A daily AHA exfoliating tonic with lactic acid, azelaic acid, and salicylic acid for gentle skin refinement.
Aqua (Water), Sodium Lactate, Lactic Acid, Heptyl Glucoside, Potassium Azeloyl Diglycinate, Triethyl Citrate, Glyceryl Caprylate, Salix Nigra (Willow) Bark Extract, Benzoic Acid, Citrus Nobilis (Mandarin) Peel Oil, Citrus Aurantium Dulcis (Orange) Flower Oil, Citrus Grandis (Grapefruit) Peel Oil, Citrus Tangerina (Tangerine) Peel Oil, Heptanol, Parfum* (Fragrance), Limonene
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 →Mixed
5 experts · Moderate agreementWhat the gurus are saying
This lactic acid AHA tonic wins praise from reviewers for its hydrating formula and gentler exfoliating approach compared to stronger glycolic formulas. However, the fragrance can trigger sensitivity or rosacea flare-ups, and while it includes azelaic acid, that ingredient didn't deliver on its brightening or acne-fighting claims.
What they liked
What they flagged
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.
Alpha hydroxy acids loosen the bonds holding dead cells at the surface. The evidence supports smoother texture and more even tone over time, and they can leave skin more sensitive to sun.
A daily AHA exfoliating tonic with lactic acid, azelaic acid, and salicylic acid for gentle skin refinement.
The gurus mostly approve it, but with enough reservations to keep it in the middle at a Guru Score of 71%.
Ren Ready Steady Glow Daily AHA Tonic holds a Guru Score of 71%. That is our read on how warmly the experts talk about it, based on the verdicts of 5 expert reviewers we have collected.
Ren Ready Steady Glow Daily AHA Tonic is generally suited to oily skin and acne-prone skin.
Lower-priced masks and peels 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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