Couperose-Stop Algae Mask

APIS Natural Cosmetics

Where to buy Possibly in stock

About this product

The APIS Natural Cosmetics Couperose-Stop Algae Mask is a wash-off mask. Our analysis of its 12 ingredients (8 low-risk) rates it Excellent (100/100). Based on its ingredients, it looks well-suited to oily / acne-prone and sensitive 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
12
Low-risk
8
Fragrance
Contains fragrance
Origin
Poland
Data updated
May 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 0/2
Caution for dry skin
Solum Diatomeae Rosa Canina Fruit Extract
Oily/Acne-Prone Skin 1/0
Good for oily/acne-prone skin
Rosa Canina Fruit Extract
Sensitive Skin 1/1
Good for sensitive skin
Ascorbyl Glucoside
Caution for sensitive skin
Algin

Ingredients list

12 total
Lower hazard (1) Higher hazard (3)
All12 Anticaking Agent2 Opacifying2 Fragrance2 Skin Conditioning2 Cosmetic Colorant2 Ph Adjuster2 Colorant2 Buffering Agent2
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Solum Diatomeae
(Abrasive, Absorbent, Anticaking Agent, Opacifying)
1
A
Algin
(Binding Agent, Fragrance, Viscosity Increasing Agent, Binding, Masking, Viscosity Controlling)
Bad for Sensitive Skin
Bad for Sensitive Skin
Bad for Oily Skin
Bad for Oily Skin
CI 77231
(Colorant)
1
B
Tetrasodium Pyrophosphate
(Buffering Agent, Chelating Agent, Anticorrosive, Oral Care Agent, Ph Adjuster, Anticaking Agent)
1
Trisodium Phosphate
(Chelating Agent, Ph Adjuster, Buffering Agent)
CI 77220
(Colorant)
1
3
Titanium/Titanium Dioxide
(Cosmetic Colorant, Opacifying)
1
Rosa Canina Fruit Extract
(Astringent, Skin Conditioning, Tonic)
1
Ascorbyl Glucoside
(Antioxidant)
Arnica Montana Extract
(Skin Conditioning)
PARFUM
(Fragrance, Perfuming)
3
CI 14720
(Cosmetic Colorant)

My Ingredient Notes

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Key ingredients

Vitamin C
Brightens, evens tone, and supports collagen.
Antioxidants
Shields skin from free radical damage.
Exfoliators
Removes dead skin cells to smoothe texture.

Benefits

Scar HealingImproves the look of marks and scars.
HydratingBoosts hydration and relieves dry, tight skin.
BrighteningRestores radiance to dull, tired skin.
Dark SpotsFades dark spots for even skin tone.

Concerns

May not suit dry skin

Ingredients explained

Solum Diatomeae
Abrasive, Absorbent
Low-hazard ingredient.Read moreShow less
EWG 1 AbrasiveAbsorbentAnticaking agentOpacifying
CI 77231
Colorant
Limited public safety data.Read moreShow less
EWG N/A Colorant
Tetrasodium Pyrophosphate
Buffering agent, Chelating agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Buffering agentChelating agentAnticorrosiveOral care agentPh adjusterAnticaking agent
Trisodium Phosphate
Chelating agent, Ph adjuster
Low-hazard ingredient.Read moreShow less
EWG 1 Chelating agentPh adjusterBuffering agent
CI 77220
Colorant
Limited public safety data.Read moreShow less
EWG N/A Colorant
Titanium/Titanium Dioxide
Cosmetic colorant, Opacifying
Low-to-moderate hazard.Read moreShow less
EWG 1–3 Cosmetic colorantOpacifying
Rosa Canina Fruit Extract
Astringent, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 AstringentSkin conditioningTonic
Ascorbyl Glucoside
Antioxidant
Low-hazard ingredient.Read moreShow less
EWG 1 Antioxidant
Arnica Montana Extract
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
PARFUM
Fragrance, Perfuming
Limited public safety data.Read moreShow less
EWG N/A FragrancePerfuming
CI 14720
Cosmetic colorant
Low-to-moderate hazard.Read moreShow less
EWG 3 Cosmetic colorant
Algin
Binding agent, Fragrance
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Binding agentFragranceViscosity increasing agentBindingMaskingViscosity controlling Bad for Sensitive SkinBad for Oily 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.

Ascorbyl Glucoside

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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