With age, our hair naturally begins to thin out, becoming finer and weaker. And chances are that your hair will start to gray as it ages, which you may want to address with professional or at-home coloring options.
However, since the diameter of an aging hair is narrower, it’s often recommended to leave chemical products like color, perms and straightening solutions on the hair for less time than when hair was younger. This is because the hair shaft is thinner and takes a reduced amount of time to process the treatment.
Leaving a chemical product on the hair for too long may increase the risk of breakage and damage, and can actually make the effects of the product opposite of what’s desired.
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