The Crisis of Light-Colored Hair Extensions Changing Color: How to Fix Turning Green or Orange?

Light-colored bleached colors easily absorb copper and iron ions from water.

1. Chlorine-free shampoo: Use professional anti-metal shampoo immediately after swimming.

2. Emergency neutralization: When green, try applying ketchup for 10 minutes (mild acidity neutralization).

3. Tone correction: Use purple/blue shampoo for optical desulfurization.