Yes, hot roots will eventually grow out, but the lighter color will remain as a band beneath your natural roots.
Hot roots occur when the heat from your scalp processes the hair dye faster at the roots, resulting in a lighter or brighter color compared to the rest of your hair. While they won't disappear completely, time will lessen their obviousness through natural hair growth. Here's a more detailed breakdown:
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Growth: As your hair grows, the hot roots section will move further away from your scalp, and your natural hair color will replace it at the roots. This gradual process diminishes the contrast between the hot roots and your overall hair color.
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Color Persistence: The color created by the dye that caused the hot roots won't vanish entirely. The lighter band will remain visible until you address it with further coloring or cutting.
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Immediate Action is Best: According to the reference, it is generally advised to correct hot roots immediately for best results. Waiting for them to simply grow out will only result in a band of lighter hair.
In summary, hot roots will fade in terms of their immediate prominence due to hair growth. However, the color difference will persist until corrected by other means.
