What Is Co-Washing for Curly Hair?

By Carol's Daughter — Updated May 2026

Quick Answer: Co-washing means cleansing your hair with a conditioner (or a specialized "cleansing conditioner") instead of traditional shampoo. The "co" stands for conditioner. It's especially popular for curly and natural hair because it cleanses gently without stripping the natural oils that curls need to stay moisturized. Co-washing works best between full shampoo wash days — most people co-wash 1–2 times between traditional shampoo washes. The technique: rinse, apply conditioner to wet hair, massage your scalp for 3–5 minutes, work through the lengths, rinse thoroughly.

If you have curly hair, you've probably been co-washing in some form for a long time — even before there was a name for it.

The instinct to reach for conditioner instead of shampoo makes sense for anyone fighting hair thirst. Co-washing builds on that instinct: it's a gentler, more moisturizing way to cleanse curls between deep washes.

Here's everything you need to know about co-washing — what it is, why it works, and when (and when not) to do it.

What Is Co-Washing?

Co-washing refers to both a technique and a product category.

As a technique: washing your hair with a conditioner instead of shampoo.

As a product: a "cleansing conditioner" — a specialized moisturizer with a small amount of mild cleansing agent added in, designed specifically for this purpose.

When the practice first became popular, many curly-haired people simply used regular conditioner for the entire wash. But regular conditioners aren't built to actually cleanse — they moisturize and detangle, but don't break down oils, sebum, and buildup. For proper cleansing without stripping, you need either a dedicated cleansing conditioner or the gentlest possible sulfate-free shampoo used like a co-wash.

Why Co-Wash?

The case for co-washing comes down to the science of curly hair.

Curly Hair Is Naturally Drier

Each strand of curly hair coils up from root to tip. That structure makes it hard for natural scalp oils (sebum) to travel down the hair shaft the way they do on straight hair.

The result: even when your scalp is producing plenty of sebum, your lengths can still feel dry. Curly hair often has oily roots and parched ends at the same time.

Traditional Shampoo Adds to the Problem

Shampoos are formulated with detergents that break down oils. Great for cleansing — but they don't discriminate between unwanted oil (sebum buildup, environmental residue) and the natural oils your hair actually needs.

Shampoos with sulfates (sodium lauryl sulfate, sodium laureth sulfate) are particularly aggressive. They cleanse thoroughly but can leave curly hair stripped, frizzy, and dry.

Co-Washing Fills the Gap

Co-washing cleanses your hair gently enough to preserve natural moisture, while still removing daily product buildup, sweat, and environmental residue. For dry curls, that gentleness is the difference between healthy hair and a constant moisture battle.

For more on curly hair moisture, see our complete guide to moisturizing natural hair.

The Benefits of Co-Washing

1. Gentle Cleansing for Dry Hair

Co-washing provides cleansing without the harshness — especially valuable for type 4 textures and other naturally dry hair.

2. Hydration in One Step

Most shampoos clean, then conditioner moisturizes. Co-washing combines both — you're cleansing and hydrating in the same step.

3. Non-Stripping

Co-washing keeps your natural oils intact. Stronger hair, less breakage, more retained moisture.

4. Refreshes Between Full Washes

For people who only shampoo every 2–4 weeks, co-washing in between keeps hair feeling fresh without the dryness that frequent shampooing causes.

Find Your Personalized Routine

How often (and whether) you should co-wash depends on your specific hair. The Curl Quiz helps you understand what works for your texture.

Take the Curl Quiz → A 5-step quiz that identifies your hair type, main concerns, and the products built for your texture.

Co-Wash vs. Shampoo: Which Should You Use?

Both have their place. They're not interchangeable.

Use Shampoo When You Need to:

• Remove heavy product buildup
• Cleanse after sweating heavily or swimming
• Deep clean after weeks of protective styles
• Reset your hair after using styling products with butters or heavy oils

Use Co-Wash When You Need to:

• Refresh between deep washes
• Cleanse without stripping moisture
• Maintain a wash-and-go style mid-week
• Gently reset second- or third-day hair

For most curly hair, the ideal rhythm is:

• Full shampoo wash every 2–4 weeks with a sulfate-free shampoo
• Co-wash 1–2 times between full washes to maintain moisture and cleanse gently

For the full breakdown on shampoo frequency, see our complete guide to washing curly hair.

What's the Difference Between Co-Wash and Regular Conditioner?

This matters — they're not the same product.

The Born to Repair Nourishing Conditioner with Shea Butter is a regular conditioner — built for the conditioning step after shampoo. It's not a co-wash.

