Benton Vitamin C Serum Dupes & Cheaper Alternatives
From 4 Reddit threads · Updated October 29, 2026
Vitamin C, glutathione, and panthenol target dullness and early aging; freshness matters. Here's what Redditors reach for instead.
The short answer
Best Overall Alternative20% L-ascorbic acid with Ferulic Acid and Alpha Tocopherol · $25.16 · 30 ml
Best Cheaper AlternativeCentella-focused seven-ingredient formula · $6.00 · 30 ml vs $33.00 for the original
Same Active: Vitamin C15% L-ascorbic acid; standout brightening and tone-evening results · $147.96 · 30 ml
#1
Best Overall Alternative
- Key actives: Vitamin C 20%, L-Ascorbic Acid 20%
- Size: 30 ml
- Price per ml: $0.84/ml (original $1.10/ml)
The why
A 20% L-ascorbic acid serum with Alpha Tocopherol and Ferulic Acid for stubborn discoloration, dullness, and preventative antioxidant use. It suits experienced active-users more than beginners, since burning, redness, dryness, and breakouts are recurring complaints.
One minus
20% strength can burn, redden, or peel reactive skin
The original, at a glance
- Why people love it
- 20% vitamin C serum with strong AsianBeauty visibility
- Price
- $33.00 · 30 ml · $1.10/ml
#2
Best Cheaper Alternative
Madagascar Centella Asiatica Ampoule
Skin1004·Serum
See alternativesCentella-focused seven-ingredient formula
- Size: 30 ml
- Price per ml: $0.20/ml (original $1.10/ml)
The why
A watery Centella Asiatica Extract serum with Glycerin, built for redness, irritation, and recovery nights around tretinoin. Sensitive, rosacea-prone users often love its quick layering; acne-prone skin can develop closed comedones or cystic breakouts.
One minus
Closed comedones and cystic breakouts hit some acne-prone users
Good forSensitive Skin, Dry Skin
#3
Same Active: Vitamin C
SkinCeuticals·Serum
See alternatives15% L-ascorbic acid; standout brightening and tone-evening results
- Key actives: L-ascorbic acid 15%, alpha tocopherol 1%
- Size: 30 ml
- Price per ml: $4.93/ml (original $1.10/ml)
The why
A 15% L-ascorbic acid serum paired with tocopherol and ferulic acid for antioxidant protection and visible tone-evening. It suits experienced vitamin-C users chasing pigmentation and glow, but irritation, hot-dog odor, oxidation, and cost are real.
One minus
Extremely expensive beside cheaper near-identical formulas
Good forDry Skin, Sensitive Skin
Other alternatives worth a look
Beta-glucan visibly plumps dehydration lines · 406 mentions
Oily SkinLightweight
Multi-weight hyaluronic acid hydrates without sticky residue · 293 mentions
Oily SkinAlcohol-Free
Tranexamic acid plus niacinamide for pigment-focused routines · 116 mentions
Oily SkinDewy Finish
15% pure L-ascorbic acid; strongest vitamin C form · 86 mentions
Normal SkinUnder Makeup
5% tetrahexyldecyl ascorbate — gentler vitamin C starting point · 70 mentions
Ceramides
15% ascorbic acid with ferulic acid and tocopherol · 63 mentions
BrighteningHyperpigmentation
Gentle daily brightener for dark spots · 50 mentions
Oily SkinHyperpigmentation
Browse more
Reddit's best serums by ingredient list
Looking for a different product?