Definitive Optimising Mask

Auteur

Where to buy Possibly in stock

About this product

The Auteur Definitive Optimising Mask is a wash-off mask. Our analysis of its 40 ingredients (24 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
Wash-Off Mask
Ingredients
40
Low-risk
24
Fragrance
Fragrance-free
Origin
Germany
Data updated
Jun 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 10/6
Good for dry skin
Glyceryl Stearate Sodium Acetylated Hyaluronate Sodium Hyaluronate Crosspolymer Squalane Caprylic/Capric Triglyceride Sodium Hyaluronate Glycerin Pantolactone Hydrogenated Starch Hydrolysate Tremella Fuciformis Sporocarp Extract
Caution for dry skin
Xanthan Gum Glycerin Polyglyceryl-3 Dicitrate/Stearate Hydrogenated Phosphatidylcholine Menthol Alcohol Denat.
Oily/Acne-Prone Skin 1/0
Good for oily/acne-prone skin
Alcohol Denat.
Sensitive Skin 4/5
Good for sensitive skin
Glycerin Tremella Fuciformis Sporocarp Extract Menthol Aloe Barbadensis Leaf Juice Powder
Caution for sensitive skin
Menthyl Lactate Caprylic/Capric Triglyceride Glycerin Menthol Alcohol Denat.

Ingredients list

40 total
Lower hazard (1) Higher hazard (4)
All40 Skin Conditioning31 Humectant9 Hair Conditioning8 Solvent5 Fragrance5 Masking4 Viscosity Controlling4 Oral Care Agent3
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
Caryodendron Orinocense Seed Oil
(Hair Conditioning)
1
A
Pentylene Glycol
(Skin Conditioning, 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
Maltooligosyl Glucoside
(Binding, Film Forming, Skin Conditioning)
1
Polyglyceryl-3 Dicitrate/Stearate
(Emulsifying, Surfactant)
1
A
Glyceryl Stearate
(Emollient, Emulsifying)
Fungal Acne
Fungal Acne Trigger
MANGIFERA INDICA SEED BUTTER
(Skin Conditioning)
salix alba bark extract
(Astringent, Hair Conditioning, Skin Conditioning, Soothing, Tonic)
1
A
Hydrogenated Starch Hydrolysate
(Humectant, Oral Care Agent)
1
A
Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling)
1
A
Panthenol
(Antistatic Agent, Hair Conditioning, Skin Conditioning)
Good for Dry Skin
Good for Dry Skin
SIMMONDSIA CHINENSIS SEED OIL
(Hair Conditioning, Skin Conditioning, Skin Conditioning Emollient)
1
3
Aloe Barbadensis Leaf Juice Powder
(Skin Conditioning)
Good for Sensitive Skin
Good for Sensitive Skin
1
Menthol
(Denaturant, External Analgesic, Flavoring Agent, Fragrance, Oral Health Caredrug, Masking, Refreshing, Soothing)
Good for Oily Skin
Good for Oily Skin
Bad for Sensitive Skin
Bad for Sensitive Skin
Bad for Dry Skin
Bad for Dry Skin
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)
1
Tremella Fuciformis Sporocarp Extract
(Antioxidant, Hair Conditioning, Humectant, Skin Conditioning)
Helianthus Annuus Seed Oil
(Fragrance, Skin Conditioning, Skin Conditioning Emollient)
1
Phytic Acid
(Chelating Agent, Oral Care Agent)
1
A
Caprylic/Capric Triglyceride
(Emollient, Masking, Perfuming, Skin Conditioning, Solvent)
1
A
Hydrogenated Phosphatidylcholine
(Skin Conditioning, Emulsifying, Surfactant)
1
Menthyl Lactate
(Flavoring Agent, Fragrance, Masking, Refreshing)
Butyrospermum Parkii Butter
(Skin Conditioning, 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
1
Pantolactone
(Humectant)
1
A
Sodium Hyaluronate
(Skin Conditioning, Humectant)
Good for Dry Skin
Good for Dry Skin
1
Sodium Acetylated Hyaluronate
(Humectant)
1
A
Squalane
(Emollient, Hair Conditioning, Refatting, Skin Conditioning)
1
Sodium Hyaluronate Crosspolymer
(Humectant, Skin Conditioning)
Hydrolyzed Sodium Hyaluronate
(Skin Conditioning)
1
Ceramide NP
(Hair Conditioning, Skin Conditioning)
Magnolia Officinalis Bark Extract
(Antimicrobial, Skin Conditioning)
1
Paeonia Lactiflora Root Extract
(Skin Conditioning)
Lactic Acid/Glycolic Acid Copolymer
(Skin Conditioning)
1
A
Polyvinyl Alcohol
(Binding Agent, Film Forming, Viscosity Increasing Agent, Viscosity Controlling)
Palmitoyl Hexapeptide-52
(Skin Conditioning)
Palmitoyl Heptapeptide-18
(Skin Conditioning)
Palmitoyl Heptapeptide-27
(Skin Conditioning)
Palmitoyl Octapeptide-24
(Skin Conditioning)
Palmitoyl Oligopeptide-78
(Skin Conditioning)

