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Necessaire The Body Vitamin C | 2.5% Vitamin C

Necessaire The Body Vitamin C | 2.5% Vitamin C

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Ingredients

Full ingredient list as published on the official product page, in descending order of content.

Ingredient overview

27ingredients found
21 · 77.8%ingredients grouped by use
8types of use
Hydration3
Skin conditioning10
Skin softening4
Moisture retention2
Antioxidants4
Texture · feel8
Preservation · stability1
Fragrance1

Counts show formula structure, not concentration, clinical efficacy, or a safety score.

What the ingredients do

Draws in moisture

Glycerin · Glucose

Pulls water from the air and the layers below into the outer skin layer.
See the 2 declared functions
Draws in and holds moistureHUMECTANT
Glycerin · Glucose
Draws moisture into the skinSKIN CONDITIONING - HUMECTANT
Glycerin
Softens the skin

Dicaprylyl Carbonate · Niacinamide · Glyceryl Stearate · Stearyl Alcohol

Fills the gaps between skin cells so the surface feels smooth.
See the 3 declared functions
Makes skin soft and smoothSKIN CONDITIONING - EMOLLIENT
Dicaprylyl Carbonate · Glyceryl Stearate · Stearyl Alcohol
Reduces surface roughnessSMOOTHING
Niacinamide
Replaces oils washed awayREFATTING
Stearyl Alcohol
Skin conditioning

Dicaprylyl Carbonate · Tetrahexyldecyl Ascorbate · 1,2-Hexanediol · Tranexamic Acid · Tocopherol · Bromelain · Papain · Superoxide Dismutase · Potassium Azeloyl Diglycinate · Pentylene Glycol

CosIng's broadest category. On its own it does not say what the ingredient does.
See the 2 declared functions
Skin conditioning not covered aboveSKIN CONDITIONING - MISCELLANEOUS
Tocopherol
Keeps moisture in

Glycerin · Tocopherol

Forms a film on the surface against evaporation and outside irritants.
See the 2 declared functions
Protects skin from outside irritantsSKIN PROTECTING
Glycerin
Forms a film that stops moisture lossSKIN CONDITIONING - OCCLUSIVE
Tocopherol
Slows oxidation

Tetrahexyldecyl Ascorbate · Tocopherol · Superoxide Dismutase · Hydroxyacetophenone

In CosIng this category also covers keeping the product itself from spoiling.
See the 1 declared functions
Exfoliates

Illite · Bromelain

See the 2 declared functions
Scrubs physicallyABRASIVE
Illite
Softens and loosens the outer layerKERATOLYTIC
Bromelain
Acts on oil and pores

Tranexamic Acid

See the 1 declared functions
Gives a tightening feelASTRINGENT
Tranexamic Acid
Cleanses

Stearyl Alcohol · Decyl Glucoside

See the 3 declared functions
Surfactant that lifts dirtSURFACTANT - CLEANSING
Stearyl Alcohol · Decyl Glucoside
Boosts latherSURFACTANT - FOAM BOOSTING
Stearyl Alcohol
Washes away surface impuritiesCLEANSING
Decyl Glucoside
Mixes oil and water

Glyceryl Stearate · Stearyl Alcohol · Polyglyceryl-2 Stearate · Decyl Glucoside

Emulsifiers and solubilisers. They build the formula.
See the 2 declared functions
Mixes and holds oil and water togetherSURFACTANT - EMULSIFYING
Glyceryl Stearate · Stearyl Alcohol · Polyglyceryl-2 Stearate
Keeps an emulsion from separatingEMULSION STABILISING
Stearyl Alcohol · Decyl Glucoside
Texture and feel

Propanediol · 1,2-Hexanediol · Glycerin · Illite · Stearyl Alcohol · Pentylene Glycol · C15-23 Alkane

Viscosity, solvents and spreadability: how the product feels on the skin.
See the 5 declared functions
Base that dissolves other ingredientsSOLVENT
Propanediol · 1,2-Hexanediol · Glycerin · Pentylene Glycol · C15-23 Alkane
Adjusts thicknessVISCOSITY CONTROLLING
Propanediol · Glycerin · Stearyl Alcohol
Absorbs water or oilABSORBENT
Illite
Stops powders from cakingANTICAKING
Illite
Adds bulkBULKING
Illite
Colour and shine

Stearyl Alcohol

See the 1 declared functions
Makes a clear formula opaqueOPACIFYING
Stearyl Alcohol
Keeps microbes from growing

Phenoxyethanol

See the 2 declared functions
Stops microbes growing in the productPRESERVATIVE
Phenoxyethanol
Inhibits microbial growthANTIMICROBIAL
Phenoxyethanol
Keeps the product stable

Glycerin · Superoxide Dismutase · Tromethamine · Citric Acid

Protects the formula from pH drift, metal ions and light. Not a preservative.
See the 4 declared functions
Keeps pH steadyBUFFERING
Tromethamine · Citric Acid
Makes alcohol undrinkableDENATURANT
Glycerin
Reduces other ingredientsREDUCING
Superoxide Dismutase
Binds metal ions to prevent spoilageCHELATING
Citric Acid
Fragrance-related

Glycerin

See the 1 declared functions
Gives the product a scentPERFUMING
Glycerin
See 27 other ingredients · 27 total
1IngredientsOverseas official store (US) · Observed 2026-09-24