Don't use regular conditioner as a co-wash habitually. It won't properly cleanse your hair, leaving oil, dirt, and product buildup on your strands and scalp. Look for products specifically labeled as cleansing conditioners for proper co-washing.

How to Co-Wash, Step by Step

The technique is simple, but a few details make the difference.

Step 1: Rinse Thoroughly First

Before applying any product, rinse your hair with lukewarm water. This removes most of the surface buildup and makes the cleansing conditioner's job easier.

Step 2: Use the Right Amount

Start with 1–2 golf-ball-sized portions for most hair. Use less if your hair is short.

The temptation with co-washes is to over-apply because they feel less "active" than shampoo. Resist it. More product doesn't mean a better cleanse.

Step 3: Apply Evenly

Coat your hair from roots to ends. There should be enough product to:

• Work through with your fingers
• Create enough slip for detangling
• Cover every strand

Step 4: Work Into Your Roots

This is the most important step.

Unlike shampoo (which cleanses chemically), co-wash requires mechanical action — your fingers do the cleansing work.

• Massage your scalp with your fingers (not nails) for 3–5 minutes
• Work in sections to make sure every part of your scalp gets attention
• Sandwich sections of hair between your palms and rub from root to tip
• Don't rush — the product needs contact time to cleanse properly

Step 5: Rinse and Detangle

Run your fingers through your hair as you rinse to detangle. The water + remaining slip from the product makes this the easiest detangling moment.

Rinse until water runs completely clear. Residual product = limp curls.

How Often Should You Co-Wash?

Depends entirely on your styling habits and hair type.

Weekly Co-Washing

If you:

• Have an oily scalp
• Use heavier products that build up quickly
• Sweat heavily from workouts

Every Other Wash

If you:

• Typically wash every few weeks
• Use moderate amounts of styling product
• Want to add a moisture step between deep washes

Twice a Month

If you:

• Use minimal styling product
• Have a balanced scalp (not too oily or dry)
• Need clarifying shampoo only occasionally

Universal rule: Even regular co-washers need a clarifying shampoo every 4–6 weeks to remove deep buildup. Co-washing alone can't fully clear cumulative product residue. Use the Wash Day Delight Sulfate Free Shampoo for Curly Hair for the clarifying step — gentle enough that it doesn't strip, thorough enough that it actually cleanses.

Frequently Asked Questions About Co-Washing

Can I use co-wash exclusively and never use shampoo?

Most people can't. Even with regular co-washing, product residue accumulates over time. A sulfate-free shampoo every 2–4 weeks prevents buildup that co-wash alone can't address.

Will co-washing make my hair greasy?

Sometimes — especially if your scalp produces a lot of oil. If you notice your roots feeling weighed down after co-washing, reduce frequency and use a sulfate-free shampoo for deeper cleansing.

Is co-washing right for all curl types?

Co-washing works best for type 3 and type 4 hair (curly to coily textures) that struggle with dryness. Type 2 hair (wavy) is often too easily weighed down by co-washing — sticking with a gentle sulfate-free shampoo is usually better.

Can I co-wash my hair while wearing protective styles?

Yes — diluted co-wash applied to the scalp parts is a great way to keep protective styles fresh. For more on this, see our complete guide to protective hairstyles for natural hair.

Why is my hair still dry after co-washing?

Three possible causes: (1) you're not leaving the product on long enough (3–5 minutes minimum), (2) you're not following with a leave-in after rinsing, or (3) the product itself isn't moisturizing enough for your texture. Add a deep conditioner once a week to boost moisture if persistent dryness is an issue.

Can I co-wash daily?

Most curl types don't need daily cleansing of any kind. Even co-washing daily can lead to buildup. Stick with co-washing every 3–5 days, with a full shampoo wash every 2–4 weeks.

Does co-washing help with hair growth?

It supports it indirectly. Healthier, more moisturized hair breaks less, which means more of your growth is retained. For more on this, see our complete guide to growing natural hair.

What's the difference between co-washing and clarifying?

Co-washing is gentle, hydrating cleansing for daily/weekly use. Clarifying uses a stronger shampoo to deep clean and remove all buildup — usually done monthly or quarterly. They're complementary, not interchangeable.

Ready to add co-washing to your routine?

For your wash-day conditioner → Shop conditioners

For clarifying between co-washes → Shop sulfate-free shampoos

For more wash-day guidance → Read our complete guide to washing curly hair

Not sure where to start? → Take the Curl Quiz