Bleaching products may cause burns if they sit on your scalp for too long. Rinse thoroughly. After your timer goes off, make sure to rinse thoroughly with water. Don’t bleach eyebrows and eyelashes.

Foils. For foil highlights, ... Full bleach. If you choose to go full platinum, ... On-scalp bleach is activated by the natural human heat coming through the scalp.

Generally speaking, it’s better to do a root touch-up than attempt a full platinum makeover. “I would recommend coloring your roots well before bleach dyeing your entire head of hair ...

A full head of hair provides surprisingly low protection for your scalp from the sun, Australian researchers warn. Physicist Associate Professor Alfio Parisi and colleagues, from the University of ...