+17 Does Coloring Hair Increase Gray References. In fact, if you apply permanent color, it will temporarily make each hair strand become as much as a third thicker in volume. Your hair may look thinner james corbett, color director at clairol, says that coloring your hair makes it look thicker for two reasons.
The sun does not cause you to gray, but it does cause wrinkles. This is because dying your entire head one color requires more upkeep. Which in turn gives your hair a very healthy look.