Dawn to Dusk SPF 50+ SPF Serum

Alpha-H

Dawn to Dusk SPF 50+ SPF Serum

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About this product

The Alpha-H Dawn to Dusk SPF 50+ SPF Serum is a sunscreen. Our analysis of its 22 ingredients (16 low-risk) rates it Excellent (92/100). 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
Sunscreen
Ingredients
22
Low-risk
16
Fragrance
Fragrance-free
Origin
Australia
SPF
50 · blocks 98.0% UVB
Data updated
May 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 4/1
Good for dry skin
Sodium Hyaluronate Glycerin Dibutyl Adipate Dimethicone
Caution for dry skin
Glycerin
Oily/Acne-Prone Skin No data
Sensitive Skin 4/4
Good for sensitive skin
Glycerin Dimethicone Tocopheryl Acetate Aloe Barbadensis Leaf Juice
Caution for sensitive skin
Glycerin Phenoxyethanol Homosalate Benzyl Alcohol

Ingredients list

22 total
Lower hazard (1) Higher hazard (5)
All22 Skin Conditioning15 Uv Absorber7 Uv Filter6 Solvent5 Fragrance4 Viscosity Controlling3 Film Forming3 Skin Protecting3
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
4
Homosalate
(Fragrance, Sunscreen Agent, Uv Absorber, Skin Conditioning, Uv Filter)
4
Ethylhexyl Salicylate
(Uv Absorber, Uv Filter)
1
A
Dibutyl Adipate
(Plasticizer, Skin Conditioning, Emollient, Solvent, Film Forming)
2
A
Glycerin
(Denaturant, Fragrance, Hair Conditioning, Humectant, Oral Care Agent, Oral Health Care Drug, Skin Protecting, Viscosity Decreasing Agent, Perfuming, Solvent)
Good for Dry Skin
Good for Dry Skin
Fungal Acne
Fungal Acne Trigger
2
Butyl Methoxydibenzoylmethane
(Uv Absorber, Uv Filter)
Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine
(Skin Conditioning, Uv Absorber, Uv Filter)
3
A
Dimethicone
(Antifoaming Agent, Skin Protecting, Emollient, Skin Conditioning)
Silicone
Silicone
1
Ethylhexyl Triazone
(Uv Absorber, Uv Filter)
1
B
Butyloctyl Salicylate
(Hair Conditioning, Skin Conditioning, Solvent)
1
VP/Hexadecene Copolymer
(Binding, Film Forming, Hair Fixing, Viscosity Controlling)
B
Aloe Barbadensis Leaf Juice
(Skin Conditioning)
Good for Sensitive Skin
Good for Sensitive Skin
3
Phenylbenzimidazole Sulfonic Acid
(Uv Absorber, Uv Filter)
1
A
Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
3
A
Aminomethyl Propanol
(Ph Adjuster, Buffering Agent)
5
A
Benzyl Alcohol
(External Analgesic, Fragrance, Oral Health Care Drug, Preservative, Solvent, Viscosity Decreasing Agent, Masking)
Allergens
Allergens
1
Acrylates/C10-30 Alkyl Acrylate Crosspolymer
(Emulsion Stabilising, Film Forming, Viscosity Controlling)
3
Tocopheryl Acetate
(Antioxidant, Skin Conditioning)
Bad for Oily Skin
Bad for Oily Skin
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
1
A
Sodium Hyaluronate
(Skin Conditioning, Humectant)
Good for Dry Skin
Good for Dry Skin
1
A
Disodium EDTA
(Chelating 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

Chemical UV Filter
Absorbs UV rays to help prevent sun damage.
Vitamin E
Protects skin and soothes irritation.
Niacinamide
Strengthens, smooths, and brightens skin.
Hyaluronic Acid
Hydrates by attracting and holding water.
Antioxidants
Shields skin from free radical damage.

Benefits

HydratingBoosts hydration and relieves dry, tight skin.
Redness ReducingSoothes visible redness and calms irritation.
Scar HealingImproves the look of marks and scars.
Barrier RepairStrengthen and restore your skin's natural barrier.
Anti-AgingSoftens lines and helps skin look youthful.
BrighteningRestores radiance to dull, tired skin.
Reduces IrritationEases discomfort and supports skin resilience.
Acne FightingFights acne and helps prevent breakouts.

Concerns

Contains paraben
Contains silicone
Contains eu allergen
Not fungal acne (malassezia) safe

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Homosalate
Fragrance, Sunscreen agent
Low-to-moderate hazard.Read moreShow less
EWG 4 FragranceSunscreen agentUv absorberSkin conditioningUv filter
Ethylhexyl Salicylate
Uv absorber, Uv filter
Low-to-moderate hazard.Read moreShow less
EWG 4 Uv absorberUv filter
Dibutyl Adipate
Plasticizer, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A PlasticizerSkin conditioningEmollientSolventFilm forming
Butyl Methoxydibenzoylmethane
Uv absorber, Uv filter
Low-hazard ingredient.Read moreShow less
EWG 2 Uv absorberUv filter
Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine
Skin conditioning, Uv absorber
Limited public safety data.Read moreShow less
EWG N/A Skin conditioningUv absorberUv filter
Ethylhexyl Triazone
Uv absorber, Uv filter
Low-hazard ingredient.Read moreShow less
EWG 1 Uv absorberUv filter
Butyloctyl Salicylate
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Hair conditioningSkin conditioningSolvent
VP/Hexadecene Copolymer
Binding, Film forming
Low-hazard ingredient.Read moreShow less
EWG 1 BindingFilm formingHair fixingViscosity controlling
Phenylbenzimidazole Sulfonic Acid
Uv absorber, Uv filter
Low-to-moderate hazard.Read moreShow less
EWG 3 Uv absorberUv filter
Niacinamide
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningSmoothing
Aminomethyl Propanol
Ph adjuster, Buffering agent
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Ph adjusterBuffering agent
Acrylates/C10-30 Alkyl Acrylate Crosspolymer
Emulsion stabilising, Film forming
Low-hazard ingredient.Read moreShow less
EWG 1 Emulsion stabilisingFilm formingViscosity controlling
Ethylhexylglycerin
Deodorant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A DeodorantSkin conditioning
Disodium EDTA
Chelating agent, Viscosity controlling
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Chelating agentViscosity controlling
Glycerin
Denaturant, Fragrance
Low-hazard ingredient.Read moreShow less
EWG 2 CIR A DenaturantFragranceHair conditioningHumectantOral care agentOral health care drugSkin protectingViscosity decreasing agentPerfumingSolvent Good for Dry SkinFungal-acne trigger
Dimethicone
Antifoaming agent, Skin protecting
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Antifoaming agentSkin protectingEmollientSkin conditioning Silicone
Aloe Barbadensis Leaf Juice
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A CIR B Skin conditioning Good for Sensitive Skin
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben
Benzyl Alcohol
External analgesic, Fragrance
Moderate-hazard ingredient.Read moreShow less
EWG 5 CIR A External analgesicFragranceOral health care drugPreservativeSolventViscosity decreasing agentMasking Allergens
Tocopheryl Acetate
Antioxidant, Skin conditioning
Potentially comedogenic - can block poresRead moreShow less
EWG 3 AntioxidantSkin conditioning Bad for Oily Skin
Sodium Hyaluronate
Skin conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningHumectant Good for Dry Skin

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.

Trust & honesty

Effective levels — general guide

The concentrations these actives are typically effective at in research — not a measurement of this product.

Niacinamide 2–5% (up to 10%)

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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