How to Wash Curly Hair: The Complete Step-by-Step Method

Posted on by Egor Yakovlev
11 min read

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Are you washing your curly hair in a way that destroys the curl pattern, multiplies frizz, and leaves you looking like you’ve been electrocuted? Most people are, without realising it. The standard hair-washing technique taught for straight hair actively damages curls, and switching to a curly-specific method feels counterintuitive at first—but transforms results within 2-3 washes.

QUICK ANSWER FOR SKIMMERS: Wash curly hair by wetting with lukewarm water, applying co-wash or gentle shampoo to the scalp only (not the lengths), rinsing thoroughly, applying conditioner to all hair, and either rinsing out completely or using leave-in conditioner. Use hands or a microfiber towel (never a regular towel), then apply styling products to soaking-wet hair. This method preserves curl definition, reduces frizz, and prevents breakage. Full details below.

Understanding Why Standard Washing Damages Curls

Curly hair has a different structure than straight hair. Each strand features a spiral or coiled shape with a raised cuticle layer. Standard hair washing—vigorously rubbing hair together under running water—lifts those cuticles, disrupts the curl pattern, and causes friction-induced frizz. The technique works fine for straight hair, where you’re just cleaning; it’s catastrophic for curls, where the structure is fragile and easily damaged.

Additionally, regular shampoos contain sulfates and harsh detergents that strip moisture from curly hair disproportionately. Straight hair can tolerate this; curly hair becomes dry, brittle, and frizzy. Understanding this fundamental difference is why curly-specific washing feels completely different from the routine you’ve used for years.

How to Wash Curly Hair: The Complete Method

Step 1: Pre-Wash Preparation and Detangling

Before water touches your hair, detangle it gently. Use a wide-tooth comb or detangling brush on soaking-wet hair with plenty of conditioner already applied—this reduces breakage significantly compared to detangling dry curls. Start at the ends and work upward, never combing from root to tip. Spend 3-5 minutes on this step; patience here prevents matting and breakage later.

If your curls are extremely matted or you have thick, coarse curls, apply a detangling spray (products like SheaMoisture’s Detangle conditioner, £5-8 in Boots) liberally and let it sit for 5 minutes before combing. This additional step prevents yanking and snapping strands.

Step 2: Wet Your Hair with Lukewarm Water

Run lukewarm (not hot) water through your hair. Hot water opens cuticles excessively, causing frizz and moisture loss; cold water doesn’t open cuticles enough for proper cleansing. Lukewarm (around 38-40°C, similar to bath temperature) is the goldilocks temperature. Thoroughly saturate hair from roots to ends—it should be dripping wet, not just damp.

Step 3: Choose Your Cleansing Method

This is where curly-hair washing differs most from straight-hair routine. You have two legitimate options: co-wash or low-poo (gentle shampoo).

Co-Wash Method: Co-wash is conditioner-based cleansing. You apply creamy conditioner (products like Cantu’s Cleansing Cream Conditioner, £3-5, or SheaMoisture’s low-poo options, £6-10) directly to your scalp and massage gently for 2-3 minutes. The conditioner cleanses whilst hydrating simultaneously. For people with curly hair, co-washing is gentler and maintains moisture better. Apply conditioner to your scalp specifically—you don’t need to cleanse the lengths, which are much more fragile. Massage your scalp with your fingertips, using light pressure, for 2-3 minutes. Focus on the scalp and immediate root area; conditioner will distribute to lengths during rinsing.

Low-Poo (Gentle Shampoo) Method: Low-poo shampoos contain minimal sulfates and harsh detergents. Brands like SheaMoisture Raw Shea Butter, Cantu Sulfate-Free, or Kinky Curly KCC (available at UK boots and Amazon, £4-12) clean without stripping. Use the same technique: apply directly to scalp, massage gently for 2-3 minutes, and focus cleansing on the scalp only. The shampoo will distribute to lengths during rinsing.

When to Use Each: If you wash hair 2-3 times weekly, alternate co-wash and low-poo (co-wash one week, low-poo the next). If you wash once weekly, use low-poo for deeper cleansing. If you wash 4+ times weekly, stick to co-wash to prevent stripping. Never use a clarifying shampoo more than monthly, and only if product buildup is visible—clarifying shampoos are extremely harsh.

