4 Vitamin C Serums Estheticians Recommend for Brighter Skin

Photo Credit:Tay Nicole

If you’ve spent any time on skincare TikTok lately, you’ve likely seen the term "Internal Glow" everywhere. Unlike the high-shine, "glazed donut" look of 2024, the 2026 version of radiance is less about topical grease and more about that lit-from-within luminosity that usually only follows a $300 professional facial.

As it turns out, the secret isn't a secret at all it’s a specific formulation of Vitamin C that estheticians have been gatekeeping for years. While we’ve all been chasing pure L-ascorbic acid, the pros are pivoting to something called THD Ascorbate.

The "Internal Glow" hack relies on stability over strength. Estheticians are swapping volatile serums for oil-soluble derivatives that actually penetrate the skin barrier rather than sitting on top of it. This creates a lasting glowy skin effect that doesn't wash off at the end of the day.

Vitamin C serum for glowing skin is the #1 searched ingredient for a reason. But to get the results, you need to know the "Double-C" method.

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Peter Thomas Roth Potent-C Brightening Moisturizer 

Amazon

Peter Thomas Roth | Potent-C™ Brightening Vitamin C Moisturizer

$68

This is the gold standard for the Internal Glow. It uses 10% THD Ascorbate, which is 50 times more powerful than traditional Vitamin C. It’s essentially a professional-grade serum hidden in a luxury cream.

The Ordinary Ascorbyl Tetraisopalmitate Solution 20% 

Amazon

The Ordinary Ascorbyl Tetraisopalmitate Solution 20% 

$20.50

The budget-friendly way to "hack" your way to how to get glowing skin. Estheticians recommend mixing two drops into your evening moisturizer to wake up with softened, hydrated skin.

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Vanicream Vitamin C SerumStyle Notes

Amazon

Vanicream Vitamin C Serum

$17.97

If you have sensitive skin, this is your entry point. It contains 5% THD and is completely fragrance-free, making it a staple for esthetician recommended skincare routines that prioritize the skin barrier.

Sunday Riley CEO 15% Vitamin C Brightening Serum Style 

Amazon

Sunday Riley C.E.O. 15% Vitamin C Brightening Serum

$50

Notes: A cult favorite for a reason. It uses THD to treat dark spots and build collagen without the stinging associated with lower-pH serums.

The "Double-C" hack is simple: use your active Vitamin C in the morning and a derivative at night. By using a derivative like THD in your evening routine, you can harness the power of antioxidants 24/7 without the risk of irritation or redness. It is the ultimate esthetician recommended skin care routine for anyone looking to fade hyperpigmentation fast.

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