Have you ever wondered why your foundation still doesn't seem like your perfect match, despite the major efforts of blending it out? Or how your best friend's skin glows against her red mane, but when ...

Identifying your skin’s undertone (cool, warm, or neutral) can help you select the most flattering foundation and clothing colors. You can determine your skin’s undertone by checking the color of your ...

When it comes to choosing the most flattering makeup hues (and especially when finding a concealer or foundation shade), it's important to consider your skin's undertone: are you a warm, cool, or ...

The subtle coloring of your skin can actually make a big difference when choosing makeup. Here's why -- and how to figure it all out. Kaitlyn is a former Assistant Style & Beauty Editor at PEOPLE.