The One 12-In-1 Leave-In Primer

Kristin Ess Hair

Where to buy Possibly in stock

About this product

The Kristin Ess Hair The One 12-In-1 Leave-In Primer is a emulsion. Our analysis of its 37 ingredients (27 low-risk) rates it Excellent (98/100). Heads up: it contains fragrance, which can irritate sensitive or reactive skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Emulsion
Ingredients
37
Low-risk
27
Fragrance
Contains fragrance
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 5/11
Good for dry skin
Cetearyl Alcohol Sorbitol Caprylic/Capric Triglyceride Glycerin Propylene Glycol
Caution for dry skin
C11-15 Pareth-12 C11-15 Pareth-7 C12-16 Pareth-9 Behentrimonium Methosulfate Sorbitan Oleate Xanthan Gum Glycerin Coco-glucoside Trideceth-12 Cetrimonium Chloride Cetearamidoethyldiethonium Succinoyl Hydrolyzed Pea Protein
Oily/Acne-Prone Skin No data
Sensitive Skin 4/10
Good for sensitive skin
Hypnea Musciformis Extract Sargassum Filipendula Extract Glycerin Gelidiella Acerosa Extract
Caution for sensitive skin
Sorbitan Oleate Sorbitol Algin Caprylic/Capric Triglyceride Glycerin Propylene Glycol Citric Acid Potassium Sorbate Phenoxyethanol Alpha-Isomethyl Ionone

Ingredients list

37 total
Lower hazard (1) Higher hazard (5)
All37 Skin Conditioning15 Fragrance12 Surfactant9 Emulsifying7 Antistatic Agent6 Humectant6 Hair Conditioning6 Perfuming5
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
1
C11-15 Pareth-12
(Emulsifying, Surfactant)
PARFUM
(Fragrance, Perfuming)
Chamomilla Recutita Flower Oil
(Fragrance, Skin Conditioning)
Helianthus Annuus Seed Oil
(Fragrance, Skin Conditioning, Skin Conditioning Emollient)
MANGIFERA INDICA SEED BUTTER
(Skin Conditioning)
PERSEA GRATISSIMA OIL
(Skin Conditioning)
Ricinus Communis Seed Oil
(Fragrance, Perfuming, Skin Conditioning)
1
B
Coco-glucoside
(Cleansing, Foaming, Surfactant)
1
Gelidiella Acerosa Extract
(Skin Protecting)
1
A
Algin
(Binding Agent, Fragrance, Viscosity Increasing Agent, Binding, Masking, Viscosity Controlling)
Bad for Sensitive Skin
Bad for Sensitive Skin
Bad for Oily Skin
Bad for Oily Skin
Carrageenan
1
Chitosan
(Film Forming, Hair Fixing)
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
Panthenol
(Antistatic Agent, Hair Conditioning, Skin Conditioning)
Good for Dry Skin
Good for Dry Skin
1
A
Guar Hydroxypropyltrimonium Chloride
(Antistatic Agent, Hair Conditioning, Viscosity Increasing Agent, Film Forming, Skin Conditioning, Viscosity Controlling)
Cetearamidoethyldiethonium Succinoyl Hydrolyzed Pea Protein
(Antistatic Agent, Cleansing, Surfactant)
1
Hypnea Musciformis Extract
(Skin Protecting)
1
Sargassum Filipendula Extract
(Skin Protecting)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
3
B
Cetrimonium Chloride
(Antistatic Agent, Cosmetic Biocide, Emulsifying, Surfactant, Antimicrobial, Preservative)
1
Trimethylsiloxyamodimethicone
(Hair Conditioning)
1
B
C11-15 Pareth-7
(Emulsifying, Surfactant)
1
B
C12-16 Pareth-9
(Emulsifying, Surfactant)
1
Trideceth-12
(Emulsifying, Surfactant)
2
A
Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking)
Bad for Sensitive Skin
Bad for Sensitive Skin
3
A
Potassium Sorbate
(Fragrance, Preservative)
1
A
Cetearyl Alcohol
(Emulsion Stabilising, Opacifying, Foam Boosting, Viscosity Increasingagent Aqueous, Viscosity Increasing Agent, Emollient, Emulsifying, Viscosity Controlling)
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
Quaternium-80
(Antistatic Agent, Hair Conditioning)
1
B
Behentrimonium Methosulfate
(Antistatic Agent, Hair Conditioning, Surfactant)
1
Sorbitol
(Flavoring Agent, Fragrance, Humectant, Plasticizer, Skin Conditioning)
1
A
Caprylic/Capric Triglyceride
(Emollient, Masking, Perfuming, Skin Conditioning, Solvent)
1
A
Sorbitan Oleate
(Fragrance, Emulsifying, Surfactant)
Bad for Oily Skin
Bad for Oily Skin
Fungal Acne
Fungal Acne Trigger
1
A
Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling)
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
5
Alpha-Isomethyl Ionone
(Perfuming, Skin Conditioning)
Allergens
Allergens

