Vitamin C12 Serum INCI List & Ingredients | La Roche-Posay

Allergen & irritant analysis

3 flagged

This serum from La Roche-Posay lists 30 ingredients. AllerNote's analysis flags 1 known contact allergen and 2 common irritants in the INCI list. That includes 1 EU-labelled fragrance allergen (parfum). No parabens, MI / MCI (isothiazolinones), formaldehyde-releasing preservatives, SLS / SLES sulfates were detected in the listed ingredients.

1 known allergen in this formula

2 known irritants

Parfum · fragrance · highKnown allergen (fragrance): Fragrance Mix I
Alcohol denat. · solventCan be drying and sensitizing, especially for sensitive skin, by stripping natural oils and disrupting the skin barrier.
Potassium hydroxide · pH adjusterHighly alkaline and corrosive in concentrated form; can cause burns and irritation if not properly diluted and neutralized. It is used in very small quantities to adjust pH.

Not detected: parabens, MI / MCI (isothiazolinones), formaldehyde-releasing preservatives, SLS / SLES sulfates. Contains: added fragrance.

Based on what's flagged, take extra care if you're among:

People with fragrance allergy or fragrance-sensitive skin

Generated from this product's ingredient list and AllerNote's allergen database — educational, not medical advice or a substitute for patch testing.

Benefits

HydratingAnti-agingScar healingBrighteningBarrier repairReduces large poresReduces irritationDark spotsAcne fightingGood for oily skinRedness reducingSkin texture

Key Ingredients

1
AntioxidantsShields skin from free radical damage.
2
Hyaluronic AcidHydrates by attracting and holding water.
3
BHAUnclogs pores and reduces excess oil.
4
Vitamin CBrightens, evens tone, and supports collagen.
5
Vitamin EProtects skin and soothes irritation.
6
PeptidesSupports skin hydration and improves firmness.
7
ExfoliatorsRemoves dead skin cells to smoothe texture.

Full Ingredient List

30

INCI (full list, INCI order): water, ascorbic acid, dimethicone, glycerin, alcohol denat., potassium hydroxide, polysilicone-11, silica, pentaerythrityl tetraethylhexanoate, peg-20 methyl glucose sesquistearate, sodium hyaluronate, adenosine, poloxamer 338, ammonium polyacryloyldimethyl taurate, hydrolyzed hyaluronic acid, caprylic/capric triglyceride, caprylyl glycol, citric acid, laureth-7, trisodium ethylenediamine disuccinate, bis-peg/ppg-16/16 peg/ppg-16/16 dimethicone, acetyl dipeptide-1 cetyl ester, xanthan gum, pentylene glycol, polyacrylamide, c13-14 isoparaffin, tocopherol, pentaerythrityl tetra-di-t-butyl hydroxyhydrocinnamate, salicylic acid, parfum

Tap any ingredient to see details

5alcohol denat.30parfum

Potential Concerns

May Worsen RosaceaCan trigger flare-ups in rosacea-prone skin.
May Worsen EczemaMay worsen itching or irritation for eczema.
May Worsen DrynessCan strip moisture and worsen dryness.
May Worsen Oily SkinMay increase shine or excess oil.
May Worsen IrritationMay cause stinging, redness, or sensitivity.

Frequently asked questions

Does Vitamin C12 Serum contain fragrance allergens?

Yes — analysing the INCI list, AllerNote found 1 of the EU-labelled fragrance allergens: parfum. If you're fragrance-sensitive or patch-test positive to a fragrance mix, treat Vitamin C12 Serum with caution and patch test before full use.

Is Vitamin C12 Serum paraben-free?

No parabens were detected in Vitamin C12 Serum's listed ingredients. Worth keeping in perspective: parabens are among the least common cosmetic allergens, so "paraben-free" matters far less for reactive skin than avoiding fragrance or the preservative MI/MCI.

Is Vitamin C12 Serum suitable for sensitive or allergy-prone skin?

It depends on your specific triggers. Vitamin C12 Serum contains 1 flagged allergen and 2 irritants (listed in the analysis above). If none are on your personal allergen list it may suit you, but patch test first — add your allergens to AllerNote to check Vitamin C12 Serum against your own profile.