A 0.2% retinaldehyde gel formulated for anti-aging and skin renewal.
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Guru Score
The Guru Score: every expert's verdict on a product, in one simple number.
Under the score you'll see how many experts weighed in, or "Early verdict" while only a few have. Paid takes count for half in the score.
Guru Certified means at least 6 experts, a score of 85% or more, and almost no Nays.
How we score →Yay
Early verdict · Few reviews so farWhat the gurus are saying
This 0.2% retinaldehyde gel works best for experienced retinoid users; those new to the active may want the 0.1% version and should ramp up slowly, maybe one night a week at first. Experts praise it for anti-aging power, noting it helps skin shed dead cells faster and bring fresh skin to the surface, making skin brighter and smoother, with minimal irritation when used thin and buffered with moisturizer. The formulation is texturally well-executed.
What they liked
What they flagged
Nothing. None of the experts who reviewed it raised a problem.
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.
A 0.2% retinaldehyde gel formulated for anti-aging and skin renewal.
Yes. All 3 gurus who reviewed it give it their stamp of approval, for a Guru Score of 85%.
Prequel Retinal Renew Retinaldehyde Gel 0.2% holds a Guru Score of 85%. That is our read on how warmly the experts talk about it, based on the verdicts of 3 expert reviewers we have collected.
Prequel Retinal Renew Retinaldehyde Gel 0.2% 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.
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