Rock Crystal Clear Treatment Mask

M Picaut

Rock Crystal Clear Treatment Mask

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About this product

The M Picaut Rock Crystal Clear Treatment Mask is a wash-off mask. Our analysis of its 38 ingredients (28 low-risk) rates it Excellent (96/100). Based on its ingredients, it looks well-suited to oily / acne-prone and dry 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
38
Low-risk
28
Fragrance
Contains fragrance
Origin
Sweden

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 10/9
Good for dry skin
Glyceryl Stearate Cetearyl Alcohol Squalene Inulin Glycerin Fructose Hydrogenated Vegetable Oil Zinc PCA Lactic Acid Polydextrose
Caution for dry skin
Dextrin Charcoal Powder Xanthan Gum Glycerin Salicylic Acid Perlite Polyglyceryl-6 Palmitate/Succinate Silica Diatomaceous Earth
Oily/Acne-Prone Skin 2/0
Good for oily/acne-prone skin
Sulfur Salicylic Acid
Sensitive Skin 1/10
Good for sensitive skin
Glycerin
Caution for sensitive skin
Agar Glycerin Salicylic Acid Eucalyptus Globulus Leaf Oil Sodium Benzoate Sorbic Acid Acacia Senegal Gum Potassium Sorbate Lactic Acid Phenoxyethanol

Ingredients list

38 total
Lower hazard (1) Higher hazard (4)
All38 Skin Conditioning20 Fragrance11 Humectant8 Hair Conditioning6 Viscosity Controlling6 Viscosity Increasing Agent6 Abrasive5 Absorbent5
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
Helianthus Annuus Seed Oil
(Fragrance, Skin Conditioning, Skin Conditioning Emollient)
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
Cetearyl Alcohol
(Emulsion Stabilising, Opacifying, Foam Boosting, Viscosity Increasingagent Aqueous, Viscosity Increasing Agent, Emollient, Emulsifying, Viscosity Controlling)
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
1
2
Diatomaceous Earth
(Abrasive, Absorbent, Anticaking Agent, Bulking Agent, Opacifying)
1
Perlite
(Abrasive, Absorbent, Bulking Agent, Suspending Agent Nonsurfactant)
1
Olive Oil Decyl Esters
(Refatting)
1
Charcoal Powder
(Abrasive, Absorbent, Colorant, Opacifying, Cosmetic Colorant)
1
A
Glyceryl Stearate
(Emollient, Emulsifying)
Fungal Acne
Fungal Acne Trigger
1
A
Hydrogenated Vegetable Oil
(Viscosity Increasing Agent, Emollient, Skin Conditioning)
Bad for Oily Skin
Bad for Oily Skin
1
Polyglyceryl-6 Palmitate/Succinate
(Emulsifying, Surfactant)
1
Lactobionic Acid
(Ph Adjuster, Buffering Agent)
3
Zinc PCA
(Skin Conditioning, Humectant)
Brassica Oleracea Italica Seed Oil
(Hair Conditioning, Skin Conditioning, Skin Conditioning Emollient)
Salix Nigra Bark Extract
(Skin Protecting)
4
B
Salicylic Acid
(Antiacne Agent, Antidandruff Agent, Corn/Callus/Wart Remover, Denaturant, Exfoliant, Fragrance, Hair Conditioning, Skin Conditioning, Keratolytic, Masking, Preservative)
Good for Oily Skin
Good for Oily Skin
Bad for Sensitive Skin
Bad for Sensitive Skin
1
A
Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing)
1
A
Inulin
(Humectant, Skin Conditioning)
Eriophorum Spissum Flower/Stem Extract
(Skin Conditioning)
1
A
Squalene
(Hair Conditioning, Skin Conditioning, Emollient, Antistatic Agent, Refatting)
Fungal Acne
Fungal Acne Trigger
1
2
A
Silica
(Abrasive, Absorbent, Anticaking Agent, Bulking Agent, Opacifying, Viscosity Controlling)
1
A
Agar
(Binding Agent, Fragrance, Viscosity Increasing Agent, Binding, Masking, Viscosity Controlling)
Quartz Powder
(Abrasive)
3
A
Acacia Senegal Gum
(Adhesive, Fragrance, Film Forming, Masking)
1
A
Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling)
2
Eucalyptus Globulus Leaf Oil
(Perfuming, Skin Conditioning)
Bad for Sensitive Skin
Bad for Sensitive Skin
1
A
Fructose
(Flavoring Agent, Humectant)
1
A
Dextrin
(Absorbent, Binding Agent, Bulking Agent, Viscosity Increasing Agent, Binding, Viscosity Controlling)
1
A
Amylopectin
(Binding Agent, Viscosity Increasing Agent, Binding, Viscosity Controlling)
Polydextrose
(Bulking Agent, Humectant)
PARFUM
(Fragrance, Perfuming)
4
B
Lactic Acid
(Exfoliant, Fragrance, Humectant, Ph Adjuster, Skin Conditioning Agent Humectant, Skin Conditioning, Buffering Agent)
Bad for Sensitive Skin
Bad for Sensitive Skin
3
A
Sodium Benzoate
(Fragrance, Preservative, Anticorrosive, Masking)
3
A
Potassium Sorbate
(Fragrance, Preservative)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
3
A
Sorbic Acid
(Fragrance, Preservative)

