Khloé Kardashian's go-to Vitamin C skin serum has 89,000 5-star ratings on Amazon

Like that TikTok famous hair growth oil, beauty boosting vitamin C serum has gone viral! And one of the most popular formulations out there – TruSkin's Vitamin C serum, which counts Khloe Kardashian and The White Lotus star Alexandra Daddario as celebrity fans – is on sale on Amazon.

RELATED: The collagen creamer that helped Khloe Kardashian stop her hair loss

Alexandra revealed TruSkin as a fave during her get-ready-with-me video for Vogue, while Khloé shared her fave beauty products on Instagram, ranking the vitamin C serum alongside her other skincare go-tos like Eve Hansen Rose Camellia Facial Oil ($29) and La Mer The Neck & Décolleté Concentrate($320).

truskin vitamin c serum as loved by khloe kardashian
truskin vitamin c serum as loved by khloe kardashian

TruSkin Premium Vitamin C serum

TruSkin Premium Vitamin C serum, $21.97 /  £19.99 (WAS $29.99) at Amazon

But Khloe and the HBO star aren't the only ones who love this multi-tasking beauty serum, enriched with vitamin E and hyaluronic acid, that sells itself as tackling everything from dark spots to fine lines and wrinkles.

The TruSkin formula has over 89k five-star ratings on Amazon, with shoppers calling it 'perfect' and 'amazing'.

"So good," said one reviewer. "Makes my skin flawless. Notice a difference when I get out of routine and forget to use it. Then my skin looks amazing again after a day of using.”

MORE CELEBRITY SKINCARE

Martha Stewart, 81, swears by this $12 rosewater face mist for glowing skin

Meghan Markle's 'everyday miracle' beauty secret is a celebrity cult favorite

Beyoncé loves this $12 'miracle' skin cream - and it has 24k five-star ratings on Amazon

And another shopper said it was the best vitamin C serum they'd ever tried, saying: "It does not irritate the skin. It absorbs easily and quickly, leaves no greasy residue. It adds moisture and a healthy glow to my skin I haven't had since my early 20's. It is very lightweight and can be used under your SPF, make-up, etc."

Like this story? Sign up to our HELLO! Edit newsletter to get other shopping stories delivered straight to your inbox.

HELLO!'s selection is editorial and independently chosen – we only feature items our editors love and approve of. HELLO! may collect a share of sales or other compensation from the links on this page. To find out more visit our FAQ page.