Auto-Tone Discoloration & UV Solution SPF 30

Kiehl's

Auto-Tone Discoloration & UV Solution SPF 30

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About this product

The Kiehl's Auto-Tone Discoloration & UV Solution SPF 30 is a treatment. Our analysis of its 35 ingredients (30 low-risk) rates it Excellent (96/100). Based on its ingredients, it looks well-suited to dry skin.

Vegan-friendly

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Treatments
Ingredients
35
Low-risk
30
Fragrance
Fragrance-free
Origin
United States
SPF
30 · blocks 96.7% UVB

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 7/6
Good for dry skin
Behenyl Alcohol Sodium Dilauramidoglutamide Lysine Arachidyl Alcohol Caprylyl Glycol Butylene Glycol Glycerin Polyglyceryl-4 Caprate
Caution for dry skin
Arachidyl Glucoside Xanthan Gum Capryloyl Glycine Glycerin Polyglyceryl-4 Caprate Silica
Oily/Acne-Prone Skin No data
Sensitive Skin 3/5
Good for sensitive skin
Glycerin Pentaerythrityl Tetra-di-t-butyl Hydroxyhydrocinnamate Hydroxyacetophenone
Caution for sensitive skin
Butylene Glycol Glycerin Citric Acid Phenoxyethanol Homosalate

Ingredients list

35 total
Lower hazard (1) Higher hazard (4)
All35 Skin Conditioning12 Emulsion Stabilising10 Viscosity Controlling10 Viscosity Increasing Agent6 Uv Absorber5 Fragrance5 Solvent5 Humectant5
EWG CIR Ingredient Name & Cosmetic Functions Notes
2
Butyl Methoxydibenzoylmethane
(Uv Absorber, Uv Filter)
4
Homosalate
(Fragrance, Sunscreen Agent, Uv Absorber, Skin Conditioning, Uv Filter)
4
Ethylhexyl Salicylate
(Uv Absorber, Uv Filter)
3
Octocrylene
(Sunscreen Agent, Uv Absorber, Uv Filter)
1
Water
(Solvent)
3
C15-19 Alkane
(Solvent)
1
A
Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing)
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
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
1
2
A
Silica
(Abrasive, Absorbent, Anticaking Agent, Bulking Agent, Opacifying, Viscosity Controlling)
1
3
Titanium/Titanium Dioxide
(Cosmetic Colorant, Opacifying)
1
Hydroxyacetophenone
(Antioxidant)
1
A
Pentaerythrityl Tetra-di-t-butyl Hydroxyhydrocinnamate
(Antioxidant)
3
B
Potassium Hydroxide
(Ph Adjuster, Buffering Agent)
1
Sodium Thiosulfate
(Reducing)
TARAXACUM OFFICINALE RHIZOME/ROOT EXTRACT
(Skin Conditioning, Soothing)
1
Trisodium Ethylenediamine Disuccinate
(Chelating Agent)
1
B
Capryloyl Glycine
(Cleansing, Hair Conditioning, Surfactant)
Butyrospermum Parkii Butter
(Skin Conditioning, Viscosity Controlling)
1
Ammonium Acryloyldimethyltaurate/VP Copolymer
(Viscosity Controlling)
1
Arachidyl Alcohol
(Emulsion Stabilising, Viscosity Increasing Agent, Emollient, Viscosity Controlling)
1
B
Arachidyl Glucoside
(Emulsifying, Surfactant)
1
A
Behenyl Alcohol
(Binding Agent, Emulsion Stabilising, Viscosity Increasing Agent, Binding, Emollient, Viscosity Controlling)
1
A
Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant)
1
A
Carbomer
(Emulsion Stabilising, Viscosity Increasing Agent, Gel Forming, Viscosity Controlling)
2
A
Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking)
Bad for Sensitive Skin
Bad for Sensitive Skin
2
Mica
(Cosmetic Colorant, Opacifying)
1
A
Pentylene Glycol
(Skin Conditioning, Solvent)
1
Poly C10-30 Alkyl Acrylate
(Binding Agent, Emulsion Stabilising, Viscosity Increasing Agent, Viscosity Controlling)
1
B
Polyglyceryl-4 Caprate
(Skin Conditioning, Emollient, Emulsifying, Surfactant)
1
Sodium Dilauramidoglutamide Lysine
(Humectant)
2
A
Tin Oxide
(Abrasive, Bulking Agent, Opacifying, Viscosity Controlling)
1
A
Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling)
3
CI 14700
(Cosmetic Colorant)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben

