Deepwater Lip Mask

CAY SKIN

Where to buy Possibly in stock

About this product

The CAY SKIN Deepwater Lip Mask is a lip mask. Our analysis of its 31 ingredients (24 low-risk) rates it Excellent (99/100). Based on its ingredients, it looks well-suited to dry skin.

Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Lip Masks
Ingredients
31
Low-risk
24
Fragrance
Fragrance-free
Origin
United States
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 9/6
Good for dry skin
Glyceryl Behenate/Eicosadioate Diisostearyl Malate Silica Silylate Isostearyl Alcohol Sodium Hyaluronate Hydrogenated Castor Oil Hydrogenated Polyisobutene Synthetic Wax Aloe Barbadensis Leaf Extract
Caution for dry skin
Glyceryl Behenate/Eicosadioate Diisostearyl Malate Boron Nitride Sorbitan Sesquioleate Silica Silylate Hydrogenated Castor Oil
Oily/Acne-Prone Skin No data
Sensitive Skin 2/4
Good for sensitive skin
Tocopheryl Acetate Aloe Barbadensis Leaf Extract
Caution for sensitive skin
Vanillin Synthetic Wax Citric Acid Malic Acid

Ingredients list

31 total
Lower hazard (1) Higher hazard (4)
All31 Skin Conditioning29 Viscosity Controlling10 Emollient8 Fragrance7 Viscosity Increasing Agent6 Emulsion Stabilising5 Surfactant4 Binding Agent3
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
A
Polybutene
(Binding Agent, Epilating Agent, Viscosity Increasing Agent)
1
A
Hydrogenated Polyisobutene
(Skin Conditioning, Emollient, Viscosity Increasing Agent, Viscosity Controlling)
1
A
Diisostearyl Malate
(Skin Conditioning, Emollient, Surfactant)
1
Dipentaerythrityl Tetrahydroxystearate/Tetraisostearate
(Skin Conditioning, Viscosity Controlling)
1
A
Synthetic Beeswax
(Binding Agent, Emulsion Stabilising, Viscosity Increasing Agent, Binding, Viscosity Controlling)
1
Glyceryl Behenate/Eicosadioate
(Skin Conditioning, Emollient, Emulsifying, Surfactant)
1
A
Synthetic Wax
(Binding Agent, Emulsion Stabilising, Fragrance, Viscosity Increasing Agent, Antistatic Agent, Binding, Emollient, Masking, Viscosity Controlling)
1
Phytosteryl/Isostearyl/Cetyl/Stearyl/Behenyl Dimer Dilinoleate
(Hair Conditioning, Skin Conditioning, Viscosity Controlling)
Butyrospermum Parkii Butter
(Skin Conditioning, Viscosity Controlling)
1
B
Silica Silylate
(Antifoaming Agent, Bulking Agent, Skin Conditioning, Emollient, Suspending Agent Nonsurfactant, Anticaking Agent, Emulsion Stabilising, Viscosity Controlling)
Helianthus Annuus Seed Oil
(Fragrance, Skin Conditioning, Skin Conditioning Emollient)
1
Vanillin
(Flavoring Agent, Fragrance, Masking)
1
Phytosteryl/Octyldodecyl Lauroyl Glutamate
(Skin Conditioning)
1
A
Isostearyl Alcohol
(Skin Conditioning, Emollient, Viscosity Increasing Agent, Viscosity Controlling)
1
A
Boron Nitride
(Slip Modifier, Absorbent, Opacifying, Skin Conditioning)
1
A
Sorbitan Sesquioleate
(Emulsifying, Surfactant)
Fungal Acne
Fungal Acne Trigger
1
3
B
Aloe Barbadensis Leaf Extract
(Emollient, Humectant, Oral Care Agent, Skin Conditioning)
Good for Sensitive Skin
Good for Sensitive Skin
1
A
Calendula Officinalis Extract
(Skin Conditioning)
Good for Oily Skin
Good for Oily Skin
3
Tocopheryl Acetate
(Antioxidant, Skin Conditioning)
Bad for Oily Skin
Bad for Oily Skin
3
4
B
Malic Acid
(Fragrance, Ph Adjuster, Buffering Agent)
1
Water
(Solvent)
Ricinus Communis Seed Oil
(Fragrance, Perfuming, Skin Conditioning)
1
A
Sodium Hyaluronate
(Skin Conditioning, Humectant)
Good for Dry Skin
Good for Dry Skin
1
A
Panthenol
(Antistatic Agent, Hair Conditioning, Skin Conditioning)
Good for Dry Skin
Good for Dry Skin
1
A
Hydrogenated Castor Oil
(Viscosity Increasing Agent, Emollient, Emulsifying, Skin Conditioning, Surfactant, Viscosity Controlling)
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)
Chondrus Crispus Extract
(Skin Conditioning, Viscosity Controlling)
1
Hibiscus Sabdariffa Flower Extract
(Skin Conditioning)
Hydrolyzed Chondrus Crispus Extract
(Skin Conditioning)
1
Moringa Oleifera Seed Extract
(Skin Conditioning)
2
A
Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking)
Bad for Sensitive Skin
Bad for Sensitive Skin

