Credit: Curly CheckIf you’ve learned about the curly girl method, you’ve probably heard the term co-wash. This cleansing technique is essential for anyone looking for a gentle way to wash curly or wavy hair without stripping away natural moisture.
Co-wash in the curly girl method has become very popular among people with wavy, curly, coily, and afro-textured hair because it helps maintain hydrated, defined curls without using harsh sulfates. In this article, you’ll learn what co-wash is, what it’s used for, and how to co-wash correctly to get the best results.
What is co-wash in the curly girl method?
Co-wash is short for conditioner washing. It’s a hair-washing technique that replaces traditional shampoo with a cleansing conditioner. Instead of using sulfates, co-wash relies on mild conditioning agents that gently cleanse the scalp without removing its natural oils.
Because co-wash preserves hydration, it’s especially beneficial for hair that tends to be dry or prone to frizz.
Differences between co-wash, low poo, and final wash
To better understand co-wash in the curly girl method, it’s important to know how it differs from other CGM cleansing techniques:
Final wash
A one-time deep cleanse using a sulfate shampoo without silicones to remove buildup before starting the curly method.
Low-poo
Uses a gentle shampoo without strong sulfates but with mild cleansing agents. You can learn more in our guide to low-poo in the curly method.
Co-wash
Completely replaces shampoo with a cleansing conditioner and offers the gentlest cleanse.
Co-wash is ideal for dry, very curly, or coily hair, as it maintains hydration without creating excessive buildup.
What is co-wash used for?
Co-wash not only cleanses the scalp gently, but also provides several benefits for curly hair.
Cleanses without harsh sulfates
Traditional shampoos often contain sulfates that can dry out curls. Co-wash removes dirt and impurities while protecting the scalp’s natural moisture barrier.
Helps maintain natural hydration
By using a cleansing conditioner, curls retain moisture more effectively, reducing dryness and brittleness.
Reduces frizz and improves curl definition
Well-hydrated hair is less prone to frizz, allowing curls to look more defined, elastic, and healthy.
How to co-wash correctly
To get good results with co-wash in the curly girl method, it’s essential to choose the right product and apply it correctly.
Choose a conditioner suitable for co-wash
Not every conditioner works for co-washing. Look for products with these characteristics:
Recommended ingredients: gentle cleansing agents like cetrimonium chloride or behentrimonium methosulfate
Ingredients to avoid: silicones, mineral oils, and waxes, which can cause buildup
Curly tip ➰: Don’t complicate things—use our product analyzer 🔎 to quickly check whether a conditioner works as a co-wash.
How to co-wash: step by step
- Wet your hair completely with warm water.
- Apply the co-wash conditioner directly to the scalp.
- Massage gently with your fingertips using circular motions for 2–3 minutes.
- Distribute the product through the lengths without rubbing.
- Rinse thoroughly, making sure no residue remains.
- Continue with your conditioning and styling routine.
Tips to avoid product buildup
- Alternate co-wash with a low poo wash if needed.
- Use warm water to help remove residue effectively.
- Clarify your scalp about once a month if you notice buildup.
Frequently asked questions about co-wash in the curly girl method
Can I co-wash every day?
It depends on your hair type. Very dry or coily hair may tolerate frequent co-washing, while other hair types may need to alternate with low poo.
Is co-wash suitable for all curl types?
Co-wash works best for curly, coily, and afro-textured hair. Wavy or oily hair may prefer using it less often.
How do I know whether my hair needs co-wash or low poo?
If your hair feels dry, dull, or frizzy, co-wash can help restore hydration. If you notice buildup or have an oily scalp, low poo is usually a better option.
What should I do if I feel buildup on my scalp?
Alternate co-wash with a low poo shampoo once or twice a week to rebalance the scalp without stripping moisture.
Co-wash is an excellent alternative for cleansing curly hair without harsh sulfates. When used correctly and paired with the right products, it helps maintain hydration, reduce frizz, and improve curl definition.
If you’re looking for a gentler way to wash your curls, co-wash is definitely worth trying.
Last updated: December 05, 2025