These bestselling hair fibers are my secret to hiding thin spots, and they’re down to $19
Many of you know that heart-sinking moment when the bathroom light hits just the right wrong way, and you can see hints of scalp peeking through your freshly styled coif. While you try everything you can to stop the shedding — whether it’s with this cult-favorite rosemary oil or a No. 1 bestselling biotin shampoo…