One of the toughest things about the transitioning seasons is finding the balance of wearing something that’s not too hot and ...

The key to a sultry yet subtle makeup look? Brown eyeliner — a trend that's just been embraced by Hailey Bieber.

But as beauty trends start to shift more towards embracing an undone, minimalist aesthetic ... but also are fond of adding some definition, brown mascaras have emerged as the perfect in-between.