PETRICHOR Purifying Tonic

Stark Skincare

Where to buy Possibly in stock

About this product

The Stark Skincare PETRICHOR Purifying Tonic is a toner. Our analysis of its 16 ingredients (9 low-risk) rates it Excellent (97/100). Based on its ingredients, it looks well-suited to oily / acne-prone, dry, and sensitive skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Toners
Ingredients
16
Low-risk
9
Fragrance
Fragrance-free
Origin
Canada

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 5/3
Good for dry skin
Sodium PCA Glycerin Camellia Sinensis Leaf Extract Lactic Acid Rhodiola Rosea Root Extract
Caution for dry skin
Pelargonium Graveolens Water Glycerin Camellia Sinensis Leaf Extract
Oily/Acne-Prone Skin 2/0
Good for oily/acne-prone skin
Pelargonium Graveolens Water Camellia Sinensis Leaf Extract
Sensitive Skin 5/4
Good for sensitive skin
Glycerin Ferulic Acid Camellia Sinensis Leaf Extract Rhodiola Rosea Root Extract Aloe Barbadensis Leaf Juice
Caution for sensitive skin
Pelargonium Graveolens Water Glycerin Camellia Sinensis Leaf Extract Lactic Acid

Ingredients list

16 total
Lower hazard (1) Higher hazard (4)
All16 Skin Conditioning10 Humectant6 Antimicrobial4 Skin Protecting4 Solvent3 Fragrance3 Hair Conditioning3 Antioxidant3
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
B
Aloe Barbadensis Leaf Juice
(Skin Conditioning)
Good for Sensitive Skin
Good for Sensitive Skin
1
Pelargonium Graveolens Water
(Cosmetic Astringent, Deodorant, Fragrance, Hair Conditioning)
1
B
Sodium PCA
(Hair Conditioning, Humectant, Antistatic Agent, Skin Conditioning)
Good for Dry Skin
Good for Dry Skin
2
Ferulic Acid
(Antioxidant, Preservative, Uv Absorber, Antimicrobial)
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
Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling)
1
Leuconostoc/Radish Root Ferment Filtrate
(Antidandruff Agent, Antimicrobial)
1
B
Camellia Sinensis Leaf Extract
(Antimicrobial, Antioxidant, Astringent, Emollient, Humectant, Masking, Oral Care Agent, Skin Conditioning, Skin Protecting, Tonic, Uv Absorber)
Good for Oily Skin
Good for Oily Skin
olea europaea leaf extract
(Perfuming, Skin Conditioning)
Rhodiola Rosea Root Extract
(Emollient, Skin Protecting)
Lentinus Edodes Mycelium Extract
(Skin Conditioning)
Hamamelis Virginiana Extract
(Anti Sebum, Astringent, Skin Conditioning)
Vitis Vinifera Seed Extract
(Anti Seborrheic, Antimicrobial, Antioxidant, Oral Care, Skin Protecting, Uv Absorber)
4
B
Lactic Acid
(Exfoliant, Fragrance, Humectant, Ph Adjuster, Skin Conditioning Agent Humectant, Skin Conditioning, Buffering Agent)
Bad for Sensitive Skin
Bad for Sensitive Skin
1
A
Caesalpinia Spinosa Gum
(Adhesive, Skin Conditioning, Viscosity Increasing Agent, Film Forming, 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

Aloe Barbadensis Leaf Juice
Skin Conditioning
Sodium PCA
Humectant, Skin Conditioning
Ferulic Acid
Antioxidant, Uv Absorber
Glycerin
Humectant, Skin Protecting
Camellia Sinensis Leaf Extract
Antioxidant, Astringent
olea europaea leaf extract
Skin Conditioning

Benefits

Good for dry skin
Good for oily/acne-prone skin
Good for sensitive skin

Concerns

Not fungal acne (malassezia) safe

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Pelargonium Graveolens Water
Cosmetic astringent, Deodorant
Low-hazard ingredient.Read moreShow less
EWG 1 Cosmetic astringentDeodorantFragranceHair conditioning
Ferulic Acid
Antioxidant, Preservative
Low-hazard ingredient.Read moreShow less
EWG 2 AntioxidantPreservativeUv absorberAntimicrobial
Propanediol
Solvent, Viscosity decreasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 SolventViscosity decreasing agentViscosity controlling
Leuconostoc/Radish Root Ferment Filtrate
Antidandruff agent, Antimicrobial
Low-hazard ingredient.Read moreShow less
EWG 1 Antidandruff agentAntimicrobial
olea europaea leaf extract
Perfuming, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A PerfumingSkin conditioning
Rhodiola Rosea Root Extract
Emollient, Skin protecting
Limited public safety data.Read moreShow less
EWG N/A EmollientSkin protecting
Lentinus Edodes Mycelium Extract
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Hamamelis Virginiana Extract
Anti sebum, Astringent
Limited public safety data.Read moreShow less
EWG N/A Anti sebumAstringentSkin conditioning
Vitis Vinifera Seed Extract
Anti seborrheic, Antimicrobial
Limited public safety data.Read moreShow less
EWG N/A Anti seborrheicAntimicrobialAntioxidantOral careSkin protectingUv absorber
Caesalpinia Spinosa Gum
Adhesive, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A AdhesiveSkin conditioningViscosity increasing agentFilm formingViscosity controlling
Aloe Barbadensis Leaf Juice
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A CIR B Skin conditioning Good for Sensitive Skin
Sodium PCA
Hair conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Hair conditioningHumectantAntistatic agentSkin conditioning Good for Dry 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
Camellia Sinensis Leaf Extract
Antimicrobial, Antioxidant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B AntimicrobialAntioxidantAstringentEmollientHumectantMaskingOral care agentSkin conditioningSkin protectingTonicUv absorber Good for Oily Skin
Lactic Acid
Exfoliant, Fragrance
Skin irritation can occur at high concentrationRead moreShow less
EWG 4 CIR B ExfoliantFragranceHumectantPh adjusterSkin-conditioning agent -humectantSkin conditioningBuffering agent Bad for Sensitive Skin

How to use

How to use

  • 1 Where it fits: Use right after cleansing, before serums.
  • 2 Morning only: Apply as the last step of your AM routine, after moisturiser, and reapply every ~2 hours of sun exposure.
  • 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

Effective levels — general guide

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

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.

Lactic 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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