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R+Co F-LAYER CONDITIONING SERUM
R+Co

R+Co F-LAYER CONDITIONING SERUM

헤어케어

Ingredients

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

Ingredient overview

56ingredients found
50 · 89.3%ingredients grouped by use
10types of use
Hydration13
Skin conditioning25
Skin softening10
Moisture retention5
Skin comfort2
Antioxidants3
UV filters1
Texture · feel16
Preservation · stability8
Fragrance13

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

What the ingredients do

Draws in moisture

Glycerin · Persea Gratissima (Avocado) Oil · Butylene Glycol · Cocos Nucifera (Coconut) Fruit Juice · Sodium PCA · Sodium Lactate · Sodium Hyaluronate · PCA · Xylitol · Histidine

Pulls water from the air and the layers below into the outer skin layer.
See the 3 declared functions
Draws moisture into the skinSKIN CONDITIONING - HUMECTANT
Glycerin · Xylitol
Raises skin moistureMOISTURISING
Persea Gratissima (Avocado) Oil · PCA
Skin conditioning

Panthenol · Helianthus Annuus (Sunflower) Seed Oil · Cocos Nucifera (Coconut) Liquid Endosperm · Amaranthus Caudatus Seed Extract · Diisostearyl Malate · Persea Gratissima (Avocado) Oil · Butylene Glycol · Hydrolyzed Pea Protein · Cocos Nucifera (Coconut) Fruit Juice · Sodium PCA · Helianthus Annuus (Sunflower) Seed Extract · Rosmarinus Officinalis (Rosemary) Leaf Extract · Sodium Hyaluronate · Arginine · Aspartic Acid · Glycine · Alanine · Serine · Valine · Guar Hydroxypropyltrimonium Chloride · Isoleucine · Proline · Tocopherol · Histidine · Phenylalanine

CosIng's broadest category. On its own it does not say what the ingredient does.
See the 2 declared functions
Keeps moisture in

Helianthus Annuus (Sunflower) Seed Oil · Glycerin · Crambe Abyssinica Seed Oil · Guar Hydroxypropyltrimonium Chloride · Tocopherol

Forms a film on the surface against evaporation and outside irritants.
See the 3 declared functions
Forms a film that stops moisture lossSKIN CONDITIONING - OCCLUSIVE
Helianthus Annuus (Sunflower) Seed Oil · Crambe Abyssinica Seed Oil · Tocopherol
Protects skin from outside irritantsSKIN PROTECTING
Glycerin
Leaves a thin film where appliedFILM FORMING
Guar Hydroxypropyltrimonium Chloride
Used for soothing

Persea Gratissima (Avocado) Oil · Rosmarinus Officinalis (Rosemary) Leaf Extract

See the 2 declared functions
Eases skin discomfortSOOTHING
Persea Gratissima (Avocado) Oil
Slows oxidation

Rosmarinus Officinalis (Rosemary) Leaf Extract · Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate · Tocopherol

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

Helianthus Annuus (Sunflower) Seed Extract

See the 1 declared functions
Absorbs UV (including to protect the product)UV ABSORBER
Helianthus Annuus (Sunflower) Seed Extract
Acts on oil and pores

Xylitol

See the 1 declared functions
Acts on seborrheic flaking and dandruffANTI-SEBORRHEIC
Xylitol
Cleanses

Cetearyl Alcohol · Cetyl Alcohol · Diisostearyl Malate · Caprylyl/Capryl Glucoside · Caprylic Acid

See the 4 declared functions
Surfactant that lifts dirtSURFACTANT - CLEANSING
Cetearyl Alcohol · Cetyl Alcohol · Diisostearyl Malate · Caprylyl/Capryl Glucoside · Caprylic Acid
Boosts latherSURFACTANT - FOAM BOOSTING
Cetearyl Alcohol · Cetyl Alcohol
Washes away surface impuritiesCLEANSING
Caprylyl/Capryl Glucoside · Caprylic Acid
Creates foamFOAMING
Caprylyl/Capryl Glucoside
Mixes oil and water

Cetearyl Alcohol · Cetyl Alcohol · Cetrimonium Chloride · Crambe Abyssinica Seed Oil · Caprylic Acid

