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kolagra Vitamin C Serum

kolagra Kolagra Vitamin C Serum lists 18 ingredients on its label, 16 decoded. See what each one does, its irritancy and comedogenic tendency, and its status in national inventories.

Ingredients overview

Label order. Colour is our internal rating: green routine, yellow restricted or worth a look, red prohibited or high-risk, grey not yet decoded.

Ingredients are listed in label order; the order reflects the label only, not exact concentrations.

  1. Water
  2. Glycerin
  3. Sorbitol
  4. Lecithin
  5. Tocopheryl Acetate
  6. Hyaluronic Acid
  7. Collagen
  8. Matrine
  9. Ferulic Acid
  10. Retinyl Palmitate
  11. Kojic Acid
  12. Citrus Unshiu Peel Extract
  13. BHT
  14. Ethylhexylglycerin
  15. Monopropylene Glycol
  16. Xanthan Gum
  17. Phenoxyethanol
  18. Diazolidinyl Urea

Highlights

Free of alcoholFree of fragranceFree of parabensFree of siliconesFree of sulfatesFree of mineral oilFree of essential oilsContains animal-derivedContains formaldehyde releasers

Key ingredients

ANTIPLAQUE
Water
DENATURANT
Glycerin
HUMECTANT
Sorbitol
ANTISTATIC
LecithinHyaluronic Acid
ANTIOXIDANT
Tocopheryl Acetate
HAIR CONDITIONING
Collagen
ANTIMICROBIAL
Ferulic Acid

Other ingredients

MatrineRetinyl PalmitateKojic AcidCitrus Unshiu Peel ExtractBHTEthylhexylglycerinMonopropylene GlycolXanthan GumPhenoxyethanolDiazolidinyl Urea

Skim through

IngredientWhat it doesIrr. · Com.Rating
WaterANTIPLAQUE, SKIN CONDITIONING, SOLVENT0 · 0Green
GlycerinDENATURANT, HAIR CONDITIONING, HUMECTANT, ORAL CARE, SKIN PROTECTING, SOLVENT, VISCOSITY CONTROLLING, PERFUMING, FRAGRANCE, SKIN CONDITIONING - HUMECTANT0 · 0Green
SorbitolHUMECTANT, FRAGRANCE, SKIN CONDITIONING, PERFUMING0 · 0Green
LecithinANTISTATIC, SKIN CONDITIONING - EMOLLIENT, SURFACTANT - EMULSIFYING, SKIN CONDITIONING0 · 0Green
Tocopheryl AcetateANTIOXIDANT, SKIN CONDITIONING0 · 0Green
Hyaluronic AcidANTISTATIC, HUMECTANT, MOISTURISING, SKIN CONDITIONING0 · 0Green
CollagenHAIR CONDITIONING, MOISTURISING, SKIN CONDITIONING0 · 0Green
MatrineNot decoded yet——
Ferulic AcidANTIMICROBIAL, ANTIOXIDANT0 · –Green
Retinyl PalmitateSKIN CONDITIONING - MISCELLANEOUS · 限制 III/3761 · 2Green
Kojic AcidANTIOXIDANT, BLEACHING · 限制 III / 3752 · 0Yellow
Citrus Unshiu Peel ExtractFRAGRANCE1 · –Green
BHTANTIOXIDANT, FRAGRANCE · 限制 III / 3250 · 0Yellow
EthylhexylglycerinDEODORANT, SKIN CONDITIONING0 · 0Green
Monopropylene GlycolNot decoded yet——
Xanthan GumBINDING, SURFACTANT - EMULSIFYING, EMULSION STABILISING, GEL FORMING, SKIN CONDITIONING, SURFACTANT - CLEANSING, VISCOSITY CONTROLLING0 · 0Green
PhenoxyethanolANTIMICROBIAL, PRESERVATIVE · 限制 V/291 · 0Yellow
Diazolidinyl UreaPRESERVATIVE · 限制 V/461 · –Yellow

Ingredients explained

Water
Primary solvent and base; requires preservative system to prevent microbial growth
Glycerin
Workhorse humectant at 3–10%; tacky at high levels, pair with occlusives
Sorbitol
Polyol humectant with strong hygroscopy; tacky at high levels, pair with occlusives; also a solvent or adjuster.
Lecithin
Phospholipid emulsifier at 1-5%; biocompatible, moisturizing/antioxidant, prone to oxidation (add TBHQ), mild for sensitive skin.
Tocopheryl Acetate
Vitamin E derivative antioxidant at 0.1–1%; more stable than tocopherol, store protected from light
Hyaluronic Acid
High-water-binding humectant at 0.1-1%; high-MW for surface film, low-MW for dermal potential, check cationic compatibility.
Collagen
Hydrating conditioning agent; soluble protein used in hair care and toners; forms occlusive layer.
Matrine
Not decoded yet
Ferulic Acid
Antioxidant, often combined with vitamin C and E; 0.5-2%, photolabile
Retinyl Palmitate
Vitamin A ester for skin conditioning; light-sensitive, requires protection, avoid in pregnancy.
Kojic Acid
Tyrosinase inhibitor for whitening; EU limit 1% in water, unstable and requires light protection, potential irritation.
Citrus Unshiu Peel Extract
Citrus peel extract providing fragrance
BHT
Lipophilic antioxidant at 0.01-0.05%; ineffective with acidic systems, label-sensitive, check regulatory limits as preservative alternative.
Ethylhexylglycerin
Mild conditioner and preservative booster at 0.5–1%; reduces preservative load, smooth feel
Monopropylene Glycol
Not decoded yet
Xanthan Gum
Natural thickener at 0.1–1%; provides gel texture, pH-stable, requires full hydration
Phenoxyethanol
Broad-spectrum preservative at ≤1%; may irritate sensitive eye areas, often paired with ethylhexylglycerin
Diazolidinyl Urea
Formaldehyde-releasing preservative; EU cap at 0.2%; avoid for formaldehyde-sensitive users

Source: full ingredient list published on the product label, collected 2026-09-19. Ratings are our internal reading, not a regulatory conclusion. · Product page

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