About this product
Full ingredients
Guru Score
Yay
Early verdict · Few reviews so farWhat they liked
What they flagged
Nothing. None of the experts who reviewed it raised a problem.
What the gurus are saying
Unanimous yay from 2 reviewers. Dr. Daniel Sugai and Doctorly both rate it highly. Top take: "There's KS they've made a nice night serum this one packs a bigger punch than their other one that has a pep tide but this one is the fast release wrinkle reducing night serum so this one is really nice", Dr. Daniel Sugai.
Every take we've logged from this product's reviews across YouTube. Click any row to watch the moment they said it.
Independent of what the gurus think, this is what the published research supports about the main active ingredients here.
Yes. All 2 gurus who reviewed it give it their stamp of approval, for a Guru Score of 84%.
Kiehl's Retinol Fast-Release Wrinkle-Reducing Night Serum holds a Guru Score of 84%. That is our read on how warmly the experts talk about it, based on the verdicts of 2 expert reviewers we have collected.
Kiehl's Retinol Fast-Release Wrinkle-Reducing Night Serum is generally suited to mature skin.
Lower-priced retinoids the gurus still rate highly, versus this mid-range pick.
See how they stack up →Other products the same gurus have weighed in on, plus more from this brand and category.
Compare side by side →Stories where our editors dug into this product or its brand.
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