Custom Formula (Adapalene 0.1%, Benzoyl Peroxide 2.5%, Niacinamide 4%)

Dermatica

Custom Formula (Adapalene 0.1%, Benzoyl Peroxide 2.5%, Niacinamide 4%)

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About this product

The Dermatica Custom Formula (Adapalene 0.1%, Benzoyl Peroxide 2.5%, Niacinamide 4%) is a misc. Our analysis of its 31 ingredients (27 low-risk) rates it Excellent (99/100). Based on its ingredients, it looks well-suited to oily / acne-prone and dry skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Misc
Ingredients
31
Low-risk
27
Fragrance
Fragrance-free
Origin
United Kingdom
Data updated
May 2026

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 9/7
Good for dry skin
Glyceryl Stearate Cetyl Alcohol Isododecane Isohexadecane Sodium Hyaluronate Glycerin Propylene Glycol Cholesterol Dimethicone
Caution for dry skin
Diethylhexyl Sodium Sulfosuccinate Cetyl Alcohol Sodium Lauroyl Lactylate Xanthan Gum Glycerin Sodium Hydroxide Polysorbate 20
Oily/Acne-Prone Skin 1/0
Good for oily/acne-prone skin
Benzoyl Peroxide
Sensitive Skin 3/6
Good for sensitive skin
Glycerin Dimethicone Tocopheryl Acetate
Caution for sensitive skin
Cetyl Alcohol Sodium Citrate Isododecane Glycerin Propylene Glycol Phenoxyethanol

Ingredients list

31 total
Lower hazard (1) Higher hazard (4)
All31 Skin Conditioning19 Viscosity Controlling8 Hair Conditioning7 Solvent7 Emulsion Stabilising7 Emollient6 Viscosity Increasing Agent6 Emulsifying6
EWG CIR Ingredient Name & Cosmetic Functions Notes
3
Benzoyl Peroxide
(Antiacne Agent, Oxidising Agent)
1
A
Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing)
1
Water
(Solvent)
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
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
1
A
Panthenol
(Antistatic Agent, Hair Conditioning, Skin Conditioning)
Good for Dry Skin
Good for Dry Skin
1
A
Cetyl Alcohol
(Emulsion Stabilising, Fragrance, Opacifying, Emulsifying, Surfactant, Foam Boosting, Viscosity Increasing Agent, Emollient, Masking, Viscosity Controlling)
1
A
Glyceryl Stearate
(Emollient, Emulsifying)
Fungal Acne
Fungal Acne Trigger
1
B
Isohexadecane
(Skin Conditioning, Emollient, Solvent)
1
B
Isododecane
(Fragrance, Solvent, Emollient, Perfuming)
1
C13-15 Alkane
(Solvent)
3
A
Dimethicone
(Antifoaming Agent, Skin Protecting, Emollient, Skin Conditioning)
Silicone
Silicone
1
Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling)
2
Polyacrylate-13
(Film Forming)
1
A
Polyisobutene
(Binding Agent, Film Forming, Viscosity Increasing Agent, Binding, Viscosity Controlling)
3
B
Polysorbate 20
(Emulsifying, Surfactant)
Fungal Acne
Fungal Acne Trigger
Polyurethane-39
(Viscosity Controlling)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
3
Tocopheryl Acetate
(Antioxidant, Skin Conditioning)
Bad for Oily Skin
Bad for Oily Skin
Ceramide AP
(Hair Conditioning, Skin Conditioning)
Ceramide EOP
(Hair Conditioning, Skin Conditioning)
1
Ceramide NP
(Hair Conditioning, Skin Conditioning)
1
Phytosphingosine
(Hair Conditioning, Skin Conditioning)
1
A
Cholesterol
(Emulsion Stabilising, Skin Conditioning, Viscosity Increasing Agent, Emollient, Emulsifying, Stabilising, Viscosity Controlling)
1
Sodium Lauroyl Lactylate
(Emulsifying, Surfactant)
1
A
Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling)
1
A
Carbomer
(Emulsion Stabilising, Viscosity Increasing Agent, Gel Forming, Viscosity Controlling)
1
A
Sodium Hyaluronate
(Skin Conditioning, Humectant)
Good for Dry Skin
Good for Dry Skin
1
A
Sodium Citrate
(Ph Adjuster, Buffering Agent, Chelating, Masking)
1
A
Diethylhexyl Sodium Sulfosuccinate
(Cleansing, Emulsifying, Hydrotrope, Surfactant)
3
B
Sodium Hydroxide
(Denaturant, Ph Adjuster, Buffering Agent)

