"This is my biggest thing. It can come from any source you prefer. I recommend a gallon a day."
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Ever wondered how Gabrielle Union's skin always looks flawless? Believe us, so have we. As our guest editor this week, Gabrielle is giving us to the inside scoop into pretty much every aspect of her life, and we obviously couldn't let her get away without getting her ultimate beauty essentials -- specifically, what makes skin glow 24/7. Click through the gallery above for Gabrielle's beauty must-haves.