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

Helianthus Annuus Seed Oil
Skin Conditioning
Glycerin
Humectant, Skin Protecting
Cetearyl Alcohol
Emollient
Sulfur
Skin Conditioning
Glyceryl Stearate
Emollient
Hydrogenated Vegetable Oil
Emollient, Skin Conditioning

Benefits

Good for dry skin
Good for oily/acne-prone skin

Concerns

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

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Helianthus Annuus Seed Oil
Fragrance, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A FragranceSkin conditioningSkin conditioning emollient
Cetearyl Alcohol
Emulsion stabilising, Opacifying
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Emulsion stabilisingOpacifyingFoam boostingViscosity increasingagent - aqueousViscosity increasing agentEmollientEmulsifyingViscosity controlling
Diatomaceous Earth
Abrasive, Absorbent
Low-hazard ingredient.Read moreShow less
EWG 1–2 AbrasiveAbsorbentAnticaking agentBulking agentOpacifying
Perlite
Abrasive, Absorbent
Low-hazard ingredient.Read moreShow less
EWG 1 AbrasiveAbsorbentBulking agentSuspending agent - nonsurfactant
Olive Oil Decyl Esters
Refatting
Low-hazard ingredient.Read moreShow less
EWG 1 Refatting
Charcoal Powder
Abrasive, Absorbent
Low-hazard ingredient.Read moreShow less
EWG 1 AbrasiveAbsorbentColorantOpacifyingCosmetic colorant
Polyglyceryl-6 Palmitate/Succinate
Emulsifying, Surfactant
Low-hazard ingredient.Read moreShow less
EWG 1 EmulsifyingSurfactant
Lactobionic Acid
Ph adjuster, Buffering agent
Low-hazard ingredient.Read moreShow less
EWG 1 Ph adjusterBuffering agent
Zinc PCA
Skin conditioning, Humectant
Low-to-moderate hazard.Read moreShow less
EWG 3 Skin conditioningHumectant
Brassica Oleracea Italica Seed Oil
Hair conditioning, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Hair conditioningSkin conditioningSkin conditioning emollient
Salix Nigra Bark Extract
Skin protecting
Limited public safety data.Read moreShow less
EWG N/A Skin protecting
Niacinamide
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningSmoothing
Inulin
Humectant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A HumectantSkin conditioning
Eriophorum Spissum Flower/Stem Extract
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
+ 14 more — see the full ingredients list above
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
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
Glyceryl Stearate
Emollient, Emulsifying
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientEmulsifying Fungal-acne trigger
Hydrogenated Vegetable Oil
Viscosity increasing agent, Emollient
Potentially comedogenic - can block poresRead moreShow less
EWG 1 CIR A Viscosity increasing agentEmollientSkin conditioning Bad for Oily Skin
Salicylic Acid
Antiacne agent, Antidandruff agent
Skin irritation can occur at high concentrationRead moreShow less
EWG 4 CIR B Antiacne agentAntidandruff agentCorn/callus/wart removerDenaturantExfoliantFragranceHair conditioningSkin conditioningKeratolyticMaskingPreservative Good for Oily SkinBad for Sensitive Skin
Squalene
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningEmollientAntistatic agentRefatting Fungal-acne trigger
Eucalyptus Globulus Leaf Oil
Perfuming, Skin conditioning
Strong essential oil which can irritate skinRead moreShow less
EWG 2 PerfumingSkin conditioning Bad for Sensitive Skin
Lactic Acid
Exfoliant, Fragrance
Skin irritation can occur at high concentrationRead moreShow less
EWG 4 CIR B ExfoliantFragranceHumectantPh adjusterSkin-conditioning agent -humectantSkin conditioningBuffering agent Bad for Sensitive Skin
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben

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

Pregnancy & breastfeeding

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

Use with caution
BHA (salicylic) (Salicylic Acid)

Low-strength topical salicylic acid (BHA) is generally considered fine. Caution is usually reserved for high-strength leave-on products and salicylic peels.

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

BHA (salicylic) 0.5–2%

Salicylic acid is OTC-capped at 2%; 0.5–2% is the usual leave-on range. Much below that it acts more as a soothing agent than an exfoliant.

Salicylic Acid

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

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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