My Ingredient Notes

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Key ingredients

Chemical UV Filter
Absorbs UV rays to help prevent sun damage.
Antioxidants
Shields skin from free radical damage.
Exfoliators
Removes dead skin cells to smoothe texture.
Niacinamide
Strengthens, smooths, and brightens skin.
Mineral UV Filter
Reflects UV rays using mineral barriers.

Benefits

Barrier RepairStrengthen and restore your skin's natural barrier.
HydratingBoosts hydration and relieves dry, tight skin.
Reduces IrritationEases discomfort and supports skin resilience.
Good For Oily SkinBalances oil and helps reduce shine.
Reduces Large PoresMinimizes the look of enlarged pores.
Redness ReducingSoothes visible redness and calms irritation.
Scar HealingImproves the look of marks and scars.
Dark SpotsFades dark spots for even skin tone.

Concerns

Contains paraben
Not fungal acne (malassezia) safe
May not suit sensitive skin

Ingredients explained

Butyl Methoxydibenzoylmethane
Uv absorber, Uv filter
Low-hazard ingredient.Read moreShow less
EWG 2 Uv absorberUv filter
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
Octocrylene
Sunscreen agent, Uv absorber
Low-to-moderate hazard.Read moreShow less
EWG 3 Sunscreen agentUv absorberUv filter
Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
C15-19 Alkane
Solvent
Low-to-moderate hazard.Read moreShow less
EWG 3 Solvent
Niacinamide
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningSmoothing
Silica
Abrasive, Absorbent
Low-hazard ingredient.Read moreShow less
EWG 1–2 CIR A AbrasiveAbsorbentAnticaking agentBulking agentOpacifyingViscosity controlling
Titanium/Titanium Dioxide
Cosmetic colorant, Opacifying
Low-to-moderate hazard.Read moreShow less
EWG 1–3 Cosmetic colorantOpacifying
Hydroxyacetophenone
Antioxidant
Low-hazard ingredient.Read moreShow less
EWG 1 Antioxidant
Pentaerythrityl Tetra-di-t-butyl Hydroxyhydrocinnamate
Antioxidant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antioxidant
Potassium Hydroxide
Ph adjuster, Buffering agent
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B Ph adjusterBuffering agent
Sodium Thiosulfate
Reducing
Low-hazard ingredient.Read moreShow less
EWG 1 Reducing
TARAXACUM OFFICINALE RHIZOME/ROOT EXTRACT
Skin conditioning, Soothing
Limited public safety data.Read moreShow less
EWG N/A Skin conditioningSoothing
Trisodium Ethylenediamine Disuccinate
Chelating agent
Low-hazard ingredient.Read moreShow less
EWG 1 Chelating agent
+ 16 more — see the full ingredients list above
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
Butylene Glycol
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSkin conditioningSolventViscositydecreasing agentHumectantMaskingViscosity controlling Good for Dry Skin
Citric Acid
Chelating agent, Fragrance
Skin irritation can occur at high concentrationRead moreShow less
EWG 2 CIR A Chelating agentFragrancePh adjusterBuffering agentMasking Bad for Sensitive Skin
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben

How to use

How to use

  • 1 Where it fits: Apply after toner and before moisturiser — thinnest to thickest.
  • 2 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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