DDF Sulfur Therapeutic Mask

DDF - Doctor's Dermatologic Formula

Where to buy Possibly in stock

About this product

The DDF - Doctor's Dermatologic Formula DDF Sulfur Therapeutic Mask is a wash-off mask. Our analysis of its 24 ingredients (18 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
Wash-Off Mask
Ingredients
24
Low-risk
18
Fragrance
Contains fragrance
Origin
United States

The evidence

Quick Product Notes

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

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 4/5
Good for dry skin
Prunus Amygdalus Dulcis (Sweet Almond) Oil Sodium PCA Glycerin Propylene Glycol
Caution for dry skin
Kaolin Glycerin PVP Bentonite Talc
Oily/Acne-Prone Skin 2/1
Good for oily/acne-prone skin
Sulfur Ascorbic Acid (Vitamin C)
Caution for oily/acne-prone skin
Prunus Amygdalus Dulcis (Sweet Almond) Oil
Sensitive Skin 7/13
Good for sensitive skin
Kaolin Glycerin Ascorbic Acid (Vitamin C) Sodium Sulfite Talc Allantoin Aloe Barbadensis Leaf Juice
Caution for sensitive skin
Prunus Amygdalus Dulcis (Sweet Almond) Oil Glycerin Propylene Glycol Ascorbic Acid (Vitamin C) Citric Acid Sodium Benzoate Acacia Senegal Gum Potassium Sorbate Methylparaben Ethylparaben Phenoxyethanol Propylparaben Fragrance

Ingredients list

24 total
Lower hazard (1) Higher hazard (8)
All24 Fragrance12 Skin Conditioning8 Preservative7 Skin Protecting6 Humectant6 Masking5 Viscosity Controlling4 Opacifying4
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Sulfur
(Antiacne Agent, Antidandruff Agent, Hair Conditioning, Skin Conditioning Agent Miscellaneous, Antiseborrhoeic, Antistatic Agent, Skin Conditioning)
Good for Oily Skin
Good for Oily Skin
2
A
Bentonite
(Absorbent, Bulking Agent, Emulsion Stabilising, Opacifying, Suspending Agent Nonsurfactant, Viscosity Increasing Agent, Viscosity Controlling)
3
B
Propylene Glycol
(Fragrance, Humectant, Skin Conditioningagent Miscellaneous, Solvent, Viscosity Decreasing Agent, Skin Conditioning, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
3
A
Talc
(Abrasive, Absorbent, Anticaking Agent, Bulking Agent, Opacifying, Skin Protecting, Slip Modifier)
1
A
Kaolin
(Abrasive, Absorbent, Anticaking Agent, Bulking Agent, Opacifying, Skin Protecting, Slip Modifier)
3
A
Acacia Senegal Gum
(Adhesive, Fragrance, Film Forming, Masking)
1
3
Titanium/Titanium Dioxide
(Cosmetic Colorant, Opacifying)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
1
A
PVP
(Binding Agent, Emulsion Stabilising, Film Forming, Hair Fixing, Suspending Agent Nonsurfactant, Antistatic Agent, Binding, Viscosity Controlling)
2
A
Glycerin
(Denaturant, Fragrance, Hair Conditioning, Humectant, Oral Care Agent, Oral Health Care Drug, Skin Protecting, Viscosity Decreasing Agent, Perfuming, Solvent)
Good for Dry Skin
Good for Dry Skin
Fungal Acne
Fungal Acne Trigger
4
A
Methylparaben
(Fragrance, Preservative)
Paraben
Paraben
B
Aloe Barbadensis Leaf Juice
(Skin Conditioning)
Good for Sensitive Skin
Good for Sensitive Skin
7
A
Propylparaben
(Fragrance, Preservative, Perfuming)
Paraben
Paraben
8
Fragrance
(Deodorant, Masking, Perfuming)
2
A
Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking)
Bad for Sensitive Skin
Bad for Sensitive Skin
1
A
Allantoin
(Skin Conditioning, Skin Protecting, Soothing)
Good for Oily Skin
Good for Oily Skin
Good for Sensitive Skin
Good for Sensitive Skin
1
B
Sodium PCA
(Hair Conditioning, Humectant, Antistatic Agent, Skin Conditioning)
Good for Dry Skin
Good for Dry Skin
1
A
Disodium EDTA
(Chelating Agent, Viscosity Controlling)
4
A
Ethylparaben
(Fragrance, Preservative)
Paraben
Paraben
1
A
Prunus Amygdalus Dulcis (Sweet Almond) Oil
(Fragrance, Skin Conditioning Agent Occlusive)
Bad for Oily Skin
Bad for Oily Skin
Fungal Acne
Fungal Acne Trigger
1
A
Ascorbic Acid (Vitamin C)
(Antioxidant, Fragrance, Ph Adjuster, Skin Conditioning, Buffering Agent, Masking)
Good for Dry Skin
Good for Dry Skin
3
A
Potassium Sorbate
(Fragrance, Preservative)
3
A
Sodium Benzoate
(Fragrance, Preservative, Anticorrosive, Masking)
2
A
Sodium Sulfite
(Antioxidant, Hair Waving Or Straightening, Reducing, Preservative)

