La Base Protective and Smoothing Nail Treatment

Chanel

La Base Protective and Smoothing Nail Treatment

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About this product

The Chanel La Base Protective and Smoothing Nail Treatment is a misc. Our analysis of its 24 ingredients (20 low-risk) rates it Excellent (94/100). 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
Misc
Ingredients
24
Low-risk
20
Fragrance
Fragrance-free
Origin
France
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 3/7
Good for dry skin
Algae Extract Mannitol Argania Spinosa Kernel Oil
Caution for dry skin
Solum Diatomeae Nitrocellulose Stearalkonium Bentonite Acrylates Copolymer Zinc Sulfate Silica n-Butyl Alcohol
Oily/Acne-Prone Skin 1/0
Good for oily/acne-prone skin
Zinc Sulfate
Sensitive Skin 1/10
Good for sensitive skin
Tocopheryl Acetate
Caution for sensitive skin
Algae Extract Diacetone Alcohol Mannitol Butyl Acetate Acetyl Tributyl Citrate Ethyl Acetate Phosphoric Acid Hexanal Isopropyl Alcohol n-Butyl Alcohol

Ingredients list

24 total
Lower hazard (1) Higher hazard (4)
All24 Fragrance8 Film Forming6 Skin Conditioning6 Solvent5 Masking5 Perfuming4 Plasticizer4 Humectant3
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
A
Butyl Acetate
(Fragrance, Solvent, Masking)
1
Ethyl Acetate
(Fragrance, Solvent, Perfuming)
1
Nitrocellulose
(Film Forming, Suspending Agent Nonsurfactant)
1
Adipic Acid/Neopentyl Glycol/Trimellitic Anhydride Copolymer
(Film Forming)
1
Acetyl Tributyl Citrate
(Fragrance, Plasticizer, Film Forming, Masking, Perfuming)
2
A
Isopropyl Alcohol
(Antifoaming Agent, Fragrance, Solvent, Viscosity Decreasing Agent, Perfuming, Viscosity Controlling)
Bad for Sensitive Skin
Bad for Sensitive Skin
1
Stearalkonium Bentonite
(Suspending Agent Nonsurfactant, Gel Forming, Viscosity Controlling)
1
A
Argania Spinosa Kernel Oil
(Emollient, Skin Conditioning)
Fungal Acne
Fungal Acne Trigger
2
B
Acrylates Copolymer
(Adhesive, Artificial Nail Builder, Binding Agent, Film Forming, Hair Fixing, Suspending Agent Nonsurfactant, Antistatic Agent, Binding)
1
2
A
Silica
(Abrasive, Absorbent, Anticaking Agent, Bulking Agent, Opacifying, Viscosity Controlling)
3
4
n-Butyl Alcohol
(Denaturant, Perfuming, Solvent)
4
A
Benzophenone-1
(Uv Absorber)
1
Diacetone Alcohol
(Fragrance, Solvent, Masking)
1
Hexanal
(Flavoring Agent, Fragrance, Masking)
3
Tocopheryl Acetate
(Antioxidant, Skin Conditioning)
Bad for Oily Skin
Bad for Oily Skin
1
Trimethylpentanediyl Dibenzoate
(Plasticizer)
1
Algae Extract
(Fragrance, Humectant, Oral Care Agent, Skin Conditioning, Emollient)
1
Mannitol
(Binding Agent, Flavoring Agent, Humectant, Binding, Masking, Moisturising, Skin Conditioning)
1
B
Phosphoric Acid
(Fragrance, Ph Adjuster, Buffering Agent)
1
Solum Diatomeae
(Abrasive, Absorbent, Anticaking Agent, Opacifying)
4
Zinc Sulfate
(Cosmetic Astringent, Cosmetic Biocide, Oral Care Agent, Antimicrobial, Antiplaque)
3
CI 19140
(Colorant, Cosmetic Colorant)
1
2
CI 77491
(Colorant, Cosmetic Colorant)
CI 77891
(Colorant)

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

Exfoliators
Removes dead skin cells to smoothe texture.
Vitamin E
Protects skin and soothes irritation.
Antioxidants
Shields skin from free radical damage.

Benefits

Good For Oily SkinBalances oil and helps reduce shine.
HydratingBoosts hydration and relieves dry, tight skin.
BrighteningRestores radiance to dull, tired skin.
Reduces IrritationEases discomfort and supports skin resilience.
Reduces Large PoresMinimizes the look of enlarged pores.
Dark SpotsFades dark spots for even skin tone.
Barrier RepairStrengthen and restore your skin's natural barrier.
Show all 7 benefits

Concerns

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

Ingredients explained

Butyl Acetate
Fragrance, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSolventMasking
Ethyl Acetate
Fragrance, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 FragranceSolventPerfuming
Nitrocellulose
Film forming, Suspending agent - nonsurfactant
Low-hazard ingredient.Read moreShow less
EWG 1 Film formingSuspending agent - nonsurfactant
Adipic Acid/Neopentyl Glycol/Trimellitic Anhydride Copolymer
Film forming
Low-hazard ingredient.Read moreShow less
EWG 1 Film forming
Acetyl Tributyl Citrate
Fragrance, Plasticizer
Low-hazard ingredient.Read moreShow less
EWG 1 FragrancePlasticizerFilm formingMaskingPerfuming
Stearalkonium Bentonite
Suspending agent - nonsurfactant, Gel forming
Low-hazard ingredient.Read moreShow less
EWG 1 Suspending agent - nonsurfactantGel formingViscosity controlling
Acrylates Copolymer
Adhesive, Artificial nail builder
Low-hazard ingredient.Read moreShow less
EWG 2 CIR B AdhesiveArtificial nail builderBinding agentFilm formingHair fixingSuspending agent -nonsurfactantAntistatic agentBinding
Silica
Abrasive, Absorbent
Low-hazard ingredient.Read moreShow less
EWG 1–2 CIR A AbrasiveAbsorbentAnticaking agentBulking agentOpacifyingViscosity controlling
n-Butyl Alcohol
Denaturant, Perfuming
Low-to-moderate hazard.Read moreShow less
EWG 3–4 DenaturantPerfumingSolvent
Benzophenone-1
Uv absorber
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A Uv absorber
Diacetone Alcohol
Fragrance, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 FragranceSolventMasking
Hexanal
Flavoring agent, Fragrance
Low-hazard ingredient.Read moreShow less
EWG 1 Flavoring agentFragranceMasking
Trimethylpentanediyl Dibenzoate
Plasticizer
Low-hazard ingredient.Read moreShow less
EWG 1 Plasticizer
Algae Extract
Fragrance, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 FragranceHumectantOral care agentSkin conditioningEmollient
Mannitol
Binding agent, Flavoring agent
Low-hazard ingredient.Read moreShow less
EWG 1 Binding agentFlavoring agentHumectantBindingMaskingMoisturisingSkin conditioning
+ 6 more — see the full ingredients list above
Isopropyl Alcohol
Antifoaming agent, Fragrance
Low-hazard ingredient.Read moreShow less
EWG 2 CIR A Antifoaming agentFragranceSolventViscosity decreasing agentPerfumingViscosity controlling Bad for Sensitive Skin
Argania Spinosa Kernel Oil
Emollient, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientSkin conditioning Fungal-acne trigger
Tocopheryl Acetate
Antioxidant, Skin conditioning
Potentially comedogenic - can block poresRead moreShow less
EWG 3 AntioxidantSkin conditioning Bad for Oily 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.

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