rationale #6 Eye Cream

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. Citrus Aurantium Amara Flower Water
2. Dicaprylyl Carbonate
3. Caprylic/Capric Triglyceride
4. Cyclopentasiloxane
5. Glycerin
6. Glyceryl Stearate
7. Methylpropanediol
8. Aqua
9. PEG-100 Stearate
10. Cetyl Alcohol
11. Ethylhexylglycerin
12. Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
13. Dimethicone
14. Dimethicone Crosspolymer
15. Caprylyl Glycol
16. Mica
17. Laureth-23
18. Polyglyceryl-3 Beeswax
19. Sodium Benzoate
20. Gluconolactone
21. Potassium Cetyl Phosphate
22. Citrus Aurantium Dulcis Peel Oil
23. Phenylpropanol
24. Santalum Spicatum Seed Oil
25. Glyceryl Polymethacrylate
26. Citrus Limon Fruit Oil
27. Tin Oxide
28. Polysorbate 60
29. Sorbitan Isostearate
30. Disodium EDTA
31. Polysorbate 20
32. Retinol
33. Phenoxyethanol
34. Cyclotetrasiloxane
35. Laureth-4
36. Butylene Glycol
37. Potassium Sorbate
38. Propylene Glycol
39. Backhousia Citriodora Leaf Oil
40. Citrus Aurantium Bergamia Peel Oil
41. Sodium Hyaluronate
42. Adansonia Digitata Pulp Extract
43. Ceteareth-25
44. Magnesium Aspartate
45. Zinc Gluconate
46. BHT
47. Brachychiton Acerifolius Flower Extract
48. Sodium Lactate
49. BHA
50. Lecithin
51. Xanthan Gum
52. Behenic Acid
53. Calcium Gluconate
54. Ceramide NP
55. Cholesterol
56. Copper Gluconate
57. Arabidopsis Thaliana Extract
58. Micrococcus Lysate
59. Ceramide NS
60. Glycine
61. Serine
62. Glutamic Acid
63. Ceramide AP
64. Ceramide EOP
65. Ceramide EOS
66. Banksia Serrata Flower Extract
67. Citrus Australasica Fruit Extract
68. Davidsonia Pruriens Fruit Extract
69. Hibiscus Sabdariffa Flower Extract
70. Melaleuca Alternifolia Leaf Extract
71. Santalum Acuminatum Fruit Extract
72. Tasmannia Lanceolata Fruit Extract
73. Telopea Speciosissima Flower/Leaf Extract
74. Terminalia Ferdinandiana Fruit Extract
75. Acetyl Tetrapeptide-5
76. Aspartic Acid
77. Leucine
78. Caprooyl Phytosphingosine
79. Caprooyl Sphingosine
80. Alanine
81. Lysine
82. Arginine
83. Tyrosine
84. Phenylalanine
85. Proline
86. Threonine
87. Valine
88. Isoleucine
89. Citric Acid
90. Histidine
91. Palmitoyl Tripeptide-1
92. Limonene
93. Linalool
94. Ci 77891

Highlights

Free of parabensFree of sulfatesFree of mineral oilFree of formaldehyde releasersContains EU-26 allergensContains fragranceContains siliconesContains alcoholContains PEGContains animal-derivedContains essential oils

