Dark Spot Correcting Serum 2% Hydroquinone

Differin

Dark Spot Correcting Serum 2% Hydroquinone

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About this product

The Differin Dark Spot Correcting Serum 2% Hydroquinone is a emulsion. Our analysis of its 14 ingredients (10 low-risk) rates it Excellent (86/100). Based on its ingredients, it looks well-suited to oily / acne-prone skin. Heads up: it contains fragrance, which can irritate sensitive or reactive skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Emulsion
Ingredients
14
Low-risk
10
Fragrance
Contains fragrance
Origin
United States
Status
Discontinued
Data updated
Jun 2026

The evidence

Quick Product Notes

Paraben-Free Sulfate-Free Alcohol-Free Silicone-Free EU Allergen-Free Fungal Acne (Malassezia) Safe Minimal Ingredients

Notable Effects & Ingredients

No Notable Effects & Ingredients

Ingredients Related to Skin Types

Good   Bad — tap a skin type to see which ingredients · estimated from ingredient functions
Dry Skin 2/3
Good for dry skin
Hippophae Rhamnoides Oil Caprylyl Glycol
Caution for dry skin
Polysorbate 20 PEG-40 Hydrogenated Castor Oil Alcohol Denat.
Oily/Acne-Prone Skin 1/0
Good for oily/acne-prone skin
Alcohol Denat.
Sensitive Skin 3/4
Good for sensitive skin
Sodium Sulfite Sodium Metabisulfite Hydroquinone
Caution for sensitive skin
Citric Acid PEG-40 Hydrogenated Castor Oil Alcohol Denat. Hydroquinone

Ingredients list

14 total
Lower hazard (1) Higher hazard (9)
All14 Fragrance4 Antioxidant3 Solvent3 Viscosity Controlling3 Skin Conditioning3 Hair Waving Or Straightening2 Reducing2 Preservative2
EWG CIR Ingredient Name & Cosmetic Functions Notes
9
Hydroquinone
(Antioxidant, Fragrance, Hair Dyeing Reducing, Skin Bleaching Agent, Hair Dyeing)
1
A
1,2-Hexanediol
(Solvent)
4
Alcohol Denat.
(Antifoaming Agent, Antimicrobial, Astringent, Masking, Solvent, Viscosity Controlling)
Bad for Dry Skin
Bad for Dry Skin
Bad for Sensitive Skin
Bad for Sensitive Skin
1
A
Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant)
2
A
Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking)
Bad for Sensitive Skin
Bad for Sensitive Skin
1
A
Disodium EDTA
(Chelating Agent, Viscosity Controlling)
PARFUM
(Fragrance, Perfuming)
1
A
Hippophae Rhamnoides Oil
(Emollient, Skin Conditioning)
Fungal Acne
Fungal Acne Trigger
1
A
Hydroxyethylcellulose
(Binding Agent, Emulsion Stabilising, Film Forming, Viscosity Increasing Agent, Binding, Stabilising, Viscosity Controlling)
3
B
PEG-40 Hydrogenated Castor Oil
(Fragrance, Emulsifying, Surfactant, Perfuming)
Fungal Acne
Fungal Acne Trigger
3
B
Polysorbate 20
(Emulsifying, Surfactant)
Fungal Acne
Fungal Acne Trigger
4
A
Sodium Metabisulfite
(Antioxidant, Preservative, Reducing)
2
A
Sodium Sulfite
(Antioxidant, Hair Waving Or Straightening, Reducing, Preservative)
1
Water
(Solvent)

My Ingredient Notes

No personal ingredient notes yet. Save ingredients to your profile to get good/bad alerts here.

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Key ingredients

Hydroquinone
Antioxidant
Alcohol Denat.
Astringent
Caprylyl Glycol
Skin Conditioning, Emollient
Hippophae Rhamnoides Oil
Emollient, Skin Conditioning
Sodium Metabisulfite
Antioxidant
Sodium Sulfite
Antioxidant

Benefits

Good for oily/acne-prone skin

Concerns

Not fungal acne (malassezia) safe
Hydroquinone — higher EWG
May not suit dry skin
May not suit sensitive skin

EWG flags hazard, not real-world risk — ratings don't account for how much of an ingredient a product contains. Treat these as things to research, not verdicts. How we score →

Ingredients explained

1,2-Hexanediol
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Solvent
Caprylyl Glycol
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningEmollientHumectant
Disodium EDTA
Chelating agent, Viscosity controlling
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Chelating agentViscosity controlling
PARFUM
Fragrance, Perfuming
Limited public safety data.Read moreShow less
EWG N/A FragrancePerfuming
Hydroxyethylcellulose
Binding agent, Emulsion stabilising
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Binding agentEmulsion stabilisingFilm formingViscosity increasing agentBindingStabilisingViscosity controlling
Sodium Metabisulfite
Antioxidant, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A AntioxidantPreservativeReducing
Sodium Sulfite
Antioxidant, Hair waving or straightening
Low-hazard ingredient.Read moreShow less
EWG 2 CIR A AntioxidantHair waving or straighteningReducingPreservative
Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Hydroquinone
Antioxidant, Fragrance
Higher-hazard ingredient.Read moreShow less
EWG 9 AntioxidantFragranceHair dyeing reducingSkin bleaching agentHair dyeing
Alcohol Denat.
Antifoaming agent, Antimicrobial
Causes moisture evaporation - prone to dry out skinRead moreShow less
EWG 4 Antifoaming agentAntimicrobialAstringentMaskingSolventViscosity controlling Bad for Dry SkinBad for Sensitive Skin
Citric Acid
Chelating agent, Fragrance
Skin irritation can occur at high concentrationRead moreShow less
EWG 2 CIR A Chelating agentFragrancePh adjusterBuffering agentMasking Bad for Sensitive Skin
Hippophae Rhamnoides Oil
Emollient, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientSkin conditioning Fungal-acne trigger
PEG-40 Hydrogenated Castor Oil
Fragrance, Emulsifying
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B FragranceEmulsifyingSurfactantPerfuming Fungal-acne trigger
Polysorbate 20
Emulsifying, Surfactant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B EmulsifyingSurfactant Fungal-acne trigger

How to use

How to use

  • 1 Morning & evening: Suitable for both AM and PM use.

General guidance from this product's category and active ingredients — always follow the directions on the package.

Trust & honesty

Pregnancy & breastfeeding

Contains ingredients some choose to avoid or double-check while pregnant or nursing.

Often avoided
Hydroquinone (Hydroquinone)

Commonly advised to avoid in pregnancy because a relatively high proportion is absorbed through the skin.

This is general information, not medical advice. Pregnancy guidance varies and depends on concentration and your individual situation — always check with your doctor, midwife or pharmacist. How we flag this.

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