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Best-of · Updated May 2026

Best Glutathione Serums

This list identifies 10 glutathione-based serums analyzed within the DermFND database. The top-ranked products, including 35% Vitamin C+ Perfecting Serum and No. 5 Vitamin Concentrated Serum, frequently incorporate vitamin C, niacinamide, peptides, probiotics, prebiotics, hyaluronic acid, centella asiatica, and tranexamic acid. Product pricing across this selection ranges from $26 to $445, with an average cost of $112. These formulations represent a variety of ingredient combinations centered around glutathione and common antioxidant or hydrating components.

Products ranked
10
Scoring scale
/100
Sponsored picks
0
Last updated
May 2026
Top pick
Rank
01
Allies of Skin 35% Vitamin C+ Perfecting Serum 30ml airless pump bottle
Allies of Skin · serum

35% Vitamin C+ Perfecting Serum

Multi-Form Vitamin C MVP

One of the most thoughtful vitamin C serums on the market — five complementary vitamin C derivatives, peptides, niacinamide, and glutathione in a stable, well-tolerated airless package. The price is firmly luxury, but th…

indieFragrance FreeParaben FreePregnancy Safe
84 /100
Price $135.00
Size 30 ml
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Rank
02
Numbuzin No. 5 Vitamin Concentrated Serum 30ml bottle with dropper
Numbuzin · serum

No. 5 Vitamin Concentrated Serum

K-Beauty Brightening Heavy Hitter

Numbuzin's most potent brightening formula and one of the best-formulated depigmenting serums in K-beauty. Six distinct mechanisms in a clean, fragrance-free base with disclosed concentrations of tranexamic acid and niac…

k beautyFragrance FreeParaben FreePregnancy Safe
81 /100
Price $26.00
Size 30ml
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Rank
04
Cosmedix Elite Pepoxide Antioxidant Peptide Concentrate 30ml dropper bottle
Cosmedix · serum

Elite Pepoxide Antioxidant Peptide Concentrate

Pro-Tier Antioxidant Powerhouse

An ambitious professional-tier antioxidant serum built around superoxide dismutase and a genuinely unusual spin trap molecule — ingredients most brands can't be bothered to stabilize. The formulation architecture is impr…

clinicalParaben FreeCruelty Free
74 /100
Price $97.00
Size 30ml
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Rank
05
Murad Vita-C Glycolic Brightening Serum in dual-chamber pump bottle with orange and white packaging
Murad · serum

Vita-C Glycolic Brightening Serum

Gold-Stabilized Brightener

A cleverly engineered brightening serum that solves vitamin C's stability problem through innovative packaging, though the low active concentrations mean the gold-studded delivery system may be more impressive than the d…

dermatologist developedFragrance FreeParaben FreeCruelty Free
69 /100
Price $58.00
Size 1.0 fl oz / 30 mL · other sizes available
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Rank
06
Medicube
Medicube · serum

Collagen Glow Serum

TikTok Glow Hero

A wolf in sheep's clothing — what looks like another collagen marketing play is actually one of the most ingredient-dense anti-aging serums under $30. Retinaldehyde, three signal peptides, glutathione, and seven HA types…

clinicalParaben FreeCruelty Free
67 /100
Price $30.00
Size 3.38 oz / 100 ml
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Rank
07
Medicube
Medicube · serum

Deep Vita C Ampoule

K-Beauty Brightening Powerhouse

A potent 14.5% pure vitamin C ampoule with a clever three-bottle freshness system and glutathione pairing that delivers real brightening results, though the fragrance inclusion and small volume for the price keep it from…

k beautyParaben FreePregnancy SafeCruelty Free
65 /100
Price $37.10
Size 10g x 3 bottles (30g total)
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Rank
08
PCA Skin C-Quench Antioxidant Serum bottle with airless pump dispenser
PCA Skin · serum

C-Quench Antioxidant Serum

Professional-Grade Antioxidant Shield

A potent five-antioxidant formula that delivers real brightening and photoprotection results, but the alcohol and citrus oil base is a puzzling choice for a professional-grade brand. Your skin will glow — just make sure …

clinicalParaben FreePregnancy SafeCruelty Free
65 /100
Price $135.00
Size 1 fl oz / 29.5 ml
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Rank
09
PCA Skin Rejuvenating Serum anti-aging pump bottle
PCA Skin · serum

Rejuvenating Serum

Prevention-First Anti-Aging Serum

A genuinely innovative prevention-first anti-aging serum built around EGF, EGCG, and grape stem cell technology that targets aging from multiple angles before wrinkles arrive. Impressive actives, but the alcohol-heavy ba…

clinicalParaben FreeCruelty Free
64 /100
Price $109.00
Size 1 fl oz / 29 ml
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Rank
10
La Mer The Regenerating Serum in a glass pump bottle with silver and white branding
La Mer · serum

The Regenerating Serum

Luxury Cell Renewal

La Mer's most biochemically ambitious serum introduces a metabolic energy concept — glutathione, creatine, and niacinamide — that reads like cellular biology applied to skincare. The science is genuinely interesting; whe…

luxuryParaben FreePregnancy SafeNot Cruelty Free
50 /100
Price $445.00
Size 1 oz / 30 mL · other sizes available
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How we picked these.

Scores combine ingredient quality, real-world wear data from independent communities, irritation reports, and value per ounce. We don't accept paid placements; ranks come from the data alone.

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