Products › Treatment › Sunday Riley A+ High-Dose Retinoid Serum
A+ High-Dose Retinoid Serum
Sunday Riley A+ High-Dose Retinoid Serum's recognized actives are present, but the brand doesn't disclose their concentrations — so we can't confirm they reach effective doses. We withhold a grade rather than guess.
Actives pyramid
What's actually in it, ranked by how well it's dosed.
What it does
Evidenced benefit intensity, derived from dosed actives.
The receipt
Every point of this grade, traced to the active, its dose, and the evidence.
Retinol present — concentration not disclosed
A recognized active, but without a labeled % we can't confirm it reaches the effective ~0.25% dose.
Pros & cons
The honest tradeoffs.
- Recognized formulation base
- Retinol concentration not disclosed — can't confirm it's effective
- Premium price for a sub-C efficacy grade
Best for
Who and when this fits.
Dupes & alternatives
Cheaper products in the same category that grade equal or higher.
B The Ordinary AHA 30% + BHA 2% Peeling Solution$10
save 88% C Differin Differin Adapalene Gel 0.1%
$15
save 82% C Geek & Gorgeous Cheer Up (5% Mandelic + 1% BHA Liquid Exfoliant)
$30
save 65% C Paula's Choice 10% Azelaic Acid Booster
$40
save 53%
Where to buy
You can't pay to move a grade. This opens an Amazon search — we may earn a small commission at no cost to you.
Grade your whole routine
Add this product and the rest of your shelf, see your overall Skin Score, and find every cheaper dupe at once.
Is this your brand?
Get Visage Verified to respond to this grade, add a clinical study, or correct the ingredient list.
Get Visage VerifiedBased on published concentration thresholds and formulation science. Our algorithm predicts likely efficacy — it does not test the product. Individual results vary. Not evaluated by the FDA. You can't pay to move a grade — Visage Theory is paid only for optional audits and seal licenses, never to change a letter.