The Natural Curly Hair Routine: What Your Hair Actually Needs

Curly hair has a reputation problem.

Ask around, and you’ll hear the same words over and over. High maintenance. Unpredictable. A nightmare the second it rains.

Honestly? That reputation isn’t curly hair’s fault. It’s the fault of advice that treats curls like a problem to be fixed rather than a structure to be understood.

Because here’s what actually happens. Someone gets frizzy, so they Google it. They land on five different sites giving five different rules. Skip shampoo. Never skip shampoo. Oils fix everything. Oils ruin everything.

So they end up standing in the shower holding three bottles, none of which agree with each other, waiting for one of them to make sense.

None of them do. Not because the person is doing it wrong. Because the advice was never built around how curly hair actually works in the first place.

That’s the gap this piece is here to close.

Curly hair isn’t difficult. It’s just built differently, structurally, at the follicle level, and once that clicks, most of the guesswork disappears on its own.

Not another trending fifteen-step routine. Not a rulebook to follow blindly. Just what curly hair genuinely needs, and why.

What changes once you get this routine right

Before the how, a quick word on the why. Here’s what tends to shift once curly hair finally gets what it needs, instead of a routine pieced together from conflicting advice.

• Wash day gets shorter. Detangling knotted, dry curls can eat up twenty minutes on its own. Fix the moisture and porosity match, and most of that time just disappears.
• You stop wasting money on products that don’t work. Once you understand porosity and the protein-moisture balance, you can usually tell in advance whether something will suit your hair.
• Breakage and split ends drop noticeably. Treating the actual cause beats papering over the damage with more product.
• Frizz stops feeling random. It becomes something you can predict and manage, rather than a mystery that strikes depending on the weather’s mood.
• Second and third-day hair becomes usable again. The right leave-in and drying approach stretches how long curls hold their shape.
• Your scalp gets healthier, and that has a direct knock-on effect on the hair growing out of it.

None of this needs more products or more time. It needs the right ones, used the right way. That’s really all this comes down to.

I’m Patri Hernández, a certified organic skincare formulator and dermocosmetic technician with a background in health coaching. My work centres on natural formulation, botanical ingredients, and separating what genuinely helps hair and skin from what’s just well marketed.

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

Why curly hair behaves so differently

Start here, because everything else in this piece traces back to it.

Every strand of hair has a cuticle. Think overlapping scales, like roof tiles. On straight hair, those tiles lie flat and close together, which is exactly why straight hair catches the light so easily and looks glossy with barely any effort.

Curly and coily hair doesn’t get that luxury. It grows from an oval or asymmetrical follicle rather than a round one, and that shape forces the strand to twist as it grows. Every twist lifts the cuticle scales slightly away from the shaft.

That’s it. One structural fact. The dryness, the frizz, the tangles, every single one of them traces straight back to that twist.

Curl pattern is genuinely written into your DNA, which is oddly satisfying to know. Researchers have linked a gene called TCHH, which produces a hair protein called trichohyalin, to whether hair grows curly or straight. (Genetic Epidemiology Laboratory, QIMR Berghofer)

Here’s another one worth filing away: the tighter the curl, the fewer strands you likely have overall, though each one tends to be thicker in diameter. That’s why curly hair can look wonderfully voluminous while feeling fine to the touch, and why it can also feel more fragile than it looks. Both things, true at once.

Hair typing gets thrown around constantly, so it’s worth knowing loosely where you sit, if only to stop following advice meant for a completely different curl pattern.

Type	General pattern	Typical challenge
2 (wavy)	S-shaped waves	Easily weighed down by heavy product
3 (curly)	Springy, well-defined loops	Frizz and dryness at the mid-lengths
4 (coily)	Tight coils or zig-zags	Shrinkage and highest risk of dryness

Here’s a fact that tends to land mid “am I a 3b or a 4a” spiral: this whole system wasn’t developed by scientists. It was created in the 1990s by Andre Walker, Oprah Winfrey’s longtime stylist, mainly to help sell his own product line. Handy rough guide, sure. Precise scientific classification, absolutely not. Don’t lose sleep over which box you tick. (Wikipedia: Andre Walker Hair Typing System)

And one more number worth sitting with. Even healthy, undamaged hair can absorb close to a third of its own weight in water, shifting constantly with the humidity in the air. That’s the real cause of humidity frizz. Not water sitting on your hair. Water moving in and out of the strand itself, every time the weather changes its mind. (Robbins CR, Chemical and Physical Behavior of Human Hair, via Lab Muffin Beauty Science)

Cleansing: less often, more thoughtfully

Curly hair generally does not need daily washing. Full stop. Washing it too often is one of the most common causes of dryness and dullness there is.

