odrosty
Odrosty, in the context of hair, refers to the natural hair that grows out from the scalp after hair dyeing or coloring treatments. These are the sections of hair that have not been exposed to the dye and therefore retain their original color. As hair grows, a distinct line becomes visible between the treated, colored hair and the untreated, natural hair. The rate of hair growth varies from person to person but typically averages about half an inch per month. This means that odrosty can become noticeable within a few weeks to a couple of months after a coloring service.
The appearance of odrosty is a natural consequence of hair growth and is often considered a sign