Step 4: Rinse Thoroughly

This step is criminally underrated. Rinse your hair under running water for 2-3 minutes, longer than you think necessary. Residual shampoo or conditioner causes buildup, frizz, and dulled curl definition. Tilt your head and let water run from root to tip, gently scrunching curls with your hands as you rinse. You’ll know rinsing is complete when water runs completely clear with no cloudy residue.

Step 5: Apply Deep Conditioning Treatment or Leave-In Conditioner

After rinsing your cleanser, apply either a rinse-out deep conditioner or a leave-in conditioner. This is non-negotiable for curly hair—the conditioning step rebuilds moisture stripped during cleansing.

Rinse-Out Deep Conditioner: Apply a generous amount to soaking-wet hair, focusing on mid-lengths and ends. Leave it on for 5-15 minutes (or longer if you prefer). Rinse thoroughly after. Affordable UK options include SheaMoisture Raw Shea Butter Restorative Conditioner (£5-7), Cantu Hydrating Cream Conditioner (£4-6), or, for splurging, Olaplex No. 8 Bond Intense Moisture Mask (£35-40 in Boots or Space NK). The rinse-out deep conditioner adds moisture and strength to every wash.

Leave-In Conditioner: Some people skip the rinse-out step entirely and apply leave-in conditioner instead—a lightweight product left on the hair permanently. Leave-in conditioners like SheaMoisture’s leave-in detangler (£4-6) or Cantu’s leave-in conditioning repair cream (£4-6) provide ongoing hydration without rinsing. Leave-ins are convenient for people in a hurry and work beautifully if you’re moisturising regularly.

Step 6: Remove Excess Water (Crucial Step)

Never squeeze, wring, or rub curly hair with a regular towel. This causes frizz and disrupts curls. Instead, gently squeeze excess water with your hands, then use a microfibre towel, t-shirt, or cotton shirt to gently scrunch water out. A microfibre towel (Superdrug and Boots stock them for £3-8) is a worthwhile investment—it removes water without damaging curls. If using a t-shirt, use the gentlest cotton t-shirt you own; the smoother the fabric, the better. Plop your hair (wrap it in the towel turban-style) for 10-15 minutes to remove more water without friction damage.

Your hair should be wet but not dripping when you finish this step—still very damp, just not pouring water.

Step 7: Apply Styling Products to Soaking-Wet Hair

This is where your washing technique connects to curl definition. Apply all styling products—leave-in conditioner, curl creams, gels—whilst hair is still soaking wet. Products applied to soaking-wet hair distribute evenly, define curls uniformly, and prevent frizz. Products applied to damp or dry hair clump unevenly and look greasy or crunchy.

Use the praying hands or scrunching method: cup curls in your hands and gently squeeze products upward into the curl structure. Never smooth products downward, as this disrupts curl definition. Apply a leave-in conditioner first (if not already used), then a curl cream or gel in order of how you’d like them to work.

Curly Hair Washing vs. Straight Hair Washing: The Key Differences

Straight hair washing emphasises rubbing and friction for thorough cleansing; curly hair washing emphasises gentle handling and minimal friction. Straight hair’s cuticles tolerate heat and vigorous movement; curly hair’s fragile spiral structure requires careful, slow, intentional handling. Straight hair benefits from shampoo applied throughout; curly hair needs cleansing only at the scalp. Straight hair can tolerate frequent hot-water washing; curly hair requires lukewarm water and typically less-frequent washing (2-3 times weekly rather than daily). These aren’t minor differences—they’re fundamental structural differences that make standard washing catastrophic for curls.

Expert Insight

James Rodrigues, a trichologist at Manchester’s Curl Collective clinic, explains: “The biggest mistake curly-haired people make is treating their hair like straight hair. They buy sulphate shampoo, they rub their curls vigorously, they use a regular towel, and then they’re shocked when their curls are frizzy and undefined. The washing technique matters more than the product. Get the technique right—gentle, moisture-focused, scalp-centric—and even budget products (Cantu, SheaMoisture) work beautifully. Get the technique wrong, and expensive products can’t save you.”

Frequency: How Often Should You Wash Curly Hair?

