It will go back to its natural color if:
* You used temporary or semi-permanent dye: These types of dye only coat the hair shaft and don't penetrate the cortex, so they fade away gradually with washing.
* You used a color remover: Color removers break down the artificial pigment, allowing your natural color to reappear.
* You haven't dyed your hair in a long time: As hair grows, the dyed portion will eventually be cut off, revealing your natural hair underneath.
It will not go back to its natural color if:
* You used permanent dye: Permanent hair dye alters the hair's pigment molecules, making it impossible for the color to fade back to its original shade.
* You used a color depositing conditioner: These conditioners add a temporary layer of color but don't change the underlying pigment. While they fade, they won't bring your hair back to its original color.
Other things to consider:
* Your natural hair color: Lighter natural hair colors tend to revert to their original shade more quickly than darker colors.
* The dye used: Certain dyes, like black or dark brown, tend to leave more pigment in the hair, making it more difficult for the natural color to reappear.
* Hair care practices: Frequent shampooing and heat styling can accelerate the fading process of temporary or semi-permanent dyes.
In summary:
* If you used temporary or semi-permanent dye, your hair will eventually go back to its natural color as the dye fades.
* If you used permanent dye, your hair will not go back to its natural color unless you use a color remover or grow out the dyed portion.
It's always a good idea to consult with a hairstylist to discuss the best approach for achieving your desired hair color.