My Ingredient Notes

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Key ingredients

Chamomilla Recutita Flower Oil
Skin Conditioning
Helianthus Annuus Seed Oil
Skin Conditioning
MANGIFERA INDICA SEED BUTTER
Skin Conditioning
PERSEA GRATISSIMA OIL
Skin Conditioning
Ricinus Communis Seed Oil
Skin Conditioning
Gelidiella Acerosa Extract
Skin Protecting

Benefits

HydratingBoosts hydration and relieves dry, tight skin.
Barrier RepairStrengthen and restore your skin's natural barrier.
Scar HealingImproves the look of marks and scars.
Reduces IrritationEases discomfort and supports skin resilience.
Redness ReducingSoothes visible redness and calms irritation.

Concerns

Contains paraben
Contains eu allergen
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
C11-15 Pareth-12
Emulsifying, Surfactant
Low-hazard ingredient.Read moreShow less
EWG 1 EmulsifyingSurfactant
PARFUM
Fragrance, Perfuming
Limited public safety data.Read moreShow less
EWG N/A FragrancePerfuming
Chamomilla Recutita Flower Oil
Fragrance, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A FragranceSkin conditioning
Helianthus Annuus Seed Oil
Fragrance, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A FragranceSkin conditioningSkin conditioning emollient
MANGIFERA INDICA SEED BUTTER
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
PERSEA GRATISSIMA OIL
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Ricinus Communis Seed Oil
Fragrance, Perfuming
Limited public safety data.Read moreShow less
EWG N/A FragrancePerfumingSkin conditioning
Coco-glucoside
Cleansing, Foaming
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B CleansingFoamingSurfactant
Gelidiella Acerosa Extract
Skin protecting
Low-hazard ingredient.Read moreShow less
EWG 1 Skin protecting
Carrageenan
Other
Limited public safety data.Read moreShow less
EWG N/A
Chitosan
Film forming, Hair fixing
Low-hazard ingredient.Read moreShow less
EWG 1 Film formingHair fixing
Guar Hydroxypropyltrimonium Chloride
Antistatic agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antistatic agentHair conditioningViscosity increasing agentFilm formingSkin conditioningViscosity controlling
Cetearamidoethyldiethonium Succinoyl Hydrolyzed Pea Protein
Antistatic agent, Cleansing
Limited public safety data.Read moreShow less
EWG N/A Antistatic agentCleansingSurfactant
Hypnea Musciformis Extract
Skin protecting
Low-hazard ingredient.Read moreShow less
EWG 1 Skin protecting
+ 14 more — see the full ingredients list above
Algin
Binding agent, Fragrance
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Binding agentFragranceViscosity increasing agentBindingMaskingViscosity controlling Bad for Sensitive SkinBad for Oily 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
Panthenol
Antistatic agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antistatic agentHair conditioningSkin conditioning Good for Dry Skin
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben
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
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
Sorbitan Oleate
Fragrance, Emulsifying
Potentially comedogenic - can block poresRead moreShow less
EWG 1 CIR A FragranceEmulsifyingSurfactant Bad for Oily SkinFungal-acne trigger
Alpha-Isomethyl Ionone
Perfuming, Skin conditioning
Moderate-hazard ingredient.Read moreShow less
EWG 5 PerfumingSkin conditioning Allergens

How to use

How to use

  • 1 Morning & evening: Suitable for both AM and PM use.

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

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