• Sulfates (like sodium lauryl sulfate) are strong detergents that strip oil very effectively, which is exactly the problem for hair that struggles to hold onto oil in the first place.
• A sulfate-free or low-poo shampoo cleanses the scalp without stripping the lengths as aggressively.
• Co-washing (cleansing with conditioner instead of shampoo) can suit very dry or tightly coiled hair, though it isn’t right for everyone.
• A clarifying shampoo used occasionally helps remove product buildup, mineral deposits, and excess oil.

Quick bit of context on where all this “no sulfates, no silicones” advice actually came from. Much of today’s curly hair routine traces back to one book. Hairstylist Lorraine Massey popularised the sulfate-free, co-washing approach in her 2001 book Curly Girl: The Handbook, at a time when straight hair was still the professional standard and plenty of curly-haired women felt pressured to chemically straighten theirs. (Wikipedia: Curly Girl Method)

If your curls look duller than they should, here’s a sneaky culprit worth ruling out: hard water. Minerals like calcium and magnesium coat the hair shaft, making it harder for moisture and product to actually get in. A chelating shampoo, or an occasional diluted apple cider vinegar rinse, strips that mineral film right off.

One thing worth remembering: your scalp and your lengths are not the same environment. Your scalp produces sebum and needs regular cleansing to stay healthy. Your lengths, especially the ends, are often the oldest and driest part of the hair. They don’t need the same treatment at all.

Conditioning: the step curly hair can’t skip

If there’s one product category curly hair genuinely cannot do without, it’s this one. Not a nice-to-have. Non-negotiable.

Rinse-out conditioner should follow every wash. Its job is to smooth the cuticle back down after cleansing, cutting the friction that leads to frizz and tangling.

Deep conditioning, ideally with gentle heat (a shower cap or warm towel works well), for fifteen to thirty minutes once a week or fortnightly, gives moisture time to actually penetrate the hair shaft rather than just sitting on top.

Detangle with conditioner still in the hair. Wide-tooth comb or fingers, working from the ends upward in sections. Never the other way round.

Here’s a tip that surprises a lot of people: apply conditioner to soaking wet hair, before you even start detangling. Water opens the cuticle slightly, so conditioner glides in more easily, and hair is already more pliable. Far less snapping while you work through it.

Leave-in products and the LOC or LCO method

A rinse-out conditioner alone usually isn’t enough to keep curls hydrated all day. This is where leave-in products earn their keep.

Many curly hair routines follow what’s known as the LOC method (Liquid, Oil, Cream) or LCO method (Liquid, Cream, Oil):

1. Liquid – water or a water-based leave-in conditioner, applied to damp hair to add moisture.
2. Oil or cream – applied next to either seal that moisture in (oil) or add further slip and definition (cream).
3. The remaining step – whichever of oil or cream you didn’t use second, layered on top.

Which order works better comes down to your hair’s porosity.

Porosity	Behaviour	Best approach
Low	Cuticle tight, resists moisture, product sits on top	Lighter products, gentle heat, LCO order
Medium	Absorbs and retains moisture fairly well	Most standard product formulas work
High	Absorbs quickly but loses moisture just as fast	Richer creams and butters, LOC order

You’ve probably heard the classic test. Drop a clean strand of shed hair into a glass of water. Sinks fast, more porous. Floats a while, less porous.

I’ll be honest with you: hair scientists have pushed back on this one hard, and rightly so. Nearly all hair floats at first because it’s coated in natural oils, and oil always floats on water regardless of porosity. A far better real-world clue is simply watching how your hair behaves when you moisturise it. Drinks in product and dries out fast? Higher porosity. Product sits on top and takes a while to absorb? Lower porosity. (Lab Muffin Beauty Science: Hair porosity tests are a lie)

Oils: sealing versus penetrating

Not all oils behave the same way on hair. This distinction is worth actually understanding, rather than just grabbing whichever oil is trending this week.

