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Ready to feel more confident when reading your beauty products' ingredient labels?

Smiling calm young woman drinking coffee looking out the window sitting at table in restaurant.

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Enter, theAllure Ingredient Index.

What is caffeine, exactly?

“It’s an antioxidant that is a great vasoconstrictor, meaning it tightens up blood vessels.”

BeautyStat Universal C Eye Perfector on white background

Cosmetic chemistGinger Kingeven calls the ingredient “a microcirculation enhancer.”

What does caffeine do for the skin?

“It will also help active ingredients to be more effective,” King explains.

The Inkey List’s Caffeine Eye Cream on white background

In fact, he formulated it intoBeautyStat’s Universal C Eye Perfectorfor that very reason.

(We’re also partial toBliss Fabgirl Firm Skin Tightening Body Cream).

If caffeine can wake up our brainsandour skin, to what else can we apply its invigorating magic?

Biossance Squalane + Caffeine Toning Body Cream on white background

Ooh, our bank accounts?

Sadly, that’ll never be possible but we’ll happily take the slightly less puffy undereyes regardless.

Bliss Fabgirl Firm Skin Tightening Body Cream on white background