Hair color, especially permanent or semi-permanent dyes, can affect your hair by weakening the hair shaft and potentially causing breakage.
Here's a more detailed breakdown:
-
Chemicals Involved: Hair dyes often contain harsh chemicals like ammonia and hydrogen peroxide.
- Ammonia: This chemical opens the hair cuticle, allowing the dye to penetrate the hair shaft. This process can damage the cuticle over time.
- Hydrogen Peroxide: Acts as a bleaching agent, removing your natural hair color before the new color is deposited. This can weaken the hair.
-
Weakening of Hair Shaft: The process of coloring hair can lead to a loss of protein and moisture, making the hair more brittle and prone to breakage.
-
Increased Porosity: Colored hair tends to become more porous, meaning it absorbs moisture more easily. While this might sound good, it also means it can lose moisture just as quickly, leading to dryness and frizz.
-
Potential for Hair Loss: While not a direct cause of permanent hair loss, the chemicals can loosen hair that's already in the telogen (resting) phase, leading to temporary increased shedding.
Summary: Coloring hair involves chemicals that can weaken the hair shaft, cause breakage, and increase porosity, potentially leading to dryness and frizz. While it doesn't directly cause permanent hair loss, it can contribute to increased shedding.