Penetrating oils move into the hair shaft itself. Coconut oil is the most researched example here, partly because its molecular structure allows it to bind to hair proteins and reduce the protein loss that happens every time hair is wetted and dried. Olive oil has some similar, though gentler, penetrating ability.

Sealing oils sit on the surface instead. Jojoba oil, argan oil, sweet almond oil and grapeseed oil fall into this camp.

Fun one to file away: jojoba oil isn’t technically an oil at all. It’s a liquid wax ester. Its structure sits remarkably close to human sebum, which is exactly why it’s so well tolerated and rarely feels greasy the way heavier plant oils can.

Castor oil, including the thicker Jamaican black castor oil, is popular for scalp massage. Worth saying plainly: the evidence for it directly stimulating growth is thin and mostly anecdotal. It is, however, genuinely very moisturising and does add real shine. Reason enough on its own.

Protein versus moisture: the balance most people get wrong

This is, without question, the single most misunderstood concept in curly hair care.

Hair is made almost entirely of a protein called keratin. Everyday wear, heat, colouring, even just washing, all gradually erode that protein structure, leaving tiny gaps along the strand.

Protein treatments temporarily fill those gaps, strengthening the strand. Moisture treatments soften the hair and improve flexibility. Too much of either, and things go wrong fast.

Here’s a quick check worth doing at home. Stretch a single strand of wet hair gently between your fingers. Healthy, balanced hair stretches slightly and springs back.

• Feels straw-like, dry, breaking despite conditioner? That’s your hair asking for more moisture.
• Feels gummy, overly soft, stretchy when wet? That’s your hair asking for more protein.

One genuinely surprising bit of nuance: the idea that repeatedly wetting and drying hair causes cumulative “hygral fatigue” damage is now being questioned by hair scientists. The swelling and shrinking of hair fibres in water is real enough, but chemists reviewing the research have found surprisingly little solid evidence it actually breaks hair down on its own during normal washing. Even long-standing curly hair “rules” deserve the occasional second look. This is a good example of one. (Lab Muffin Beauty Science: Does water damage hair?)

Taming frizz without weighing curls down

Frizz comes from raised cuticle scales meeting humidity in the air. A few habits genuinely help.

• Apply leave-in products to soaking wet, not just damp, hair.
• Leave curls alone once they’ve started drying. This is often called the “crunch and release” stage, and touching it too soon undoes all your good work.
• A light, water-based anti-humidity spray or gel with a firm hold can create a “cast” that’s scrunched out later for soft, defined curls.

Here’s one for the weather nerds: plenty of curly-haired people track the daily dew point rather than the humidity percentage. Dew point reflects the actual moisture in the air. Humidity percentage changes with temperature and can be misleading. High dew point day? That’s usually when frizz gets hardest to control, whatever your weather app’s humidity reading claims.

Scalp care: the foundation nobody talks about enough

It’s easy to obsess over the curls themselves and completely forget that healthy hair starts at the scalp.

A build-up of product, oil, or dead skin cells can clog follicles and contribute to irritation or flaking. Gentle exfoliation with a scalp brush during shampooing, or an occasional clarifying wash, keeps this in check.

Tea tree oil, well diluted in a carrier oil, has some evidence behind mild antimicrobial and antifungal properties. Rosemary essential oil has drawn plenty of attention for potential effects on scalp circulation and hair density, though the strongest studies compared it to minoxidil in small trials rather than proving it works alone. Promising, not proven, is the honest way to put it.

Worth knowing: the average scalp sheds between 50 and 100 hairs a day, and that’s entirely normal. Noticing consistently more than that, or visible thinning? Worth mentioning to a doctor, rather than assuming it’s simply a curl care issue.

Drying without damage

How you dry curly hair matters almost as much as how you wash it. Genuinely.

• Never rub curls with a regular towel. A microfibre towel or an old cotton T-shirt causes far less friction.
• Plopping lets curls set into shape while gently absorbing excess water:
  1. Flip your head forward over a T-shirt or microfibre towel laid flat.
  2. Gather the fabric around your hair and twist gently.
  3. Secure it on top of your head and leave for ten to twenty minutes.
• Diffusing on low heat and low speed speeds up drying without disturbing curl formation.

Here’s a fact that reframes everything about wash day: fully wet hair is at its weakest point, up to roughly 30% weaker than dry hair. That’s exactly why gentle handling right after washing matters more than at any other stage.

