Are Highlighting Bad for You?

Although they are common practices, studies show they offer no benefit beyond simply reading the text. Some research even indicates that highlighting can get in the way of learning; because it draws attention to individual facts, it may hamper the process of making connections and drawing inferences.

Are highlights bad for you?

3. Highlights and coloring -- Highlights and semi-permanent dyes aren't as damaging as bleach, but they aren't without consequences, Mirmirani says. They can also change the inner structure of the hair, causing a lackluster look and dryness, especially if you frequently color to hide roots or gray hair.

Is it healthier to color or highlight hair?

In most salons, single-process color is cheaper than highlights. Additionally, single-color tends to be gentler on your hair than highlights. The bleach used in highlight formulas can cause damage, particularly if you have them done often, or use other chemical hair treatments.