Index / Theramid / Tetramid C.E.F Intensive Vitamin C Treatment Serum
Theramid

Tetramid C.E.F Intensive Vitamin C Treatment Serum.

Theramid
Tetramid C.E.F Intensive Vitamin C Treatment Serum
Serums

Guru Score

81%

Yay

Early verdict · Few reviews so far
2Gurus
2Yay
0Mixed
0Nay

What the gurus are saying

Unanimous yay from 2 reviewers. Mad About Skin and No BS Beauty both rate it highly. Top take: "It's just a powerhouse formula.", Mad About Skin.
Synthesized from 2 expert reviews · most recent take February 2026

What the gurus are saying.

Every take we've logged from this product's reviews across YouTube. Click any row to watch the moment they said it.

All takes Yay takes Nay takes Mixed takes Hide sponsored
Yay
"It's just a powerhouse formula. And I think goes to show instead of just grabbing the first drugstore vitamin C serum you see, if you do a little research, if you really hunt down those quality formulas for the same price, you can get a whole lot more benefit."
All 2 takes from Mad About Skin
WORLDS GREATEST SKINCARE BRAND 2025 - Theramid Skincare Review
"This packs a punch. It's really inexpensive, but it delivers that glow up, that boost to radiance and luminosity and a fading of hyperpigmentation that you would expect from vitamin C."
Vitamin C Has Changed Forever - OFFICIAL VITAMIN C HALL OF FAME 2026
"It's just a powerhouse formula. And I think goes to show instead of just grabbing the first drugstore vitamin C serum you see, if you do a little research, if you really hunt down those quality formulas for the same price, you can get a whole lot more benefit."
Yay
"A nine out of ten being a perfect score. [...] It's a very nice product. I think people have good luck with it."
Sponsored
All 2 takes from No BS Beauty
30% Off My Favorite Serums - Theramid Skincare Favorites Featuring Peptides, Ceramides, & Actives
"The fuic acid does give it that hot dog water smell so if you're not loving vitamin C serums that have that smell to them it does have that it dissipates but it's still there"
Theramid 🍊🍑 Tetramid C.E.F Intensive Vitamin C Treatment Serum Review, How to Use, & Dupes
"A nine out of ten being a perfect score. [...] It's a very nice product. I think people have good luck with it."

Frequently asked.

Is Theramid Tetramid C.E.F Intensive Vitamin C Treatment Serum worth it?

Yes. All 2 gurus who reviewed it give it their stamp of approval, for a Guru Score of 81%.

What is Theramid Tetramid C.E.F Intensive Vitamin C Treatment Serum's Guru Score?

Theramid Tetramid C.E.F Intensive Vitamin C Treatment Serum holds a Guru Score of 81%. That is our read on how warmly the experts talk about it, based on the verdicts of 2 expert reviewers we have collected.

Cheaper alternatives the gurus rate.

Lower-priced serums the gurus still rate highly, versus this mid-range pick.

See how they stack up →

Similar products worth a look.

Other products the same gurus have weighed in on, plus more from this brand and category.

Compare side by side →

Put this score on your own site.

Free to use, no sign-up. The badge reads live from our data, so it updates itself when the experts change their minds.

Theramid Tetramid C.E.F Intensive Vitamin C Treatment Serum: a Guru Score of 81% from 2 experts on The Guru Index

This week's top beauty news, in your inbox.

A weekly read of the takes worth catching up on: the raves, the splits, the ones the gurus won't shut up about. Free, no spam, unsubscribe whenever.

Subscribe to the digest