Emma's World

 Hi, babes! Emma here, and today's post will be about post-inflammatory erythema, better known in the skincare world as PIE. But what is it? Keep reading to find out.  If you’ve ever experienced acne, you know that once a pimple itself is finally gone, the skin can often look red or irritated in the area where the original blemish was. There’s a technical term for this: Post-Inflammatory Erythema, often referred to as PIE. And it can often be just as stubborn and frustrating as the original acne itself. This usually happens when inflammation occurs associated with an acne bump and it triggers an increase and dilation of blood vessels and vascularity. This is where that redness comes from, relating to an increased concentration of blood vessels in that area. Additionally, the general redness that goes along with the inflammation can linger and also contribute to post-inflammatory erythema.  Mild, non-inflamed acne, which includes blackheads and whiteheads, or comedonal acn...