CC Serum.

Serums

About this product

A lightweight vitamin C and niacinamide serum designed for morning use, formulated with vitamin C ester.

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

Guru Score

77%

Approved

4 experts · Moderate agreement

4Gurus

3Approved

1Mixed

0Skip

What the gurus are saying

This serum uses a gentler vitamin C ester rather than pure ascorbic acid, making it better suited for sensitive skin that struggles with active vitamin C. The lightweight formula works best in the morning before sunscreen, which actually enhances sunscreen protection. Early takes are positive, though not many gurus have weighed in with detailed feedback, so there isn't much to go on yet.

Synthesized from 4 expert reviews · most recent take July 2026

Type

Serums

Key actives

Vitamin C NiacinamideVitamin EPeptides Squalane

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.

All takes Approved takes Critical takes Mixed takes Hide sponsored

April Basi

71k subs

✓Mixed

"This formula has two vitamin C derivatives, 3-O-ethyl ascorbic acid and ascorbyl glucoside, both stable forms. Niacinamide is the first ingredient after water, so it's in a really high concentration, which is a wonderful brightening bonus, plus squalane for hydration and peptides for anti-aging support. But this formula contains multiple fragrance components, several of which are known allergens like linalool and citronellol, and for a brightening serum that people often buy specifically for sensitive, reactive, or hyperpigmentation-prone skin, a fragrance cocktail like this is a real red flag, since fragrance in leave-on products can cause contact dermatitis or contact sensitization. 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."

James Welsh

1.58M subs

✓Approved

"But there are amazing Vitamin C serums around nowadays. Glow Recipe, Naturium, Summer Fridays."

No BS Beauty

89k subs

✓Approved

"I like this the summer Friday CC Serum it's it's nice I haven't reviewed it but I definitely will"

Dr. Shereene Idriss

1.72M subs

✓Approved

"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."

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 Serum?

A lightweight vitamin C and niacinamide serum designed for morning use, formulated with vitamin C ester.

Is Summer Fridays CC Serum worth it?

Mostly yes. 3 of the 4 gurus who reviewed it give it their stamp of approval, for a Guru Score of 77%.

What is Summer Fridays CC Serum's Guru Score?

Summer Fridays CC Serum holds a Guru Score of 77%. That is our read on how warmly the experts talk about it, based on the verdicts of 4 expert reviewers we have collected.