Key ingredients

FRAGRANCE

Citrus Aurantium Amara Flower WaterCaprylic/Capric Triglyceride

SKIN CONDITIONING - EMOLLIENT

Dicaprylyl CarbonateCyclopentasiloxaneGlyceryl Stearate

DENATURANT

Glycerin

SOLVENT

MethylpropanediolAqua

Other ingredients

PEG-100 StearateCetyl AlcoholEthylhexylglycerinHydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate CopolymerDimethiconeDimethicone CrosspolymerCaprylyl GlycolMicaLaureth-23Polyglyceryl-3 BeeswaxSodium BenzoateGluconolactonePotassium Cetyl PhosphateCitrus Aurantium Dulcis Peel OilPhenylpropanolSantalum Spicatum Seed OilGlyceryl PolymethacrylateCitrus Limon Fruit OilTin OxidePolysorbate 60Sorbitan IsostearateDisodium EDTAPolysorbate 20RetinolPhenoxyethanolCyclotetrasiloxaneLaureth-4Butylene GlycolPotassium SorbatePropylene GlycolBackhousia Citriodora Leaf OilCitrus Aurantium Bergamia Peel OilSodium HyaluronateAdansonia Digitata Pulp ExtractCeteareth-25Magnesium AspartateZinc GluconateBHTBrachychiton Acerifolius Flower ExtractSodium LactateBHALecithinXanthan GumBehenic AcidCalcium GluconateCeramide NPCholesterolCopper GluconateArabidopsis Thaliana ExtractMicrococcus LysateCeramide NSGlycineSerineGlutamic AcidCeramide APCeramide EOPCeramide EOSBanksia Serrata Flower ExtractCitrus Australasica Fruit ExtractDavidsonia Pruriens Fruit ExtractHibiscus Sabdariffa Flower ExtractMelaleuca Alternifolia Leaf ExtractSantalum Acuminatum Fruit ExtractTasmannia Lanceolata Fruit ExtractTelopea Speciosissima Flower/Leaf ExtractTerminalia Ferdinandiana Fruit ExtractAcetyl Tetrapeptide-5Aspartic AcidLeucineCaprooyl PhytosphingosineCaprooyl SphingosineAlanineLysineArginineTyrosinePhenylalanineProlineThreonineValineIsoleucineCitric AcidHistidinePalmitoyl Tripeptide-1LimoneneLinaloolCi 77891

Skim through

Ingredients explained

Citrus Aurantium Amara Flower Water

Bitter orange flower water offering floral fragrance and mild conditioning.

Dicaprylyl Carbonate

Light emollient solvent at 5–15%; mineral oil-free, refreshing feel, low sensitization.

Caprylic/Capric Triglyceride

Light occlusive and solvent at 1–10%; non-greasy feel, suitable for oily and combination skin

Cyclopentasiloxane

Cyclopentasiloxane for emollient/solvent; volatile silicone, smooth feel, check VOC regulations.

Glycerin

Workhorse humectant at 3–10%; tacky at high levels, pair with occlusives

Glyceryl Stearate

Emulsifier at 1-3%; may require acid to prevent saponification

Methylpropanediol

Diol solvent and extraction carrier; enhances solubility of actives, low irritation profile.

Aqua

Solvent, main base; microbial control is critical

PEG-100 Stearate

Non-ionic emulsifier, requires ionics for stability; check PEG for formaldehyde.

Cetyl Alcohol

Cetyl alcohol for emulsification/thickening; high concentration >10% may irritate.

Ethylhexylglycerin

Mild conditioner and preservative booster at 0.5–1%; reduces preservative load, smooth feel

Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer

High-molecular-weight thickener and emulsion stabilizer; requires electrolytes or acid adjustment near isoelectric point for optimal performance.

Dimethicone

Silicone occlusive at 1–5%; provides smooth feel, non-penetrating, suitable for sensitive skin

Dimethicone Crosspolymer

Crosslinked silicone polymer providing silkiness and viscosity control; for hair and skin; inert but hard to biodegrade.

Caprylyl Glycol

Polyol conditioner and preservative booster at 0.5–3%; emollient feel, often paired with 1,2-hexanediol

Mica

Mineral colorant for pearlescence; heavy metal screening required

Laureth-23

Not decoded yet

Polyglyceryl-3 Beeswax

Beeswax-derived emulsifier, mild and biodegradable; offers emollience for sensitive formulations

Sodium Benzoate

Preservative booster, effective below pH 4.5; combinable with sorbates

Gluconolactone

Multifunctional agent for chelation and permeation; acidic, may irritate at high levels, buffer recommended.

Potassium Cetyl Phosphate

Cetyl phosphate potassium, O/W emulsifier; pH-sensitive, often requires buffering.

Citrus Aurantium Dulcis Peel Oil

Sweet orange peel essential oil, citrus aroma; photosensitive, be careful in daytime; irritating at high levels.

