply each step

Porosity is one of those terms that gets thrown around a lot without much explanation. It refers to how easily your hair cuticle opens to let water and product in — and, just as importantly, how quickly it lets that moisture back out. High porosity hair absorbs quickly and releases quickly. Low porosity hair resists absorption but holds moisture well once it has it. Most 4c hair sits somewhere in the middle or at one of those two ends, and knowing which you are dealing with changes how you work through the routine.

For low porosity hair, the main challenge at the shampoo step is making sure the cleansing actually reaches the scalp rather than sitting on top of a cuticle that has never fully opened. Warm water before shampooing helps. The conditioner step is where low porosity hair gets complicated — too thick a product will sit on the surface indefinitely because the cuticle is not open enough to accept it. This is why a lightweight, fluid leave in conditioner matters so much for this type. We went into detail on how to use batana oil on low porosity hair without buildup in an earlier post, and that piece is worth reading alongside this one.

For high porosity hair, the opposite problem at the oil step: the cuticle opens readily but releases moisture just as readily, so sealing is genuinely critical. A light oil is not enough. You need something that sits at the cuticle and slows that moisture loss — which is why I seal with both the batana oil and the Talekkodt pomade rather than relying on one alone.

The Jostylin’s Anti Dandruff Oil Elixir is worth mentioning here for anyone whose scalp is also part of the picture — a clean, comfortable scalp and healthy hair at the fibre level are different problems, but both matter, and the scalp step happens at the oil stage rather than at the conditioner stage.

I will say honestly: porosity testing by the float method — the one where you drop a strand in water and watch whether it sinks — is not especially reliable. The state the hair is in, what product is already on it, and how it was collected all affect the result. A better indicator is how your hair actually behaves on wash day: does it absorb water quickly or resist it? Does it feel dry an hour after conditioning? Does product sit on top rather than disappearing in? Those observations tell you more than a float test will.

Frequently asked questions

What does leave in conditioner do?

A leave in conditioner deposits positively charged compounds — cationic surfactants or polymers — onto the surface of your hair, which carries a natural negative charge, especially after shampooing. That charge interaction is what produces smoother, less frizzy, more easily detangled hair. It also keeps some of that conditioner chemistry on the strand through the day rather than rinsing it off. It is not adding moisture directly — it is changing the surface behaviour of the fibre so that moisture can stay in.

Why is my hair still dry after using leave in conditioner?

Usually one of three things. First, the conditioner went on dry hair — a heavy product applied to a dry strand coats the outside and the water never gets in. Apply to damp hair, always. Second, there is no sealant step — without an oil or butter on top, what the conditioner put in leaves just as fast. Third, buildup from the last wash is still there, creating a barrier between the product and the fibre. A thorough shampoo before conditioning often solves this entirely.

What order do you use shampoo, conditioner and oil?

Shampoo first — always — to clear product buildup and scalp residue so the conditioner can actually reach the hair. Conditioner second, while the hair is still damp. Oil last, to seal everything in. Reversing any of these steps reduces how well the others work. Oil on dry hair before conditioning creates a barrier. Conditioning over buildup means the product never reaches the fibre. The order is not a preference — it follows the chemistry of what each step is doing.

Do I really need a leave in conditioner?

For most 4a to 4c hair, yes — because the gap between wash day and the next wash is long enough that a rinse-out conditioner alone does not carry through. A leave in keeps those cationic deposits working on the fibre surface all week, which means better slip when you re-braid at night, less friction at the ends, and more retained moisture by the time the next wash day arrives. It is the step that bridges the rest of the week, not just wash day.

How often should I wash my natural hair?

I wash weekly, which works well for my routine. There is no universally correct frequency — it depends on how active you are, your scalp’s sebum production, the climate you are in, and what protective style you are wearing. The main risk of washing too infrequently is scalp buildup that becomes harder to clear and eventually interferes with how well your conditioner and oil steps work. The main risk of washing too often is stripping the hair before it has had time to benefit from the conditioning and sealing steps you just put in.

Understanding what each step in this routine is actually doing makes the whole thing feel less like a list of rules and more like something that has a logic to it. The shampoo clears the slate. The leave in conditioner for dry hair changes the surface charge and creates slip. The oil seals it all in so it lasts. Each one depends on the one before it, which is why order matters more than anything else — and why loading on more product rarely fixes what the wrong sequence started. Get the sequence right and the routine does what it is supposed to.

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Sources

1. Thompson et al., 2023. Shampoo Science: A Review of the Physiochemical Processes behind the Function of a Shampoo. Macromolecular Chemistry and Physics, Wiley.
2. Cornwell, 2018. A review of shampoo surfactant technology: consumer benefits, raw materials and recent developments. International Journal of Cosmetic Science.
3. 2024/2025. Adsorption of Cationic Lignin Derivatives on Negatively Charged Model Surfaces and Hair Fibers. PMC.
4. Ruetsch, Kamath, Rele, Mohile, 2001. Secondary ion mass spectrometric investigation of penetration of coconut and mineral oils into human hair fibers. Journal of Cosmetic Science, 52:169–184.
5. 2024. Impact of Hair Damage on the Penetration Profile of Coconut, Avocado, and Argan Oils into Caucasian Hair Fibers. Cosmetics (MDPI), 11(2):64.
6. 2019/2020. The what, why and how of curly hair: a review. PMC.
7. 2025. Role of Lipids in Water Permeation of Different Curl Pattern Hair Types. Cosmetics (MDPI), 12(5):193.
8. Montoya et al., 2014. Genetic Architecture of Palm Oil Fatty Acid Composition in Cultivated Oil Palm Compared to Its Wild Relative Elaeis oleifera. PLOS ONE.

Written by Joanna, founder of Jostylin Naturals. Natural for over fifteen years, type 4b/4c, tailbone length achieved and maintained through consistent length retention practice. All routine details are her own.