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

Ceramides
Locks in moisture and supports skin barrier.
Retinoid
Visibly reduces the signs of aging.
Vitamin E
Protects skin and soothes irritation.
Niacinamide
Strengthens, smooths, and brightens skin.
Benzoyl Peroxide
Targets acne-causing bacteria and clears breakouts.
Hyaluronic Acid
Hydrates by attracting and holding water.
Antioxidants
Shields skin from free radical damage.
Show all 7 key ingredients

Benefits

HydratingBoosts hydration and relieves dry, tight skin.
Barrier RepairStrengthen and restore your skin's natural barrier.
Anti-AgingSoftens lines and helps skin look youthful.
Redness ReducingSoothes visible redness and calms irritation.
Reduces IrritationEases discomfort and supports skin resilience.
Scar HealingImproves the look of marks and scars.
Acne FightingFights acne and helps prevent breakouts.
BrighteningRestores radiance to dull, tired skin.

Concerns

Contains paraben
Contains silicone
Not fungal acne (malassezia) safe
May not suit sensitive skin

Ingredients explained

Benzoyl Peroxide
Antiacne agent, Oxidising agent
Low-to-moderate hazard.Read moreShow less
EWG 3 Antiacne agentOxidising agent
Niacinamide
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningSmoothing
Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Cetyl Alcohol
Emulsion stabilising, Fragrance
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Emulsion stabilisingFragranceOpacifyingEmulsifyingSurfactantFoam boostingViscosity increasing agentEmollientMaskingViscosity controlling
Isohexadecane
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Skin conditioningEmollientSolvent
Isododecane
Fragrance, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B FragranceSolventEmollientPerfuming
C13-15 Alkane
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Propanediol
Solvent, Viscosity decreasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 SolventViscosity decreasing agentViscosity controlling
Polyacrylate-13
Film forming
Low-hazard ingredient.Read moreShow less
EWG 2 Film forming
Polyisobutene
Binding agent, Film forming
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Binding agentFilm formingViscosity increasing agentBindingViscosity controlling
Polyurethane-39
Viscosity controlling
Limited public safety data.Read moreShow less
EWG N/A Viscosity controlling
Ceramide AP
Hair conditioning, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Hair conditioningSkin conditioning
Ceramide EOP
Hair conditioning, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Hair conditioningSkin conditioning
Ceramide NP
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Hair conditioningSkin conditioning
Phytosphingosine
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Hair conditioningSkin conditioning
+ 7 more — see the full ingredients list above
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
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
Panthenol
Antistatic agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antistatic agentHair conditioningSkin conditioning Good for Dry Skin
Glyceryl Stearate
Emollient, Emulsifying
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientEmulsifying Fungal-acne trigger
Dimethicone
Antifoaming agent, Skin protecting
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Antifoaming agentSkin protectingEmollientSkin conditioning Silicone
Polysorbate 20
Emulsifying, Surfactant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B EmulsifyingSurfactant Fungal-acne trigger
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben
Tocopheryl Acetate
Antioxidant, Skin conditioning
Potentially comedogenic - can block poresRead moreShow less
EWG 3 AntioxidantSkin conditioning Bad for Oily Skin
Sodium Hyaluronate
Skin conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningHumectant Good for Dry Skin

How to use

How to use

  • 1 Evening, start slow: Best in the PM a few times a week to begin with; avoid layering with other strong actives the same night.
  • 2 Wear SPF the next day: Acids and retinoids increase sun sensitivity — daily sunscreen is a must while using this.

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.

Ask your doctor
Benzoyl Peroxide (Benzoyl Peroxide)

Often considered acceptable for limited spot use, but many clinicians prefer you check first.

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.

Effective levels — general guide

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

Niacinamide 2–5% (up to 10%)

Most research uses 2–5%; some formulas go to 10%. Very high levels can cause flushing in sensitive skin.

Niacinamide

Benzoyl Peroxide 2.5–10% (OTC)

Lower strengths (2.5–5%) work about as well as 10% for many people, with less dryness and irritation.

Benzoyl Peroxide

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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