And it's under $50.

By Kathleen Felton
March 01, 2019
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It's not easy to upstage a 141-year-old Tiffany diamond, but Lady Gaga managed to do just that in a makeup-free selfie she posted on Instagram yesterday. The Oscar winner's ridiculously glow-y complexion had hundreds of commenters wondering, What's Gaga's skincare routine?

Luckily, Lady Gaga's makeup artist, , recently spoke to about the beauty products she uses on the star. Tanno revealed that one must-have product is a good vitamin C serum, which is no surprise: Dermatologists rave about vitamin C's potent brightening powers, and the ingredient can do wonders to lighten dark spots and give skin a lit-from-within glow.

Tanno's go-to vitamin C serum is ($48;  and ), which happens to be one of our favorites too. In a previous interview with Health, New York City dermatologist Debra Jaliman, MD, noted that in addition to vitamin C in the form of 10% sodium ascorbyl phosphate, the formula packs other good-for-skin ingredients like hyaluronic acid and green tea extract.

Also in Tanno's arsenal? In addition to vitamin C, the makeup artist recommends the splurge-worthy  ($185; ) and  ($74; ) for a super soft pout.

RELATED: The Best Vitamin C Serums for Younger, Brighter Skin

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