Cay Skin Mo'bay Mineral Sunscreen SPF 30
75/100 overall score
Sign in to see this product's score for your skin.
About this sunscreen
Cay Skin Mo'bay Mineral Sunscreen SPF 30 is a pure mineral formula using zinc oxide alone. It has a dewy finish with low white cast and a lightweight feel, and is generally gentle, scoring low for both stinging and pore-clogging. It rates poor as a makeup base, so it is better worn on its own. With a score of 74.9/100 and moderate protection, it suits those who prefer a mineral filter.
Ingredient & SPF scores
βοΈ
UV protection
Moderate
42
- +41 Zinc Oxide at #1, UV filter (UVA1 +18)
- +1 Label claims (SPF 30)
π€§
Allergens
Low
99
- +100 Starting score
- β1 1 declared fragrance allergens
π»
White cast
Low
80
- +100 Starting score
- β14 Zinc Oxide, 9.4% declared
- β8 Pure mineral formula (9.4% total declared)
- +1.5 Coated minerals (Triethoxycaprylylsilane)
πͺ¨
Heavy feel
Low
90
- +100 Starting score
- β8 Zinc Oxide, 9.4% declared
- β2 Butyrospermum Parkii Butter Extract at #14, butter/occlusive fat
π
Fungal acne
Low
76
- +100 Starting score
- β24 1 oils/butters that feed Malassezia (Argania Spinosa Kernel Oil)
π
Fabric stains
Low
85
- +100 Starting score
- β15 Zinc Oxide at #1, white marks, worst on dark fabric (washable)
π§
Moisture
Balanced
LightNourishing
- β 5 Zinc Oxide at #1, mild sebum absorbent
- β 4 Glycerin at #8, the anchor humectant
- β 1 1 strong humectants (Urea)
- β 5 2 emollient lipids (Squalane, Argania Spinosa Kernel Oil)
β¨
Finish
Dewy
MatteDewy
- β 16 3 emollient lipids (Argania Spinosa Kernel Oil, Squalane, C12-15 Alkyl Benzoate)
π
Makeup base
Poor
PillsPrimer
- β 3 Dry-touch esters, smooth fast-absorbing base
- β 4 Gel polymers prone to pilling under friction (Ammonium Acryloyldimethyltaurate/VP Copolymer)
- β 2 Occlusives/waxes float the foundation
- β 15 High mineral load at #1 greys under foundation
π
Water resistance
Not resistant
Non-water-resistantWater-resistant
- +7 1 film-forming polymers that lock the formula on for water resistance
Skincare extras
Beneficial actives this formula contains. Informational only, not part of the rating: their effect depends on a concentration the label does not disclose.
- β¨ Vitamin E
- β¨ Aloe vera
- β¨ Bisabolol
Full ingredient list (36)
What each ingredient does and how it moves each rating: green helps, red hurts, β / β give the direction, and β / β shift a slider toward its ends (finish, moisture, makeup base). Auto-derived from our scoring rules and the ingredient's position.
-
Mineral UV filter (Zinc Oxide), high in the list, a primary filter
- β 41 UV protection, incl. long-UVA (UVA1)
- β 14 9.4% declared
- β 8 9.4% declared
- β 15 white marks, worst on dark fabric (washable)
- light β 5 mild sebum absorbent
- pills β 15 High mineral load greys under foundation
-
2 Water
Solvent base, the water phase
-
Emollient, softens and smooths skin
- 9 β dewy emollient lipid
-
Emulsifier, keeps oil and water blended
-
Plant oil, an emollient
- 4 β nourishing emollient lipid
- 6 β dewy emollient lipid
- β 24 feeds malassezia
-
Antioxidant, protects the formula and skin
-
Thickener and texture, structures the gel or cream
-
8 Glycerin
Humectant, pulls water into the skin
- 4 β nourishing the anchor humectant
-
Film former, locks the formula onto skin for water resistance
- β 7 film former
-
Soothing, skin-conditioning active
-
Botanical extract
-
Antioxidant, protects the formula and skin
-
13 Squalane
Emollient, softens and smooths skin
- 1 β nourishing emollient lipid
- 1 β dewy emollient lipid
-
Botanical extract
- β 2 butter/occlusive fat
-
15 Bisabolol
Soothing, skin-conditioning active
-
Emulsifier, keeps oil and water blended
-
17 Tocopherol
Antioxidant, protects the formula and skin
-
18 Urea
Humectant, pulls water into the skin
- 1 β nourishing humectant
-
Botanical extract
-
20 Dimethicone
Emollient, softens and smooths skin
-
Humectant, pulls water into the skin
-
Supporting ingredient
-
Supporting ingredient
-
24 Propanediol
Humectant, pulls water into the skin
-
Humectant, pulls water into the skin
-
Supporting ingredient
-
Antioxidant, protects the formula and skin
-
Preservative, keeps the formula from spoiling
-
Thickener and texture, structures the gel or cream
-
Preservative, keeps the formula from spoiling
-
Preservative, keeps the formula from spoiling
-
Preservative, keeps the formula from spoiling
-
33 Sorbic Acid
Preservative, keeps the formula from spoiling
-
Preservative, keeps the formula from spoiling
-
35 Citric Acid
pH adjuster
-
36 Caramel
Colorant or pigment
Is Cay Skin Mo'bay mineral or chemical?
It is a pure mineral sunscreen using zinc oxide only. It carries SPF 30.
Does the Cay Skin Mo'bay Mineral Sunscreen SPF 30 leave a white cast?
No, it is rated low for white cast and generally wears clear for a mineral formula. The finish is dewy and the feel is lightweight.
Is it good under makeup?
It rates poor as a makeup base, so it is generally better worn on its own. It scores 74.9/100 with moderate protection.