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

Vitamin E
Protects skin and soothes irritation.
Antioxidants
Shields skin from free radical damage.
Hyaluronic Acid
Hydrates by attracting and holding water.
Exfoliators
Removes dead skin cells to smoothe texture.

Benefits

HydratingBoosts hydration and relieves dry, tight skin.
Redness ReducingSoothes visible redness and calms irritation.
Reduces IrritationEases discomfort and supports skin resilience.
Barrier RepairStrengthen and restore your skin's natural barrier.
Anti-AgingSoftens lines and helps skin look youthful.
BrighteningRestores radiance to dull, tired skin.
Good For Oily SkinBalances oil and helps reduce shine.
Scar HealingImproves the look of marks and scars.

Concerns

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

Ingredients explained

Polybutene
Binding agent, Epilating agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Binding agentEpilating agentViscosity increasing agent
Hydrogenated Polyisobutene
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningEmollientViscosity increasing agentViscosity controlling
Diisostearyl Malate
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningEmollientSurfactant
Dipentaerythrityl Tetrahydroxystearate/Tetraisostearate
Skin conditioning, Viscosity controlling
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioningViscosity controlling
Synthetic Beeswax
Binding agent, Emulsion stabilising
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Binding agentEmulsion stabilisingViscosity increasing agentBindingViscosity controlling
Glyceryl Behenate/Eicosadioate
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioningEmollientEmulsifyingSurfactant
Synthetic Wax
Binding agent, Emulsion stabilising
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Binding agentEmulsion stabilisingFragranceViscosity increasing agentAntistatic agentBindingEmollientMaskingViscosity controlling
Phytosteryl/Isostearyl/Cetyl/Stearyl/Behenyl Dimer Dilinoleate
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Hair conditioningSkin conditioningViscosity controlling
Butyrospermum Parkii Butter
Skin conditioning, Viscosity controlling
Limited public safety data.Read moreShow less
EWG N/A Skin conditioningViscosity controlling
Silica Silylate
Antifoaming agent, Bulking agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Antifoaming agentBulking agentSkin conditioningEmollientSuspending agent -nonsurfactantAnticaking agentEmulsion stabilisingViscosity controlling
Helianthus Annuus Seed Oil
Fragrance, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A FragranceSkin conditioningSkin conditioning emollient
Vanillin
Flavoring agent, Fragrance
Low-hazard ingredient.Read moreShow less
EWG 1 Flavoring agentFragranceMasking
Phytosteryl/Octyldodecyl Lauroyl Glutamate
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Isostearyl Alcohol
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningEmollientViscosity increasing agentViscosity controlling
Boron Nitride
Slip modifier, Absorbent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Slip modifierAbsorbentOpacifyingSkin conditioning
+ 9 more — see the full ingredients list above
Sorbitan Sesquioleate
Emulsifying, Surfactant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmulsifyingSurfactant Fungal-acne trigger
Aloe Barbadensis Leaf Extract
Emollient, Humectant
Low-to-moderate hazard.Read moreShow less
EWG 1–3 CIR B EmollientHumectantOral care agentSkin conditioning Good for Sensitive Skin
Calendula Officinalis Extract
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioning Good for Oily Skin
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
Panthenol
Antistatic agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antistatic agentHair conditioningSkin conditioning Good for Dry Skin
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

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

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.

Malic 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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