Most hair oils are plant-pressed, but slip and shine formulas can hide silk and lanolin, and the real mistake is application. Here is which plant oil suits your goal, and how to use each from pre-wash treatment to finishing shine.

No shampoo regrows hair, but the right one makes every strand look fuller and keeps the scalp healthy. Here is the honest thinning-hair routine, from plant keratin shampoo to rosemary oil, and when to see a doctor instead.