Index / Summer Fridays / CC Me Vitamin C Serum
Summer Fridays

Summer Fridays CC Me Vitamin C Serum.

About this product

A lightweight vitamin C and niacinamide serum designed to brighten skin and support sun protection when used before sunscreen.

Full ingredients

Water/​Aqua/​Eau, Niacinamide, 3-O-Ethyl Ascorbic Acid, Ascorbyl Glucoside, Butylene Glycol, Hydroxyethyl Acrylate/​Sodium Acryloyldimethyl Taurate Copolymer, Glycerin, Xanthan Gum, Squalane, Diheptyl Succinate, Capryloyl Glycerin/​Sebacic Acid Copolymer, Citric Acid, Sodium Citrate, Sodium Hydroxide, Carbomer, Polysorbate 20, Palmitoyl Tripeptide-1, Palmitoyl Tetrapeptide-7, Camellia Oleifera Leaf Extract, Orchis Mascula Flower Extract, Caprylic/​Capric Triglyceride, Cananga Odorata Flower Extract, Cucumis Melo Cantalupensis Fruit Extract, Eugenia Caryophyllus (Clove) Flower Extract, Glycine Soja (Soybean) Oil, Pyrus Malus (Apple) Fruit Extract, Prunus Armeniaca (Apricot) Fruit Extract, Rosa Gallica Flower Extract, Cinnamomum Cassia Bark Extract, Jasminum Officinale (Jasmine) Flower/​Leaf Extract, Coffea Arabica (Coffee) Seed Extract, Camellia Sinensis Leaf Extract, Tocopheryl Acetate, Tetrasodium Glutamate Diacetate, Phenoxyethanol, Ethylhexylglycerin, Amyl Cinnamal, Cinnamyl Alcohol, Eugenol

More from Summer Fridays 20 products · Guru Score 88% →

Guru Score

78%

Yay

5 experts · Moderate agreement

What the gurus are saying

This serum earns consistent praise for its lightweight texture and the solid niacinamide concentration, but fragrance is a real concern for those with sensitive skin. The vitamin C forms (ethyl ascorbic acid and ascorbyl glucoside) are gentler ester versions rather than the most potent option, making this a thoughtful choice for sensitive types or anyone new to vitamin C who wants to ease in without irritation. The watery formula applies cleanly and won't feel heavy under sunscreen, though the collagen-boosting benefits from the ascorbyl glucoside are modest compared to more active vitamin C forms.
Synthesized from 5 expert reviews · most recent take July 2026

What they liked

  • High niacinamide concentration
  • Lightweight formula
  • Stable vitamin C derivatives

What they flagged

  • Fragrance problematic for sensitive skin

Type

Formula notes

No drying alcohol

Where to buy

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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.

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✓Mixed
"The vitamin C complex is legit and the niacinamide concentration is genuinely really good, but the fragrance load in the brightening serum is a significant concern, especially for anyone with sensitive or reactive skin. Beautiful packaging, great ingredients, but the fragrance is something to definitely watch out for."
✓Yay
"I like this, the Summer Fridays CC serum. It's nice."
✓Yay
"She has her CC Serum, which is the vitamin C and niacinamide serum for 66 dollars. It is a vitamin C ester. It is not the active form of vitamin C, and it is extremely lightweight. I would say worthwhile trying for the morning time, especially if you have sensitive skin and you cannot tolerate a vitamin C. It's important to incorporate a vitamin C before applying sunscreen because it does make the sunscreen work better for you."
All 4 takes from Dr. Shereene Idriss
17 Best Serums to Shop from the Sephora Sale 2024! | Dr. Shereene Idriss
"Summer Fridays CC Me Vitamin C Serum [...] has their 30 ethyl ascorbic acid and escoro glucoside, two Ester forms of vitamin C. They're not necessarily the most effective forms of the Ester forms of vitamin C, but they're good for beginners or people with really sensitive skin."
New Vitamin C! Tetrahexyldecyl Ascorbate & 3-O Ethyl Ascorbic Acid | Dr. Shereene Idriss
"I love that it comes in a pump. [...] This one retails for 66 dollars and it's mixed with Niacinamide inside so just so that you guys are aware so that you don't waste your time going to buy another niacinamide product. It is a more watery component [...] compared to oilier ones like the CEO by Sunday Riley or the one by Allies of Skin. It has a very slight scent to it that doesn't actually bother me and it is a beautiful, beautifully formulated product, to be honest."
Sephora Sale Top Picks 2023 | Dr. Shereene Idriss
"She has her CC Serum, which is the vitamin C and niacinamide serum for 66 dollars. It is a vitamin C ester. It is not the active form of vitamin C, and it is extremely lightweight. I would say worthwhile trying for the morning time, especially if you have sensitive skin and you cannot tolerate a vitamin C. It's important to incorporate a vitamin C before applying sunscreen because it does make the sunscreen work better for you."
Best Vitamin C Forms & Products for Every Skin Type! | Dr. Shereene Idriss
"Summer Fridays combines the form known as ascorbyl glucoside as well as the 3-O ethyl ascorbate form. Ascorbyl glucoside is [...] water soluble, so although it offers the same benefits as vitamin C in terms of antioxidant production and collagen production and pigmentation, the absorption is not great. I would say this form of vitamin C is one you would use in order to get more of that collagen-boosting effect."
✓Yay
"My first memory of the Summer Fridays Vitamin C Serum was being pleasantly surprised. [...] For me it's almost perfection in a bottle. It was different from other vitamin C serums because it was really light, it didn't have that synthetic feel, and it literally goes on the skin and feels like water."
✓Yay
"There are amazing Vitamin C serums around nowadays. Whether I like it or not, simply applying a Vitamin C serum in the same routine as my sunscreen is going to do my skin so many favors. My mind is stuck in the days of old, stingy Vitamin C serums that smelled like hot dog water and metal. I used to get really stingy skin and little red bumps. But those days are gone."
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What the evidence says.

Independent of what the gurus think, this is what the published research supports about the main active ingredients here.

Vitamin C

Topical vitamin C is an antioxidant with reasonable evidence for dullness and uneven tone. It breaks down in light and air, so how a product is formulated and packaged matters as much as the percentage on the front.

Source: DermNet

Niacinamide

Niacinamide has evidence behind it for redness, uneven tone and supporting the skin barrier, and it is usually well tolerated even by skin that reacts to most things.

Source: DermNet

Humectants and emollients

Ingredients like these draw water into the surface layers and slow how fast it leaves. The evidence is for comfort, softness and hydration rather than for changing the structure of the skin.

Source: DermNet

Frequently asked.

What is Summer Fridays CC Me Vitamin C Serum?

A lightweight vitamin C and niacinamide serum designed to brighten skin and support sun protection when used before sunscreen.

Is Summer Fridays CC Me Vitamin C Serum worth it?

Mostly yes. 4 of the 5 gurus who reviewed it give it their stamp of approval, for a Guru Score of 78%.

What is Summer Fridays CC Me Vitamin C Serum's Guru Score?

Summer Fridays CC Me Vitamin C Serum holds a Guru Score of 78%. That is our read on how warmly the experts talk about it, based on the verdicts of 5 expert reviewers we have collected.

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