Unlike straight hair, which requires frequent washing, curly hair typically needs washing 1-3 times weekly depending on your curl type, scalp oiliness, and lifestyle. Tightly coiled curls (Type 3-4 curls) need less frequent washing—once weekly is standard—because natural oils take longer to travel down the spiral structure. Looser waves (Type 2 curls) can tolerate more frequent washing, 2-3 times weekly. On non-wash days, refresh curls with a spray bottle of water mixed with a tiny amount of leave-in conditioner (1 part conditioner to 10 parts water), then apply curl cream and re-scrunch to revive definition.

Common Mistakes When Washing Curly Hair

Mistake 1: Using regular shampoo. Sulphate-based shampoos strip curls. Switch to low-poo or co-wash exclusively.

Mistake 2: Washing the entire hair length. You’re cleansing the scalp only. The lengths receive cleansing through water running down during rinsing; they need conditioning, not additional shampoo.

Mistake 3: Rubbing hair with a regular towel. This causes immediate frizz. Use a microfibre towel, t-shirt, or plop instead.

Mistake 4: Applying styling products to damp or dry hair. Products applied to soaking-wet hair distribute evenly; products on damp hair clump and look greasy. Wait until hair is soaking wet.

Mistake 5: Using hot water. Heat opens cuticles excessively. Lukewarm water is optimal—around body temperature.

Mistake 6: Skipping deep conditioning. Every wash requires conditioning. Curly hair is naturally drier than straight hair and needs moisture replacement every single wash.

Product Recommendations for UK Buyers

Budget-Friendly Options (Under £6): Cantu Hydrating Cream Conditioner (£3-5, Boots), SheaMoisture Raw Shea Butter conditioner range (£5-7), Cantu Sulfate-Free Shampoo (£4-6).

Mid-Range (£6-15): Carol’s Daughter Black Vanilla Moisture & Shine shampoo and conditioner (£6-10, Boots), Kinky Curly KCC conditioner (£8-12, Amazon), SheaMoisture Coconut & Hibiscus line (£5-10, widely available).

Premium (£15+): Olaplex conditioning treatments (£25-40, Space NK and Boots), Aunt Jackie’s Don’t Shrink Flaxseed Elongating Curling Gel (£4 but lasts months), Camille Rose Curl Maker (£28, online).

Budget options work perfectly fine—the washing technique matters far more than the price tag. Boots and Superdrug both stock extensive ranges of curly-friendly products; testing products in-store before purchasing prevents wasting money on products that don’t suit your curl type.

FAQ

How often should you wash curly hair?

Typically 1-3 times weekly depending on curl type and scalp oiliness. Tighter curls (Type 3-4) wash weekly; looser waves (Type 2) wash 2-3 times weekly. More frequent washing strips moisture; less frequent washing allows buildup. Adjust based on how your scalp and curls feel.

What’s the difference between co-washing and shampooing curly hair?

Co-wash uses conditioner to cleanse—gentler and more moisturising but less thorough. Low-poo shampoo is gentle sulfate-free shampoo that cleanses more effectively but strips more. Alternate between them, or use whichever suits your hair based on how often you wash and your scalp’s oiliness.

Should you rinse out all conditioner or leave some in?

Rinse out rinse-out conditioner completely. Use leave-in conditioner (applied after rinsing, intentionally left on) for additional moisture. Leaving rinse-out conditioner on causes buildup and flat, greasy-looking curls.

Why does curly hair get frizzy after washing?

Frizz comes from dried cuticles, moisture loss, product application to damp rather than soaking-wet hair, and friction from regular towels. Use a microfibre towel, apply products to soaking-wet hair, and ensure deep conditioning on every wash. These changes eliminate most frizz.

Can you wash curly hair daily?

No. Daily washing strips moisture from curly hair extremely quickly, causing dryness and breakage. Once to three times weekly is standard. On off days, refresh curls with a water spray and reapply product if needed, rather than washing.

Properly washing curly hair requires a different mindset and technique than what you’ve probably learned. It feels unusual at first—using conditioner to cleanse, applying products to soaking-wet hair, using a t-shirt as a towel—but after 2-3 washes, the results are undeniable. Your curls will be bouncier, frizzier, more defined, and healthier-looking than you’ve ever achieved. Commit to the technique for at least 4-6 washes before assessing results; this timeline allows your hair to adjust and build moisture levels after potentially years of improper washing.

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