How Damaged is Hair? Part II, Internal Damage


Hair’s durable structure is under constant bombardment from a variety of onslaughts. These include mechanical insults such as grooming and braiding; chemical treatments, e.g., perms, relaxers, permanent coloring; exposure to high heat from hair dryers and styling tools; and environmental effects including sun exposure. Each of these insults takes its toll on the hair by a specific means—and yet the outcome of these diverse effects, either individually or cumulatively, is described in our industry as one, all-encompassing and simple word damage. I am frequently asked, “how damaged is that hair?” or “how can I repair damage?” But clearly, damage is not one specific entity and these seemingly simple questions have far more complex answers.

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