SPF Scout · Product record

Cay Skin, Inc. Cay Skin MoBay Mineral Sunscreen Drops SPF 30

SPF 30 as labeled

U.S. formulation · record last retrieved 22 September 2026

What is listed

The ingredient declaration stored for this formulation, reproduced exactly as it was recorded from the source below.

Zinc Oxide, Aqua (Water, Eau), C12-15 Alkyl Benzoate, Sorbitan Oleate Decylglucoside Crosspolymer, Argania Spinosa Kernel Oil, Tocopheryl Acetate, Ammonium Acryloyldimethyltaurate/VP Copolymer, Glycerin, Polyester-5, Aloe Barbadensis Leaf Juice, Psidium Guajava Leaf Extract, Ethyl Ferulate, Squalane, Butyrospermum Parkii (Shea Butter) Extract, Bisabolol, Phospholipids, Tocopherol, Urea, Chondrus Crispus Extract, Dimethicone, Ethylhexylglycerin, Lactobacillus Ferment, Gluconolactone, Propanediol, 1,2 Hexanediol, Triethoxycaprylylsilane, Hydroxyacetophenone, Phenoxyethanol, Sodium Chloride, Benzyl Alcohol, Sodium Benzoate, Chlorphenesin, Sorbic Acid, Potassium Sorbate, Citric Acid, Caramel

36 entries · the stored declaration is recorded as complete.

What each ingredient generally does

Each entry that matched a canonical ingredient, with the function recorded for it. These notes describe the role an ingredient plays in a formulation. They do not assess an ingredient.

  • Zinc Oxide

    Bulking agent (adds volume)Colorant (adds color)Light stabilizer (protects the formula from light)Oral care (CosIng functional class)Preservative (inhibits microbial growth)Skin protecting (CosIng functional class)UV absorber (protects the formula from light, not a sunscreen filter)UV filter (filters UV rays)

    A mineral UV filter that absorbs ultraviolet light, the core sun-protection job in this product. It also helps protect the skin surface and can add whiteness or opacity. On some labels it appears as CI 77947 when used for color.

  • Water

    Antiplaque (CosIng functional class)otherSkin conditioning (CosIng functional class)Solvent (dissolves other ingredients)

    The base liquid that most of the other ingredients dissolve or spread into. It carries the formula and helps condition the skin surface.

    listed as “Aqua (Water, Eau)”

  • C12-15 Alkyl Benzoate

    Emollient (softens and smooths skin)Preservative (inhibits microbial growth)Skin conditioning (CosIng functional class)

    This is a lightweight oily ingredient that softens and smooths the skin. It also helps keep the product fresh by limiting microbe growth.

  • Sorbitan Oleate Decylglucoside Crosspolymer

    Foam boosting (increases foam from other ingredients)Surfactant (cleanses or mixes oil and water)

    A cleansing and emulsifying ingredient that helps oil and water mix and lifts away dirt. It also boosts foam, so the product lathers more.

  • Argania Spinosa Kernel Oil

    Emollient (softens and smooths skin)Skin conditioning (CosIng functional class)

    Argan oil, used as a skin conditioner and emollient. It softens and smooths skin feel and helps keep skin in good condition.

  • Tocopheryl Acetate

    Antioxidant (slows the formula oxidizing)otherSkin conditioning (CosIng functional class)

    Tocopheryl Acetate is a form of vitamin E that acts as an antioxidant, helping keep the formula from going off. It also conditions the skin, softening its feel.

  • Ammonium Acryloyldimethyltaurate/VP Copolymer

    otherViscosity control (thickens or thins the formula)

    A thickening agent that adjusts how thick or fluid the product is. In practice it gives the sunscreen its body and helps it hold together.

  • Glycerin

    Denaturant (makes alcohol undrinkable)Fragrance ingredient (scent)Hair conditioning (CosIng functional class)Humectant (holds moisture)Oral care (CosIng functional class)Skin conditioning (CosIng functional class)Skin protecting (CosIng functional class)Solvent (dissolves other ingredients)Viscosity control (thickens or thins the formula)

    Glycerin draws in and holds moisture while conditioning and protecting skin. It also dissolves other ingredients, adjusts thickness, and can add scent. On labels it may appear as glycerol.