Phenylpropanol

Phenylpropanol for fragrance and solvent; allergen risk, requires assessment

Santalum Spicatum Seed Oil

Santalum spicatum seed oil; 0.5–2% oil phase; aromatic emollient, unsaturated fatty acids, store dark, low allergenicity

Glyceryl Polymethacrylate

Acrylate polymer for high viscosity, film formation, and conditioning feel. Synthetic polymer, low irritancy.

Citrus Limon Fruit Oil

Citrus limon essential oil; aromatic and astringent, phototoxic risk, limit use in day creams per I/II 358 limits

Tin Oxide

Inorganic mineral pigment providing opacity and suspension; requires skin safety assessment, typically used in sunscreens or powder colorants.

Polysorbate 60

Non-ionic emulsifier and solubilizer for O/W or W/O stability; may cause mild stinging on sensitive skin, typically 1-5%.

Sorbitan Isostearate

Non-ionic emulsifier (low HLB); typically used in blends, low comedogenicity, soft skin feel.

Disodium EDTA

Chelating agent at 0.05–0.5%; sequesters metal ions for stability, boosts preservative efficacy

Polysorbate 20

Non-ionic emulsifier and cleansing surfactant; contains PEG, control microbial load.

Retinol

Highly active and unstable, needs robust antioxidant encapsulation; 0.1-1.0%, pregnancy contraindicated

Phenoxyethanol

Broad-spectrum preservative at ≤1%; may irritate sensitive eye areas, often paired with ethylhexylglycerin

Cyclotetrasiloxane

Volatile silicone providing slip; D4 is restricted in EU rinse-off products and requires labeling for leave-on use.

Laureth-4

Not decoded yet

Butylene Glycol

Polyol humectant and solvent at 1–5%; aids solubilization, light feel

Potassium Sorbate

Preservative effective below pH 6; combinable with sodium benzoate

Propylene Glycol

Polyol humectant at 3-10%; hygroscopic, slight tackiness, mild irritation at high conc., verify preservative efficacy, no allergen.

Backhousia Citriodora Leaf Oil

Not decoded yet

Citrus Aurantium Bergamia Peel Oil

Bergamot peel oil with EU limits; furanocoumarin content causes photosensitivity, avoid in AM or stabilize

Sodium Hyaluronate

Potent humectant at 0.1–2%; different MW for penetration depth, high levels may draw moisture

Adansonia Digitata Pulp Extract

Baobab pulp extract for humectant and softening; plant source, allergen potential

Ceteareth-25

Not decoded yet

Magnesium Aspartate

Magnesium aspartate; water-soluble chelant/conditioner. Use at 1-2%; check chelation efficiency.

Zinc Gluconate

Chelated zinc salt with antimicrobial and deodorizing effects; used in antiperspirants and oral care; has EU concentration limit.

BHT

Lipophilic antioxidant at 0.01-0.05%; ineffective with acidic systems, label-sensitive, check regulatory limits as preservative alternative.

Brachychiton Acerifolius Flower Extract

Not decoded yet

Sodium Lactate

Sodium lactate for moisturizing and exfoliation; pH buffering agent

BHA

Butylated hydroxyanisole (BHA); oil-phase antioxidant. Use <0.05%. Controversial at high levels.

Lecithin

Phospholipid emulsifier at 1-5%; biocompatible, moisturizing/antioxidant, prone to oxidation (add TBHQ), mild for sensitive skin.

Xanthan Gum

Natural thickener at 0.1–1%; provides gel texture, pH-stable, requires full hydration

Behenic Acid

Behenic acid, emulsifier and thickener; high comedogenic rating, limit use on acne-prone skin.

Calcium Gluconate

Chelator and conditioner, improves stability; water-soluble calcium source

Ceramide NP

Ceramide N3 for barrier repair; lipophilic, needs oil phase or emulsion, avoid high standalone use.

Cholesterol

Cholesterol; barrier repair lipid mimicking stratum corneum; often blended with ceramides, plant or fermentation source.

Copper Gluconate

Copper gluconate; trace antioxidant/repair agent. Use <0.05%; high levels cause color change/irritation.

