SilkSHIELD All Mineral Sunscreen SPF 30 with TriHex Technology

Alastin

SilkSHIELD All Mineral Sunscreen SPF 30 with TriHex Technology

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About this product

The Alastin SilkSHIELD All Mineral Sunscreen SPF 30 with TriHex Technology is a emulsion. Our analysis of its 20 ingredients (17 low-risk) rates it Excellent (100/100). Based on its ingredients, it looks well-suited to dry and sensitive skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Emulsion
Ingredients
20
Low-risk
17
Fragrance
Fragrance-free
Origin
United States
SPF
30 · blocks 96.7% UVB
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 6/3
Good for dry skin
Squalane Ectoin Caprylic/Capric Triglyceride Pentaerythrityl Tetraisostearate Dimethicone Cyclopentasiloxane
Caution for dry skin
Stearalkonium Hectorite Pentaerythrityl Tetraisostearate Polyglyceryl-3 Polydimethylsiloxyethyl Dimethicone
Oily/Acne-Prone Skin 0/1
Caution for oily/acne-prone skin
Pentaerythrityl Tetraisostearate
Sensitive Skin 2/1
Good for sensitive skin
Zinc Oxide Dimethicone
Caution for sensitive skin
Caprylic/Capric Triglyceride

Ingredients list

20 total
Lower hazard (1) Higher hazard (3)
All20 Skin Conditioning16 Emollient6 Film Forming4 Skin Protecting3 Hair Conditioning3 Solvent3 Viscosity Controlling3 Viscosity Increasing Agent3
EWG CIR Ingredient Name & Cosmetic Functions Notes
2
3
Zinc Oxide
(Bulking Agent, Cosmetic Colorant, Skin Protecting, Sunscreen Agent)
Good for Oily Skin
Good for Oily Skin
3
A
Dimethicone
(Antifoaming Agent, Skin Protecting, Emollient, Skin Conditioning)
Silicone
Silicone
3
A
Cyclopentasiloxane
(Hair Conditioning, Skin Conditioning, Emollient, Solvent)
Silicone
Silicone
1
Polysilicone-11
(Film Forming)
1
A
Squalane
(Emollient, Hair Conditioning, Refatting, Skin Conditioning)
1
Polyglyceryl-3 Polydimethylsiloxyethyl Dimethicone
(Hair Conditioning, Skin Conditioning, Surfactant Cleansingagent, Emulsifying, Surfactant, Viscosity Increasing Agent)
1
A
HDI/Trimethylol Hexyllactone Crosspolymer
(Anticaking Agent)
1
A
Methyl Methacrylate Crosspolymer
(Film Forming, Viscosity Increasing Agent)
1
Triethoxysilylethyl Polydimethylsiloxyethyl Hexyl Dimethicone
(Skin Conditioning)
Palmitoyl Hexapeptide-12
(Skin Conditioning)
1
A
Palmitoyl Tripeptide-1
(Skin Conditioning)
1
Dunaliella Salina Extract
(Skin Conditioning)
1
Ectoin
(Buffering Agent, Skin Conditioning, Emollient)
Hydroxymethoxyphenyl Decanone
(Skin Conditioning)
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)
1
A
Caprylic/Capric Triglyceride
(Emollient, Masking, Perfuming, Skin Conditioning, Solvent)
1
A
Stearalkonium Hectorite
(Suspending Agent Nonsurfactant, Gel Forming, Viscosity Controlling)
1
A
Disteardimonium Hectorite
(Stabilising, Viscosity Controlling)
1
A
Pentaerythrityl Tetraisostearate
(Binding Agent, Skin Conditioning Agent Occlusive, Viscosity Increasing Agent, Emollient, Emulsifying, Surfactant)
1
A
Propylene Carbonate
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling)

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

Zinc Oxide
Skin Protecting
Dimethicone
Skin Protecting, Emollient
Cyclopentasiloxane
Skin Conditioning, Emollient
Squalane
Emollient, Skin Conditioning
Polyglyceryl-3 Polydimethylsiloxyethyl Dimethicone
Skin Conditioning
Triethoxysilylethyl Polydimethylsiloxyethyl Hexyl Dimethicone
Skin Conditioning

Benefits

Fungal-acne (Malassezia) safe
Good for dry skin
Good for sensitive skin

Concerns

Contains silicone
May not suit oily/acne-prone skin

Ingredients explained

Polysilicone-11
Film forming
Low-hazard ingredient.Read moreShow less
EWG 1 Film forming
Squalane
Emollient, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientHair conditioningRefattingSkin conditioning
Polyglyceryl-3 Polydimethylsiloxyethyl Dimethicone
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Hair conditioningSkin conditioningSurfactant - cleansingagentEmulsifyingSurfactantViscosity increasing agent
HDI/Trimethylol Hexyllactone Crosspolymer
Anticaking agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Anticaking agent
Methyl Methacrylate Crosspolymer
Film forming, Viscosity increasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Film formingViscosity increasing agent
Triethoxysilylethyl Polydimethylsiloxyethyl Hexyl Dimethicone
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Palmitoyl Hexapeptide-12
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Palmitoyl Tripeptide-1
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioning
Dunaliella Salina Extract
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Ectoin
Buffering agent, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Buffering agentSkin conditioningEmollient
Hydroxymethoxyphenyl Decanone
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
TOCOPHEROL
Antioxidant, Fragrance
Limited public safety data.Read moreShow less
EWG N/A AntioxidantFragranceSkin conditioning
Caprylic/Capric Triglyceride
Emollient, Masking
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientMaskingPerfumingSkin conditioningSolvent
Stearalkonium Hectorite
Suspending agent - nonsurfactant, Gel forming
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Suspending agent - nonsurfactantGel formingViscosity controlling
Disteardimonium Hectorite
Stabilising, Viscosity controlling
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A StabilisingViscosity controlling
+ 2 more — see the full ingredients list above
Zinc Oxide
Bulking agent, Cosmetic colorant
Low-to-moderate hazard.Read moreShow less
EWG 2–3 Bulking agentCosmetic colorantSkin protectingSunscreen agent Good for Oily Skin
Dimethicone
Antifoaming agent, Skin protecting
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Antifoaming agentSkin protectingEmollientSkin conditioning Silicone
Cyclopentasiloxane
Hair conditioning, Skin conditioning
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Hair conditioningSkin conditioningEmollientSolvent Silicone

How to use

How to use

  • 1 Morning only: Apply as the last step of your AM routine, after moisturiser, and reapply every ~2 hours of sun exposure.

General guidance from this product's category and active ingredients — always follow the directions on the package.

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