Evidence-graded serum reviews
The truth about what’s in your serum.
We read the ingredient list, check the doses against the research, and score every serum with one transparent rubric, so you can tell a real formula from a pretty bottle.
Browse by category
All categories →- Vitamin C & antioxidants14
Brightness and environmental defense.
- Retinoids15
The best-evidenced anti-aging actives.
- Peptides8
Signal peptides for firmness and fine lines.
- Exfoliating acids15
AHAs, BHA and PHA for texture and tone.
- Brightening24
Niacinamide, tranexamic acid and dark-spot actives.
- Hydration & barrier33
Hyaluronic acid, ceramides and soothing botanicals.
The SerumProof score
Evidence (30). How strong is the research behind the key actives?
Potency (25). Are those actives dosed like they were in the studies, and not fairy-dusted?
Delivery & stability (20). Do the delivery tech and packaging protect fragile actives?
Formulation (10). Does the brand disclose what’s inside, and is the lineup coherent and current-generation?
Value (15). What does a month of use cost, compared to the category?
Top-scored serums
All reviews →- $29NaturiumRetinaldehyde Cream Serum 0.05%
A well-evidenced retinal at a genuine dose, microencapsulated and disclosed, in a large 50ml bottle for under thirty dollars. On proven active per dollar it is one of the strongest retinal picks on the board.
- $27.95Timeless20% Vitamin C + E Ferulic Acid Serum
One of the great value plays in the vitamin C aisle: the studied antioxidant trio, openly dosed, for the price of a couple of coffees. You give up the stability testing and long shelf life of the prestige names, and 20% is more than reactive skin wants. Used fresh and stored cool, it is hard to beat on active per dollar.
- $14.9The OrdinaryRetinal 0.2% Emulsion
An unusual amount of well-evidenced retinal for the money, delivered and packaged properly. It is more assertive than the encapsulated retinols, so ease in slowly. On proven active per dollar it is one of the strongest picks on the whole board.
- $16The Inkey ListRetinol Serum
A lot of disclosed, sensibly delivered retinol for under twenty dollars, packaged the way retinol should be. 1% is not a beginner strength, so ramp up slowly. As a low-cost way into a well-evidenced active, it is very easy to recommend.
- $14.9Geek & GorgeousA-Game 5
A budget retinal that gets the important things right: a well-evidenced active, encapsulated, in packaging that keeps it stable. The starting strength is gentle, which is the point. For the price it is one of the better ways to try retinal.
- $25CeraVeSkin Renewing Retinol Serum
A second CeraVe retinol, this one pointed at fine lines, with proper encapsulation and barrier support at a drugstore price. The undisclosed strength is the catch, but on delivery and value it is very easy to recommend.