Kiehl's Blue Herbal Spot Treatment

Kiehl's

Kiehl's Blue Herbal Spot Treatment

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About this product

The Kiehl's Blue Herbal Spot Treatment is a treatment. Our analysis of its 22 ingredients (16 low-risk) rates it Excellent (92/100). Based on its ingredients, it looks well-suited to oily / acne-prone skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Treatments
Ingredients
22
Low-risk
16
Fragrance
Fragrance-free
Origin
United States

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 2/8
Good for dry skin
Glycerin Propylene Glycol
Caution for dry skin
Glycerin Salicylic Acid Hexylene Glycol Menthol Alcohol Denat. Triethanolamine Hamamelis Virginiana (Witch Hazel) Extract Camphor
Oily/Acne-Prone Skin 3/0
Good for oily/acne-prone skin
Salicylic Acid Alcohol Denat. Hamamelis Virginiana (Witch Hazel) Extract
Sensitive Skin 6/11
Good for sensitive skin
Laminaria Saccharina Extract Glycerin Menthol Hamamelis Virginiana (Witch Hazel) Extract Camphor Aloe Barbadensis Leaf Juice
Caution for sensitive skin
Dipropylene Glycol Zingiber Officinale (Ginger) Root Extract Glycerin Propylene Glycol Salicylic Acid Hexylene Glycol Menthol Alcohol Denat. Triethanolamine Camphor Cinnamomum Cassia Bark Extract

Ingredients list

22 total
Lower hazard (1) Higher hazard (5)
All22 Skin Conditioning13 Fragrance9 Masking8 Solvent7 Viscosity Controlling5 Humectant4 Denaturant4 Viscosity Decreasing Agent4
EWG CIR Ingredient Name & Cosmetic Functions Notes
4
B
Salicylic Acid
(Antiacne Agent, Antidandruff Agent, Corn/Callus/Wart Remover, Denaturant, Exfoliant, Fragrance, Hair Conditioning, Skin Conditioning, Keratolytic, Masking, Preservative)
Good for Oily Skin
Good for Oily Skin
Bad for Sensitive Skin
Bad for Sensitive Skin
1
Water
(Solvent)
4
Alcohol Denat.
(Antifoaming Agent, Antimicrobial, Astringent, Masking, Solvent, Viscosity Controlling)
Bad for Dry Skin
Bad for Dry Skin
Bad for Sensitive Skin
Bad for Sensitive Skin
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
4
B
Glycolic Acid
(Exfoliant, Ph Adjuster, Buffering Agent)
Good for Oily Skin
Good for Oily Skin
Bad for Sensitive Skin
Bad for Sensitive Skin
5
B
Triethanolamine
(Fragrance, Ph Adjuster, Emulsifying, Surfactant, Buffering Agent, Masking)
1
Ammonium Polyacryloyldimethyl Taurate
(Emulsion Stabilising, Viscosity Increasing Agent, Viscosity Controlling)
1
Acrylates/C10-30 Alkyl Acrylate Crosspolymer
(Emulsion Stabilising, Film Forming, Viscosity Controlling)
1
Hamamelis Virginiana (Witch Hazel) Extract
(Cosmetic Astringent, Skin Conditioning, Hair Conditioning, Soothing)
Good for Oily Skin
Good for Oily Skin
3
Zinc Gluconate
(Cosmetic Biocide, Skin Conditioning, Deodorant)
B
Aloe Barbadensis Leaf Juice
(Skin Conditioning)
Good for Sensitive Skin
Good for Sensitive Skin
1
Poterium Officinale Root Extract
(Antimicrobial, Tonic)
1
Zingiber Officinale (Ginger) Root Extract
(Fragrance, Skin Conditioning, Masking, Perfuming, Tonic)
1
Laminaria Saccharina Extract
(Skin Protecting)
Cinnamomum Cassia Bark Extract
(Hair Conditioning, Masking, Oral Care Agent)
2
Camphor
(Denaturant, External Analgesic, Fragrance, Plasticizer, Masking)
Good for Oily Skin
Good for Oily Skin
3
B
Propylene Glycol
(Fragrance, Humectant, Skin Conditioningagent Miscellaneous, Solvent, Viscosity Decreasing Agent, Skin Conditioning, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
1
A
Dipropylene Glycol
(Fragrance, Solvent, Viscosity Decreasing Agent, Masking, Viscosity Controlling)
1
Menthol
(Denaturant, External Analgesic, Flavoring Agent, Fragrance, Oral Health Caredrug, Masking, Refreshing, Soothing)
Good for Oily Skin
Good for Oily Skin
Bad for Sensitive Skin
Bad for Sensitive Skin
Bad for Dry Skin
Bad for Dry Skin
1
A
Pentylene Glycol
(Skin Conditioning, Solvent)
1
Boswellia Serrata Extract
(Skin Conditioning)
1
A
Hexylene Glycol
(Fragrance, Solvent, Viscosity Decreasing Agent, Emulsifying, Perfuming, Skin Conditioning, Surfactant)

