Sunguardia Broad Spectrum Sunscreen SPF 50+
The Matsu Sunguardia Broad Spectrum Sunscreen SPF 50+ is a sunscreen. Our analysis of its 29 ingredients (22 low-risk) rates it Excellent (97/100). Based on its ingredients, it looks well-suited to dry and sensitive skin. Heads up: it contains fragrance, which can irritate sensitive or reactive skin.
The Matsu Sunguardia Broad Spectrum Sunscreen SPF 50+ is a sunscreen. Our analysis of its 29 ingredients (22 low-risk) rates it Excellent (97/100). Based on its ingredients, it looks well-suited to dry and sensitive skin. Heads up: it contains fragrance, which can irritate sensitive or reactive skin.
Summarised from our ingredient analysis — not brand marketing copy.
The evidence
| EWG | CIR | Ingredient Name & Cosmetic Functions | Notes |
|---|---|---|---|
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Water
(Solvent) |
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Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine
(Skin Conditioning, Uv Absorber, Uv Filter) |
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Ethylhexyl Methoxycinnamate
(Uv Absorber, Uv Filter) |
Bad for Oily Skin
Bad for Sensitive Skin
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Polymethyl Methacrylate
(Film Forming) |
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Dicaprylyl Carbonate
(Skin Conditioning, Emollient) |
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Glycerin
(Denaturant, Fragrance, Hair Conditioning, Humectant, Oral Care Agent, Oral Health Care Drug, Skin Protecting, Viscosity Decreasing Agent, Perfuming, Solvent) |
Good for Dry Skin
Fungal Acne Trigger
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Diethylamino Hydroxybenzoyl Hexyl Benzoate
(Uv Absorber, Uv Filter) |
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Zinc Oxide
(Bulking Agent, Cosmetic Colorant, Skin Protecting, Sunscreen Agent) |
Good for Oily Skin
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Collagen
(Hair Conditioning, Skin Conditioning) |
Good for Dry Skin
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Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing) |
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Undecane
(Emollient, Skin Conditioning) |
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Propolis Extract
(Skin Conditioning) |
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Tridecane
(Perfuming) |
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Ceteareth-25
(Cleansing, Emulsifying, Surfactant) |
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Spirulina Platensis Extract
(Skin Protecting) |
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Glyceryl Stearate
(Emollient, Emulsifying) |
Fungal Acne Trigger
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Pentaerythrityl Distearate
(Skin Conditioning, Emollient, Viscosity Increasing Agent, Emulsifying) |
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Sodium Hyaluronate
(Skin Conditioning, Humectant) |
Good for Dry Skin
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Butyrospermum Parkii Butter
(Skin Conditioning, Viscosity Controlling) |
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Aloe Barbadensis Leaf Extract
(Emollient, Humectant, Oral Care Agent, Skin Conditioning) |
Good for Sensitive Skin
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Sodium Polyacrylate
(Absorbent, Emulsion Stabilising, Film Forming, Hair Fixing, Skin Conditioning Agent Emollient, Viscosity Controlling Agent, Viscosity Increasing Agent, Binding, Skin Conditioning) |
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Panthenol
(Antistatic Agent, Hair Conditioning, Skin Conditioning) |
Good for Dry Skin
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Disodium Cetearyl Sulfosuccinate
(Cleansing, Emulsifying, Foam Boosting, Foaming, Hydrotrope, Skin Conditioning, Surfactant) |
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Hyaluronic Acid
(Skin Conditioning, Viscosity Increasing Agent, Antistatic Agent, Humectant, Moisturising) |
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TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning) |
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PARFUM
(Fragrance, Perfuming) |
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Phenoxyethanol
(Fragrance, Preservative) |
Paraben
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Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant) |
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Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling) |
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How to use
General guidance from this product's category and active ingredients — always follow the directions on the package.
Trust & honesty
The concentrations these actives are typically effective at in research — not a measurement of this product.
Most research uses 2–5%; some formulas go to 10%. Very high levels can cause flushing in sensitive skin.
Niacinamide
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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