Common mistakes worth avoiding

• Brushing dry curls, which breaks the pattern apart into frizz.
• Using too much product, which weighs curls down rather than defining them.
• Skipping conditioner to save time. Don’t. Just don’t.
• Ignoring porosity and protein balance entirely.

Preventing breakage

Breakage usually comes down to a handful of repeat offenders: excessive heat styling, rough detangling, cotton pillowcases, and that protein or moisture imbalance we just covered.

Those tiny, maddening beads you sometimes feel along a strand actually have an official medical name: trichonodosis. That’s the clinical term for single-strand knots, and dermatology literature confirms they happen almost exclusively in curly and coily hair, precisely because of that oval follicle shape forcing the strand to twist and loop around itself as it grows. So no, it’s not just you. (International Journal of Trichology, via NCBI)

Pillowcase	Effect on curls
Cotton	Absorbs moisture from hair overnight, creates friction
Satin	Smoother surface, reduces friction, budget friendly
Silk	Similarly smooth, naturally hypoallergenic, more breathable

Detangle exclusively with conditioner in the hair. Work in small sections from the ends up. Trim split ends every few months rather than waiting for the damage to travel further up the strand. Three habits. Most breakage complaints, solved.

Ingredients worth looking for

• Coconut oil for its documented ability to reduce protein loss.
• Aloe vera gel, a natural humectant that draws moisture into the hair without heaviness.
• Vegetable glycerin, an effective humectant, best used sparingly in very dry or low-humidity climates.
• Shea butter, an emollient that seals moisture and adds slip.
• Vitamin E, an antioxidant that helps protect oils in a formulation from going rancid.

Ingredients that may be overhyped

Worth being straightforward here, because plenty of hair content online is written by people with no formulation training who repeat popular claims uncritically. Not a dig. Just how a lot of this information spreads.

• Rice water rinses have a devoted following, largely from anecdotal use and folklore rather than robust clinical research. Any benefit is likely mild.
• “Growth serums” with vague herbal blends rarely disclose concentrations, and without that information it’s genuinely impossible to know if an ingredient is even present at a level that could do anything.
• Silicones aren’t inherently bad, whatever certain corners of the internet insist. The water-soluble ones rinse out far more easily and are less likely to cause buildup than the non-water-soluble kind. Worth checking on ingredient labels.

How often to do what

• Shampoo: every one to two weeks for most curl types, sometimes weekly for very fine or oily-scalp curls.
• Deep condition: weekly or fortnightly.
• Clarify: every four to six weeks, or sooner with heavy product use or hard water.
• Trim: every eight to twelve weeks.

Frequently asked questions

Can I use regular conditioner on curly hair, or does it need to be specifically formulated?
Regular conditioner can work, but curly-hair-specific formulas tend to contain more emollients and fewer harsh silicones. Check the ingredient list, not just the packaging.

Is the “no poo” method right for everyone?
Not necessarily. It suits some very dry or coily hair types beautifully, but people with an oilier scalp or heavier product use often find their scalp gets congested without occasional proper cleansing.

Why does my hair feel great one wash and terrible the next, with the exact same products?
Humidity, water hardness, even hormonal shifts, can all change how your hair responds to the same routine week to week. Normal. Not a sign anything is being done wrong. In fact, many people notice their curl pattern loosening or tightening at different life stages entirely, since hormonal shifts during puberty, pregnancy and menopause can genuinely change the shape of the hair follicle over time. (WebMD: Texture Changes)

Do curl creams and gels actually make a difference, or is it mostly water?
A well-formulated cream or gel provides film-forming ingredients that hold curl definition as hair dries. Water alone simply cannot do that.

A final thought

Curly hair care was never about following someone else’s routine to the letter. It’s about understanding porosity, moisture and protein balance, and the mechanics of your own curl pattern, then building habits around that understanding.

Once you know why your hair behaves the way it does, choosing the right products stops being guesswork. It becomes second nature.

References

• National Center for Biotechnology Information: Effect of mineral oil, sunflower oil, and coconut oil on prevention of hair damage
• National Center for Biotechnology Information: Rosemary oil versus minoxidil 2% for androgenetic alopecia
• American Academy of Dermatology: Hair care tips
• National Center for Biotechnology Information: The shampoo pH can affect the hair
• International Journal of Trichology: Trichonodosis, via NCBI

Love, Patri xx