Arabidopsis Thaliana Extract

Arabidopsis thaliana extract, typically used as a plant-derived antioxidant or actives; research-grade ingredient; confirm stability in final formulation

Micrococcus Lysate

Micrococcus ferment lysate with peptides/metabolites; low concentration skin conditioner, ensure sterile process.

Ceramide NS

Ceramide NS for barrier repair; gentle and suitable for sensitive or dry skin.

Glycine

Humectant amino acid, 1–3%; small molecule, low irritation.

Serine

Humectant amino acid, 1–3%; high water solubility, compatible with sensitive skin.

Glutamic Acid

Glutamic acid, non-essential amino acid humectant; high levels can be astringent, buffer needed.

Ceramide AP

Ceramide analog for barrier repair; best results when combined with cholesterol and free fatty acids

Ceramide EOP

Ceramide EOP, repairs skin barrier lipids; often blended with cholesterol and fatty acids.

Ceramide EOS

Barrier-repairing ceramide, 0.1–1%; optimal with hydrated lipids, suitable for dry skin

Banksia Serrata Flower Extract

Not decoded yet

Citrus Australasica Fruit Extract

Not decoded yet

Davidsonia Pruriens Fruit Extract

Not decoded yet

Hibiscus Sabdariffa Flower Extract

Roselle flower extract rich in anthocyanins, used for skin conditioning and antioxidant support

Melaleuca Alternifolia Leaf Extract

Tea tree leaf extract for skin conditioning and perfuming; allergen risk requires dilution.

Santalum Acuminatum Fruit Extract

Santalum Album fruit extract, antioxidant-rich; typically for hair care, check allergen labeling

Tasmannia Lanceolata Fruit Extract

Not decoded yet

Telopea Speciosissima Flower/Leaf Extract

Not decoded yet

Terminalia Ferdinandiana Fruit Extract

Terminalia ferdinandiana extract; traditional lightening agent; antioxidant for uneven skin tone.

Acetyl Tetrapeptide-5

Acetyl tetrapeptide-5, a moisturizing peptide that enhances skin hydration via hydrolysis, typically mild, used to improve dryness

Aspartic Acid

Amino acid humectant and conditioner, common in rinse-off products; low levels mild, high levels may shift pH

Leucine

Amino acid for antistatic and skin/hair conditioning; used at low concentrations.

Caprooyl Phytosphingosine

Plant-derived biomimetic lipid for hair and skin conditioning.

Caprooyl Sphingosine

Biomimetic lipid for hair and skin conditioning; often formulated with other lipids.

Alanine

Amino acid for antistatic and conditioning; low irritation, slight salty taste at high levels

Lysine

Amino acid conditioner for anti-static hair care; low irritation at typical cosmetic concentrations.

Arginine

Arginine for moisturizing/conditioning; amino acid, high biocompatibility, often used in blends.

Tyrosine

Amino acid involved in melanin synthesis; used for hair conditioning.

Phenylalanine

Amino acid for hair and skin conditioning; usually part of a blend, no significant standalone efficacy data

Proline

Proline, amino-acid humectant; boosts stratum corneum hydration, stable at pH 4-5.

Threonine

Threonine, essential amino acid for hair/skin; blended with other AAs for balance.

Valine

Amino acid humectant, common in amino acid cleansers and sprays; mild, suitable for all skin types

Isoleucine

Amino acid for hair and skin conditioning and antistatic purposes; often blended; check taste if high.

Citric Acid

Buffer and chelator at 0.1–2%; adjusts pH, may irritate sensitive skin at low pH

Histidine

Amino acid humectant and antistatic agent; pH-dependent behavior, consider buffering in formulation.

Palmitoyl Tripeptide-1

Palmitoyl Tripeptide-1 for repair; requires lipid carrier, unstable in aqueous phase

Limonene

Natural fragrance solvent, EU allergen; poor photostability

Linalool

Natural fragrance component at ≤0.05%; one of EU 26 allergens, caution for sensitive skin

Ci 77891

Titanium dioxide inorganic pigment and UV filter; assess inhalation risk for nano-forms and EU restrictions

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