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

Peptides
Supports skin hydration and improves firmness.
Hyaluronic Acid
Hydrates by attracting and holding water.
Antioxidants
Shields skin from free radical damage.
Vitamin E
Protects skin and soothes irritation.
Ceramides
Locks in moisture and supports skin barrier.

Benefits

HydratingBoosts hydration and relieves dry, tight skin.
Barrier RepairStrengthen and restore your skin's natural barrier.
Redness ReducingSoothes visible redness and calms irritation.
Anti-AgingSoftens lines and helps skin look youthful.
Reduces IrritationEases discomfort and supports skin resilience.
Scar HealingImproves the look of marks and scars.
Dark SpotsFades dark spots for even skin tone.
BrighteningRestores radiance to dull, tired skin.

Concerns

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

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Caryodendron Orinocense Seed Oil
Hair conditioning
Limited public safety data.Read moreShow less
EWG N/A Hair conditioning
Pentylene Glycol
Skin conditioning, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningSolvent
Maltooligosyl Glucoside
Binding, Film forming
Low-hazard ingredient.Read moreShow less
EWG 1 BindingFilm formingSkin conditioning
Polyglyceryl-3 Dicitrate/Stearate
Emulsifying, Surfactant
Low-hazard ingredient.Read moreShow less
EWG 1 EmulsifyingSurfactant
MANGIFERA INDICA SEED BUTTER
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
salix alba bark extract
Astringent, Hair conditioning
Limited public safety data.Read moreShow less
EWG N/A AstringentHair conditioningSkin conditioningSoothingTonic
Hydrogenated Starch Hydrolysate
Humectant, Oral care agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A HumectantOral care agent
Xanthan Gum
Binding agent, Emulsion stabilising
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Binding agentEmulsion stabilisingSkin conditioningSurfactant -emulsifying agentViscosity increasing agentBindingGel formingViscosity controlling
SIMMONDSIA CHINENSIS SEED OIL
Hair conditioning, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Hair conditioningSkin conditioningSkin conditioning emollient
TOCOPHEROL
Antioxidant, Fragrance
Limited public safety data.Read moreShow less
EWG N/A AntioxidantFragranceSkin conditioning
Tremella Fuciformis Sporocarp Extract
Antioxidant, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 AntioxidantHair conditioningHumectantSkin conditioning
Helianthus Annuus Seed Oil
Fragrance, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A FragranceSkin conditioningSkin conditioning emollient
Phytic Acid
Chelating agent, Oral care agent
Low-hazard ingredient.Read moreShow less
EWG 1 Chelating agentOral care agent
Caprylic/Capric Triglyceride
Emollient, Masking
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientMaskingPerfumingSkin conditioningSolvent
+ 18 more — see the full ingredients list above
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
Glyceryl Stearate
Emollient, Emulsifying
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientEmulsifying Fungal-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
Aloe Barbadensis Leaf Juice Powder
Skin conditioning
Low-to-moderate hazard.Read moreShow less
EWG 1–3 Skin conditioning Good for Sensitive Skin
Menthol
Denaturant, External analgesic
Potentially a skin irritantRead moreShow less
EWG 1 DenaturantExternal analgesicFlavoring agentFragranceOral health caredrugMaskingRefreshingSoothing Good for Oily SkinBad for Sensitive SkinBad 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
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 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.

AHA (acid exfoliant) 5–10% (OTC)

OTC leave-on AHAs are usually 5–10%. The effect also depends on pH and free-acid value, not the percentage alone.

Lactic Acid/Glycolic Acid Copolymer

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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