Emulsifiers and solubilisers. They build the formula.
See the 2 declared functions
Mixes and holds oil and water togetherSURFACTANT - EMULSIFYING
Cetearyl Alcohol · Cetyl Alcohol · Cetrimonium Chloride · Caprylic Acid
Keeps an emulsion from separatingEMULSION STABILISING
Cetearyl Alcohol · Cetyl Alcohol · Crambe Abyssinica Seed Oil
Texture and feel

Water (Aqua/Eau) · Cetearyl Alcohol · Cetyl Alcohol · Helianthus Annuus (Sunflower) Seed Oil · Glycerin · Butylene Glycol · Cocos Nucifera (Coconut) Fruit Juice · Helianthus Annuus (Sunflower) Seed Extract · Cyclodextrin · Benzyl Alcohol · Guar Hydroxypropyltrimonium Chloride · Limonene

Viscosity, solvents and spreadability: how the product feels on the skin.
See the 4 declared functions
Colour and shine

Cetearyl Alcohol · Cetyl Alcohol

See the 1 declared functions
Makes a clear formula opaqueOPACIFYING
Cetearyl Alcohol · Cetyl Alcohol
Keeps the product stable

Citric Acid · Glycerin · Sodium Lactate · Cyclodextrin · Sodium Benzoate · Glycine · Benzyl Salicylate

Protects the formula from pH drift, metal ions and light. Not a preservative.
See the 5 declared functions
Keeps pH steadyBUFFERING
Citric Acid · Sodium Lactate · Glycine
Binds metal ions to prevent spoilageCHELATING
Citric Acid · Cyclodextrin
Makes alcohol undrinkableDENATURANT
Glycerin
Prevents corrosion of packaging and equipmentANTICORROSIVE
Sodium Benzoate
Protects colour and scent from lightLIGHT STABILIZER
Benzyl Salicylate
Hair use

Threonine

See the 3 declared functions
Curls or straightens hairHAIR WAVING OR STRAIGHTENING
Threonine
Reduces staticANTISTATIC
Threonine
Softens hairHAIR CONDITIONING
Threonine
See 56 other ingredients · 56 total
  1. Water (Aqua/Eau)
  2. Cetearyl Alcohol
  3. Cetyl Alcohol
  4. Cetrimonium Chloride
  5. Phenoxyethanol
  6. Fragrance (Parfum)
  7. Behentrimonium Chloride
  8. Steapyrium Chloride
  9. Panthenol
  10. Helianthus Annuus (Sunflower) Seed Oil
  11. Potassium Sorbate
  12. Cocos Nucifera (Coconut) Liquid Endosperm
  13. Amaranthus Caudatus Seed Extract
  14. Citric Acid
  15. Diisostearyl Malate
  16. Ethyl Linoleate
  17. Ethyl Oleate
  18. Glycerin
  19. Crambe Abyssinica Seed Oil
  20. Persea Gratissima (Avocado) Oil
  21. Butylene Glycol
  22. Hydrolyzed Pea Protein
  23. Cocos Nucifera (Coconut) Fruit Juice
  24. Sodium PCA
  25. Helianthus Annuus (Sunflower) Seed Extract
  26. Rosmarinus Officinalis (Rosemary) Leaf Extract
  27. Sodium Lactate
  28. Sodium Hyaluronate
  29. Arginine
  30. Cyclodextrin
  31. Aspartic Acid
  32. Sodium Benzoate
  33. PCA
  34. Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate
  35. Glycine
  36. Alanine
  37. Serine
  38. Benzyl Alcohol
  39. Caprylyl/Capryl Glucoside
  40. Valine
  41. Caprylic Acid
  42. Guar Hydroxypropyltrimonium Chloride
  43. Xylitol
  44. Isoleucine
  45. Proline
  46. Threonine
  47. Tocopherol
  48. Histidine
  49. Phenylalanine
  50. Limonene
  51. Benzyl Salicylate
  52. Linalool
  53. Citral Sustainability Sugar Cane Tubes 100% recyclable
  54. absorbs CO2 from atmosphere
  55. protects non-renewable sources
  56. 50% lower carbon footprint vs. petrol based tubes

Declared fragrance allergens

The label marks these as fragrance allergens that must be declared. They are not impurities, and most people do not react to them.

Benzyl Alcohol · Limonene · Benzyl Salicylate · Linalool

1IngredientsOverseas official store (US) · Observed 2026-09-23