Learn about dangerous ingredients hiding in common hair products, their effects on your hair health, and how to choose safer alternatives.

1. Label your three cups water, alcohol, and oil. 2. Add 1 tablespoon of water, isopropyl alcohol, and oil to its labeled cup. 3. Take three M&Ms of the same color and put one in each cup. 4. Swirl ...

The lesson here is that non-isopropyl alcohol cleaners—even when combined with IPA—will discolor your Mac. I used a nail ...