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

Salicylic Acid
Exfoliant, Skin Conditioning
Alcohol Denat.
Astringent
Glycerin
Humectant, Skin Protecting
Glycolic Acid
Exfoliant
Hamamelis Virginiana (Witch Hazel) Extract
Skin Conditioning, Soothing
Zinc Gluconate
Skin Conditioning

Benefits

Good for oily/acne-prone skin

Concerns

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

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Ammonium Polyacryloyldimethyl Taurate
Emulsion stabilising, Viscosity increasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 Emulsion stabilisingViscosity increasing agentViscosity controlling
Acrylates/C10-30 Alkyl Acrylate Crosspolymer
Emulsion stabilising, Film forming
Low-hazard ingredient.Read moreShow less
EWG 1 Emulsion stabilisingFilm formingViscosity controlling
Zinc Gluconate
Cosmetic biocide, Skin conditioning
Low-to-moderate hazard.Read moreShow less
EWG 3 Cosmetic biocideSkin conditioningDeodorant
Poterium Officinale Root Extract
Antimicrobial, Tonic
Low-hazard ingredient.Read moreShow less
EWG 1 AntimicrobialTonic
Zingiber Officinale (Ginger) Root Extract
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 FragranceSkin conditioningMaskingPerfumingTonic
Laminaria Saccharina Extract
Skin protecting
Low-hazard ingredient.Read moreShow less
EWG 1 Skin protecting
Cinnamomum Cassia Bark Extract
Hair conditioning, Masking
Limited public safety data.Read moreShow less
EWG N/A Hair conditioningMaskingOral care agent
Dipropylene Glycol
Fragrance, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSolventViscosity decreasing agentMaskingViscosity controlling
Pentylene Glycol
Skin conditioning, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningSolvent
Boswellia Serrata Extract
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Hexylene Glycol
Fragrance, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSolventViscosity decreasing agentEmulsifyingPerfumingSkin conditioningSurfactant
Salicylic Acid
Antiacne agent, Antidandruff agent
Skin irritation can occur at high concentrationRead moreShow less
EWG 4 CIR B Antiacne agentAntidandruff agentCorn/callus/wart removerDenaturantExfoliantFragranceHair conditioningSkin conditioningKeratolyticMaskingPreservative Good for Oily SkinBad for Sensitive Skin
Alcohol Denat.
Antifoaming agent, Antimicrobial
Causes moisture evaporation - prone to dry out skinRead moreShow less
EWG 4 Antifoaming agentAntimicrobialAstringentMaskingSolventViscosity controlling Bad for Dry SkinBad for Sensitive Skin
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
Glycolic Acid
Exfoliant, Ph adjuster
Skin irritation can occur at high concentrationRead moreShow less
EWG 4 CIR B ExfoliantPh adjusterBuffering agent Good for Oily SkinBad for Sensitive Skin
Triethanolamine
Fragrance, Ph adjuster
Moderate-hazard ingredient.Read moreShow less
EWG 5 CIR B FragrancePh adjusterEmulsifyingSurfactantBuffering agentMasking
Hamamelis Virginiana (Witch Hazel) Extract
Cosmetic astringent, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Cosmetic astringentSkin conditioningHair conditioningSoothing Good for Oily Skin
Aloe Barbadensis Leaf Juice
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A CIR B Skin conditioning Good for Sensitive Skin
Camphor
Denaturant, External analgesic
Low-hazard ingredient.Read moreShow less
EWG 2 DenaturantExternal analgesicFragrancePlasticizerMasking Good for Oily Skin
Propylene Glycol
Fragrance, Humectant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B FragranceHumectantSkin-conditioningagent - miscellaneousSolventViscosity decreasing agentSkin conditioningViscosity controlling Good for Dry Skin
Menthol
Denaturant, External analgesic
Potentially a skin irritantRead moreShow less
EWG 1 DenaturantExternal analgesicFlavoring agentFragranceOral health caredrugMaskingRefreshingSoothing Good for Oily SkinBad for Sensitive SkinBad for Dry Skin

How to use

How to use

  • 1 Where it fits: Apply after toner and before moisturiser — thinnest to thickest.
  • 2 Evening, start slow: Best in the PM a few times a week to begin with; avoid layering with other strong actives the same night.
  • 3 Wear SPF the next day: Acids and retinoids increase sun sensitivity — daily sunscreen is a must while using this.

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

Trust & honesty

Pregnancy & breastfeeding

Contains ingredients some choose to avoid or double-check while pregnant or nursing.

Use with caution
BHA (salicylic) (Salicylic Acid)

Low-strength topical salicylic acid (BHA) is generally considered fine. Caution is usually reserved for high-strength leave-on products and salicylic peels.

This is general information, not medical advice. Pregnancy guidance varies and depends on concentration and your individual situation — always check with your doctor, midwife or pharmacist. How we flag this.

Effective levels — general guide

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

BHA (salicylic) 0.5–2%

Salicylic acid is OTC-capped at 2%; 0.5–2% is the usual leave-on range. Much below that it acts more as a soothing agent than an exfoliant.

Salicylic Acid

AHA (acid exfoliant) 5–10% (OTC)

OTC leave-on AHAs are usually 5–10%. The effect also depends on pH and free-acid value, not the percentage alone.

Glycolic Acid

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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