that has nothing to do with birthdays.
What the supplement aisle never says out loud is this: the body already knows how to keep pigment machinery running. It just needs the right raw material, and when that material is missing, the whole chain starts to stutter.
The pigment line goes quiet first
Think of each hair follicle like a tiny workshop with a color printer inside it. When B12 is low, the ink supply gets weak, the machine starts skipping, and the output turns pale, patchy, and unreliable.
The first