  • Polyester-5

    Film forming (leaves a thin coating)Viscosity control (thickens or thins the formula)

    A polyester that forms a film and adjusts thickness. It lays down a thin coating on skin and helps set the product's texture.

  • Aloe Barbadensis Leaf Juice

    otherSkin conditioning (CosIng functional class)

    This is the juice from aloe leaves, used to condition skin. It helps skin feel smooth and in good condition. On labels it is often called aloe vera.

  • Psidium Guajava Leaf Extract

    Astringent (CosIng functional class)Skin conditioning (CosIng functional class)

    An extract from guava leaves that works as an astringent and skin conditioner. The astringent action gives a tightening feel, while it also helps keep skin feeling smooth.

  • Ethyl Ferulate

    Antioxidant (slows the formula oxidizing)

    An antioxidant, which helps protect the formula from damage caused by oxygen. This can keep the product from going off as quickly once it's exposed to air.

  • Squalane

    Emollient (softens and smooths skin)Hair conditioning (CosIng functional class)Refatting (CosIng functional class)Skin conditioning (CosIng functional class)

    An emollient that softens and smooths the skin, and also conditions hair. It leaves a smooth feel and helps replace oils on the surface.

  • Butyrospermum Parkii Butter Extract

    Skin conditioning (CosIng functional class)

    A shea butter extract that conditions the skin. It helps keep skin feeling soft and supple.

    listed as “Butyrospermum Parkii (Shea Butter) Extract”

  • Bisabolol

    Fragrance ingredient (scent)otherSkin conditioning (CosIng functional class)Soothing (CosIng functional class)

    A conditioning and soothing ingredient that also adds a light fragrance. It softens the skin's feel and contributes scent to the product. On labels it may also appear as Levomenol.

  • Phospholipids

    Skin conditioning (CosIng functional class)

    These are skin-conditioning ingredients. They help leave skin feeling smooth and looked after.

  • Tocopherol

    Antioxidant (slows the formula oxidizing)Fragrance ingredient (scent)Occlusive (CosIng functional class)otherSkin conditioning (CosIng functional class)

    Tocopherol is a form of vitamin E used as an antioxidant, which helps keep the formula from going off. It also conditions skin and forms a thin surface layer that slows moisture loss. You may see it listed simply as vitamin E.

  • Urea

    Antistatic (reduces static)Buffering (holds the formula at a set acidity)Humectant (holds moisture)Skin conditioning (CosIng functional class)

    Urea is a multitasker that draws in and holds moisture in the product and on skin. It also conditions the skin, helps keep static down, and steadies the formula's acidity. In short, it keeps things hydrated and balanced.

  • Chondrus Crispus Extract

    Skin conditioning (CosIng functional class)Viscosity control (thickens or thins the formula)

    An extract of carrageenan seaweed that conditions skin and adjusts thickness. It helps skin feel soft while giving the product its texture and body.

  • Dimethicone

    Antifoaming (stops the formula foaming)Emollient (softens and smooths skin)Skin conditioning (CosIng functional class)Skin protecting (CosIng functional class)

    A silicone that softens and smooths skin feel and forms a protective layer on the surface. It also cuts down foam during production, keeping the formula settled.

  • Ethylhexylglycerin

    Deodorant (masks or reduces odor)Preservative (inhibits microbial growth)Skin conditioning (CosIng functional class)

    A multi-tasker that conditions the skin and works as a deodorant agent. It helps improve skin feel while cutting odor.

  • Lactobacillus Ferment

    Skin conditioning (CosIng functional class)

    A ferment ingredient that conditions the skin, helping it feel soft and smooth. That's its job in the formula.

  • Gluconolactone

    Chelating (binds metal ions in the formula)Skin conditioning (CosIng functional class)

    Gluconolactone binds trace metals that would otherwise spoil the formula. It also conditions the skin, helping it feel better.

