Contrary to popular belief, it’s not just chlorine that turns your hair green after swimming—it’s the result of a reaction between chlorine and metals in the pool water, with copper being the main culprit. Copper can enter the pool from various sources, such as algaecides used to prevent algae growth, old plumbing systems, or even from natural runoff into the pool. Once copper is in the water, chlorine reacts with it, causing the metal to oxidize.
This oxidized copper forms small particles that attach themselves to your hair. Hair that is lighter in color, such as blonde or light brown, is typically more porous, meaning it absorbs these particles more easily than darker hair. The green tint happens when these oxidized copper particles bind to the proteins in your hair, creating that noticeable greenish hue.
The Most Effective Way to Fix Green-Tinted Hair
1. Use a Clarifying Shampoo
The first and most important step is to wash your hair with a strong, clarifying shampoo. These shampoos are formulated to remove chlorine, minerals, and other impurities that may be lingering in your hair. Washing with clarifying shampoo will help strip away the chlorine and copper particles, reducing the green tint significantly. Be sure to follow up with a moisturizing conditioner, as clarifying shampoos can be drying.
2. Try a Baking Soda Treatment
Baking soda is an effective remedy for neutralizing copper and chlorine buildup. Mix a tablespoon of baking soda with water to create a paste, then apply it to damp hair. Let it sit for 5-10 minutes before rinsing thoroughly. This helps to break down the chemical bonds that cause the green tint. Repeat as necessary until the green fades.
3. Use a Tomato-Based Treatment
Acidic products like tomato juice or ketchup are a time-tested and possible even the BEST way to neutralize the green tint. Apply directly to the affected areas, leave it in for about 15-20 minutes, then rinse it out and follow up with a shampoo and conditioner. The acidity in tomatoes helps counterbalance the effects of copper on your hair.
Preventing Green Hair in the Future
To avoid dealing with green-tinted hair after pool sessions, try these preventive measures:
- Wet Your Hair First: Wetting your hair before you swim can help reduce how much chlorinated water your hair absorbs.
- Wear a Swim Cap: A simple but effective solution, swim caps create a barrier between your hair and the pool water.
- Use a Leave-In Conditioner: Applying a leave-in conditioner or a protective hair spray designed for swimmers can create a seal over your hair to reduce the absorption of chlorine and metals.
By understanding why your hair turns green in the pool and using these methods to fix it, you can keep your locks looking healthy and vibrant all summer long!