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.
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.
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.
A polyester that forms a film and adjusts thickness. It lays down a thin coating on skin and helps set the product's texture.
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”
A binding ingredient that helps hold the parts of the formula together. It is often used to coat and bind powders in a mix.
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 EUBenzyl 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.
A preservative that helps keep the product from spoiling over time. It also contributes to fragrance. Together these keep the formula stable and scented.
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)otherCitric 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.
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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