  • Propanediol

    Humectant (holds moisture)Solvent (dissolves other ingredients)Viscosity control (thickens or thins the formula)

    A solvent that dissolves other ingredients and helps them blend evenly. It also adjusts the thickness of the formula.

  • 1,2-Hexanediol

    Humectant (holds moisture)Preservative (inhibits microbial growth)Skin conditioning (CosIng functional class)Solvent (dissolves other ingredients)

    A fluid that acts as a solvent, dissolving other ingredients so they blend evenly. It also conditions the skin, leaving it feeling smooth.

    listed as “1,2 Hexanediol”

  • Triethoxycaprylylsilane

    Binder (holds the formula together)other

    A binding ingredient that helps hold the parts of the formula together. It is often used to coat and bind powders in a mix.

  • Hydroxyacetophenone

    Antioxidant (slows the formula oxidizing)other

    An antioxidant that helps keep the formula from going off over time. In practice it protects the product's other ingredients from breaking down.

  • Phenoxyethanol

    Preservative (inhibits microbial growth)

    This is a preservative that fights microbes. It helps keep the product from spoiling over time.

  • Sodium Chloride

    Bulking agent (adds volume)Fragrance ingredient (scent)Oral care (CosIng functional class)otherViscosity control (thickens or thins the formula)

    Common table salt, used here mainly to adjust the thickness of the formula. It can also act as a bulking agent to add body, and shows up in oral care products. On labels it's simply salt.

  • Benzyl Alcohol

    Fragrance ingredient (scent)Preservative (inhibits microbial growth)Solvent (dissolves other ingredients)Viscosity control (thickens or thins the formula)Restricted in the EU

    Benzyl Alcohol is a multi-tasking ingredient that acts as a preservative to keep the product from spoiling and as a solvent to dissolve other ingredients. It also adds scent and adjusts the thickness of the formula.

  • Sodium Benzoate

    Anticorrosive (protects the container and equipment from corrosion)Fragrance ingredient (scent)Preservative (inhibits microbial growth)

    A preservative that helps keep the product from spoiling. It also adds fragrance and guards against corrosion in the formula.

  • Chlorphenesin

    Preservative (inhibits microbial growth)

    This is a preservative that fights microbes. It helps keep the product from spoiling as bacteria and other organisms try to grow in it.

  • Sorbic Acid

    Fragrance ingredient (scent)Preservative (inhibits microbial growth)

    A preservative that helps keep the product from spoiling over time. It also contributes to fragrance. Together these keep the formula stable and scented.

  • Potassium Sorbate

    Fragrance ingredient (scent)Preservative (inhibits microbial growth)

    A salt used mainly as a preservative to keep the product from spoiling. It also contributes to fragrance. In practice, it helps the formula stay stable over time.

  • Citric Acid

    Buffering (holds the formula at a set acidity)Chelating (binds metal ions in the formula)Fragrance ingredient (scent)other

    Citric Acid is a mild acid used to fine-tune a formula's pH. It keeps the acidity steady (buffering), binds trace metals that would spoil the formula (chelating), and can add a scent note.

  • Caramel

    Colorant (adds color)Fragrance ingredient (scent)

    A coloring ingredient made by heating sugar, used to tint the product. It can also add fragrance.

Checking this against your own list

SPF Scout's Personal Ingredient Check runs in the app, on your device. This page cannot see a personal avoidance list. Your selections are stored on your phone and are never sent to this website. There is nowhere on our side for them to go.

In the app you choose the ingredients you already avoid, and every entry in this declaration that matches one of them is shown to you with the alias path that produced the match.

This comparison does not predict whether your skin will react.

Source quality

Source
DailyMed drug label
Source record
https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=288d5456-98f3-a998-e063-6294a90a8366
Retrieved
22 September 2026
Market
United States
Version
v1 of this U.S. formulation
Source tier
Official label document (not independently verified by us)
Entries recorded
36
Record checksum
sha256:38a4ea81bbd19d03a782afe3b5fc0f327b7ed4f93806f6614c970eafc55235f1

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