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8 reviews
Serums & Treatments, ranked by score out of 10. Ties go to the more recent review.
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01
Differin Gel Review: How Rough Is the Purge, and When It Works
Editor's pick
By Differin
Differin is the cheapest effective acne treatment you can buy without a prescription: a proven retinoid, FDA-approved for over-the-counter use in 2016, at a drugstore price. It is slow, dry and irritating for the first month, and it demands sunscreen and patience. Judge it at 12 weeks, not 12 days. Anyone with severe or cystic acne should see a doctor.
Mild to moderate acne and clogged pores, from age 12 up
From $15.99
From $15.99
8.6
02
Paula's Choice 2% BHA Liquid Exfoliant Review: Still the Pore-Clearing Standard?
By Paula's Choice
This is still the leave-on salicylic acid we would point most people with blackheads and bumpy texture toward: a simple 2% formula at a low pH, with green tea and no fragrance, for $37. It works over weeks rather than overnight, can dry out or sting if overused, and cheaper salicylic toners exist, but few are as consistent.
Oily or combination skin with blackheads and congested pores
$37
$37
8.6
03
The Ordinary Niacinamide 10% + Zinc 1% Review: Is 10% Too Much?
By The Ordinary
The best cheap serum to try for oily, congested or uneven skin: simple water-based formula, no fragrance, and the reformulated texture rarely pills. But 10% is a strong dose. Dry or reactive skin may flush or feel stripped, so start every second night and patch test.
Oily or blemish-prone skin wanting a very cheap first serum
$6.00
$6.00
8.4
04
Timeless 20% Vitamin C + E Ferulic Review: A $28 Alternative?
By Timeless Skin Care
For about $28 you get 20% L-ascorbic acid with vitamin E and ferulic acid, the same trio found in serums costing six times more. It is a strong value if you finish a bottle in a month and store it cold. Timeless does not publish pH or the vitamin E and ferulic percentages, and it darkens quickly.
Daily users who want an affordable antioxidant serum
$27.95
$27.95
8.1
05
COSRX Snail 96 Mucin Essence Review: Hydration or Hype?
By COSRX
A cheap, fragrance-free hydrating essence that works well for dehydrated skin, mostly because of betaine, hyaluronate and panthenol. The snail filtrate itself has limited independent proof, the brand's clinical numbers come from 20 people, and the gel is stringy and can feel tacky in humid weather. It is a poor fit for very oily or acne-prone skin.
Dehydrated, dry or sensitive skin on a small budget
From $9.99
From $9.99
8.0
06
CeraVe Resurfacing Retinol Serum Review: A Gentle First Retinol at $21.99?
By CeraVe
For a first retinol, this is hard to beat on price and tolerability. The encapsulated retinol is released slowly, niacinamide and ceramides cushion the skin, and licorice root adds a gentle brightening step aimed at post-acne marks. It is not a strong product: CeraVe does not publish the retinol percentage, and marks fade over weeks, not days. Expect mild dryness while you adjust, and daily sunscreen is not optional.
First-time retinol users with post-acne marks and uneven texture
$21.99
$21.99
7.8
07
Medik8 Crystal Retinal Review: Which Strength Should a Beginner Pick?
By Medik8
A well-designed, gentle first step into vitamin A. The strength ladder removes guesswork and the airless pump keeps the retinal stable. But the concentrations are low next to cheaper retinal serums, and the formula contains fragrance. Start on 3 if you are new, 6 if you have used retinol, and shop around if price per percent matters.
Retinoid beginners and sensitive skin who want a guided ramp-up
From $56
From $56
7.8
08
SkinCeuticals C E Ferulic Review: Worth $182 Over a $28 Dupe?
By SkinCeuticals
A very good vitamin C serum with the longest clinical record, but the Timeless dupe uses nearly the same formula for about a seventh of the price. Pay the premium only if you want the exact reference recipe.
Normal to oily skin that tolerates acids and wants the reference formula
$185
$185
7.4
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