My Ingredient Notes

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Key ingredients

Sulfur
Skin Conditioning
Propylene Glycol
Humectant, Skin Conditioning
Talc
Skin Protecting
Kaolin
Skin Protecting
Glycerin
Humectant, Skin Protecting
Aloe Barbadensis Leaf Juice
Skin Conditioning

Benefits

Good for oily/acne-prone skin

Concerns

Contains paraben
Not fungal acne (malassezia) safe
Propylparaben — higher EWG
Fragrance — 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

Bentonite
Absorbent, Bulking agent
Low-hazard ingredient.Read moreShow less
EWG 2 CIR A AbsorbentBulking agentEmulsion stabilisingOpacifyingSuspending agent -nonsurfactantViscosity increasing agentViscosity controlling
Talc
Abrasive, Absorbent
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A AbrasiveAbsorbentAnticaking agentBulking agentOpacifyingSkin protectingSlip modifier
Kaolin
Abrasive, Absorbent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A AbrasiveAbsorbentAnticaking agentBulking agentOpacifyingSkin protectingSlip modifier
Acacia Senegal Gum
Adhesive, Fragrance
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A AdhesiveFragranceFilm formingMasking
Titanium/Titanium Dioxide
Cosmetic colorant, Opacifying
Low-to-moderate hazard.Read moreShow less
EWG 1–3 Cosmetic colorantOpacifying
PVP
Binding agent, Emulsion stabilising
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Binding agentEmulsion stabilisingFilm formingHair fixingSuspending agent - nonsurfactantAntistatic agentBindingViscosity controlling
Disodium EDTA
Chelating agent, Viscosity controlling
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Chelating agentViscosity controlling
Potassium Sorbate
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A FragrancePreservative
Sodium Benzoate
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A FragrancePreservativeAnticorrosiveMasking
Sodium Sulfite
Antioxidant, Hair waving or straightening
Low-hazard ingredient.Read moreShow less
EWG 2 CIR A AntioxidantHair waving or straighteningReducingPreservative
Sulfur
Antiacne agent, Antidandruff agent
Low-hazard ingredient.Read moreShow less
EWG 1 Antiacne agentAntidandruff agentHair conditioningSkin-conditioning agent -miscellaneousAntiseborrhoeicAntistatic agentSkin conditioning Good for Oily Skin
Propylene Glycol
Fragrance, Humectant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B FragranceHumectantSkin-conditioningagent - miscellaneousSolventViscosity decreasing agentSkin conditioningViscosity controlling Good for Dry Skin
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben
Glycerin
Denaturant, Fragrance
Low-hazard ingredient.Read moreShow less
EWG 2 CIR A DenaturantFragranceHair conditioningHumectantOral care agentOral health care drugSkin protectingViscosity decreasing agentPerfumingSolvent Good for Dry SkinFungal-acne trigger
Methylparaben
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben
Aloe Barbadensis Leaf Juice
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A CIR B Skin conditioning Good for Sensitive Skin
Propylparaben
Fragrance, Preservative
Higher-hazard ingredient.Read moreShow less
EWG 7 CIR A FragrancePreservativePerfuming Paraben
Fragrance
Deodorant, Masking
Higher-hazard ingredient.Read moreShow less
EWG 8 DeodorantMaskingPerfuming
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
Allantoin
Skin conditioning, Skin protecting
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningSkin protectingSoothing Good for Oily SkinGood for Sensitive Skin
Sodium PCA
Hair conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Hair conditioningHumectantAntistatic agentSkin conditioning Good for Dry Skin
Ethylparaben
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben
Prunus Amygdalus Dulcis (Sweet Almond) Oil
Fragrance, Skin-conditioning agent - occlusive
Potentially comedogenic - can block poresRead moreShow less
EWG 1 CIR A FragranceSkin-conditioning agent - occlusive Bad for Oily SkinFungal-acne trigger
Ascorbic Acid (Vitamin C)
Antioxidant, Fragrance
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A AntioxidantFragrancePh adjusterSkin conditioningBuffering agentMasking Good for Dry Skin

How to use

How to use

  • 1 Where it fits: Use as the first step, on clean hands, before the rest of your routine.
  • 2 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

Effective levels — general guide

The concentrations these actives are typically effective at in research — not a measurement of this product.

Vitamin C (ascorbic) 5–20%

L-ascorbic acid is usually used at 5–20% (around 10–15% is common). Above ~20% adds little and tends to irritate more; it also needs a low pH to work.

Ascorbic Acid (Vitamin C)

INCI lists don't disclose amounts, and we don't claim to know this product's levels — these are the ranges these ingredients are usually effective at, so you can tell a real formula from "fairy-dusting" a marketed active. How we estimate this.

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