Summer Fridays Vitamin C Serum: a Guru Score of 75%

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

"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."

What the evidence says.

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

Frequently asked.

Is Summer Fridays Vitamin C Serum worth it?

Mostly yes. 1 of the 2 gurus who reviewed it give it their stamp of approval, for a Guru Score of 75%.

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

Summer Fridays Vitamin C Serum holds a Guru Score of 75%. That is our read on how warmly the experts talk about it, based on the verdicts of 2 expert reviewers we have collected.