rationale #5 The Mask
rationale Rationale #5 The Mask lists 68 ingredients on its label, 64 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.
- Aqua
- Glycerin
- Octyldodecanol
- Ethoxydiglycol
- Pentylene Glycol
- Polyacrylate Crosspolymer-6
- Niacinamide
- Propanediol
- Lactic Acid
- Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
- Vaccinium Myrtillus Fruit Extract
- Mica
- Saccharide Isomerate
- Lauryl Lactate
- Salicylic Acid
- 1,2-Hexanediol
- Saccharum Officinarum Extract
- Melaleuca Alternifolia Leaf
- Mentha Australis Leaf Extract
- Butylene Glycol
- Citrus Aurantium Dulcis Fruit Extract
- Citrus Limon Fruit Extract
- Disodium EDTA
- Piroctone Olamine
- Santalum Spicatum Seed Oil
- Sodium Hyaluronate
- Caprylhydroxamic Acid
- Tin Oxide
- Polysorbate 60
- Sorbitan Isostearate
- Acer Saccharum Extract
- T-Butyl Alcohol
- Citrus Aurantium Dulcis Oil
- Magnesium Aspartate
- Zinc Gluconate
- Citrus Aurantium Bergamia Fruit Oil
- Citrus Grandis Peel Oil
- Citrus Limon Peel Oil
- Litsea Cubeba Fruit Oil
- Citrus Aurantium Bergamia Leaf Oil
- Juniperus Mexicana Oil
- Pelargonium Graveolens Oil
- Citrus Aurantium Amara Flower Oil
- Eugenia Caryophyllus Leaf Oil
- Citrus Australasica Fruit Extract
- Citric Acid
- Sodium Citrate
- Sodium Benzoate
- Copper Gluconate
- Potassium Sorbate
- Glycine
- Serine
- Glutamic Acid
- Aspartic Acid
- Leucine
- Alanine
- Lysine
- Arginine
- Tyrosine
- Phenylalanine
- Proline
- Threonine
- Valine
- Isoleucine
- Histidine
- Limonene
- Citral
- Ci 77891
Highlights
Free of parabensFree of siliconesFree of sulfatesFree of mineral oilFree of formaldehyde releasersContains PEGContains EU-26 allergensContains fragranceContains essential oilsContains alcohol
Key ingredients
- SOLVENT
- AquaPropanediol
- DENATURANT
- Glycerin
- SKIN CONDITIONING - EMOLLIENT
- Octyldodecanol
- HUMECTANT
- Ethoxydiglycol
- SKIN CONDITIONING
- Pentylene Glycol
- EMULSION STABILISING
- Polyacrylate Crosspolymer-6
- SMOOTHING
- Niacinamide
Other ingredients
Lactic AcidHydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate CopolymerVaccinium Myrtillus Fruit ExtractMicaSaccharide IsomerateLauryl LactateSalicylic Acid1,2-HexanediolSaccharum Officinarum ExtractMelaleuca Alternifolia LeafMentha Australis Leaf ExtractButylene GlycolCitrus Aurantium Dulcis Fruit ExtractCitrus Limon Fruit ExtractDisodium EDTAPiroctone OlamineSantalum Spicatum Seed OilSodium HyaluronateCaprylhydroxamic AcidTin OxidePolysorbate 60Sorbitan IsostearateAcer Saccharum ExtractT-Butyl AlcoholCitrus Aurantium Dulcis OilMagnesium AspartateZinc GluconateCitrus Aurantium Bergamia Fruit OilCitrus Grandis Peel OilCitrus Limon Peel OilLitsea Cubeba Fruit OilCitrus Aurantium Bergamia Leaf OilJuniperus Mexicana OilPelargonium Graveolens OilCitrus Aurantium Amara Flower OilEugenia Caryophyllus Leaf OilCitrus Australasica Fruit ExtractCitric AcidSodium CitrateSodium BenzoateCopper GluconatePotassium SorbateGlycineSerineGlutamic AcidAspartic AcidLeucineAlanineLysineArginineTyrosinePhenylalanineProlineThreonineValineIsoleucineHistidineLimoneneCitralCi 77891
Skim through
| Ingredient | What it does | Irr. · Com. | Rating |
|---|---|---|---|
| Aqua | SOLVENT | 0 · 0 | Green |
| Glycerin | DENATURANT, HAIR CONDITIONING, HUMECTANT, ORAL CARE, SKIN PROTECTING, SOLVENT, VISCOSITY CONTROLLING, PERFUMING, FRAGRANCE, SKIN CONDITIONING - HUMECTANT | 0 · 0 | Green |
| Octyldodecanol | SKIN CONDITIONING - EMOLLIENT, FRAGRANCE, SOLVENT, PERFUMING | 0 · 0 | Green |
| Ethoxydiglycol | HUMECTANT, SOLVENT, PERFUMING · 限制 III/297 | 0 · 0 | Green |
| Pentylene Glycol | SKIN CONDITIONING, SOLVENT | 0 · 0 | Green |
| Polyacrylate Crosspolymer-6 | EMULSION STABILISING, VISCOSITY CONTROLLING | 0 · 0 | Green |
| Niacinamide | SMOOTHING | 0 · 0 | Green |
| Propanediol | SOLVENT, VISCOSITY CONTROLLING | 0 · 0 | Green |
| Lactic Acid | BUFFERING, HUMECTANT, SKIN CONDITIONING | 1 · 0 | Green |
| Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer | EMULSION STABILISING, VISCOSITY CONTROLLING | 0 · 0 | Green |
| Vaccinium Myrtillus Fruit Extract | SKIN CONDITIONING - MISCELLANEOUS | 0 · – | Green |
| Mica | ANTICAKING, BULKING, COLORANT, OPACIFYING | 0 · 0 | Green |
| Saccharide Isomerate | HUMECTANT | 0 · – | Green |
| Lauryl Lactate | SKIN CONDITIONING - EMOLLIENT, SKIN CONDITIONING | 0 · 1 | Green |
| Salicylic Acid | ANTI-SEBORRHEIC, HAIR CONDITIONING, KERATOLYTIC, FRAGRANCE, PRESERVATIVE, SKIN CONDITIONING · 限制 III/98 V/3 | 2 · 0 | Yellow |
| 1,2-Hexanediol | SKIN CONDITIONING, SOLVENT | 0 · 0 | Green |
| Saccharum Officinarum Extract | MOISTURISING, SKIN CONDITIONING | 0 · – | Green |
| Melaleuca Alternifolia Leaf | Not decoded yet | — | — |
| Mentha Australis Leaf Extract | Not decoded yet | — | — |
| Butylene Glycol | HUMECTANT, FRAGRANCE, SKIN CONDITIONING, SOLVENT, VISCOSITY CONTROLLING | 0 · 0 | Green |
| Citrus Aurantium Dulcis Fruit Extract | FRAGRANCE, SKIN CONDITIONING | 1 · 0 | Green |
| Citrus Limon Fruit Extract | FRAGRANCE, SKIN CONDITIONING - MISCELLANEOUS, SKIN CONDITIONING - OCCLUSIVE · 限制 II/358 | 1 · 0 | Green |
| Disodium EDTA | CHELATING, VISCOSITY CONTROLLING | 0 · 0 | Green |
| Piroctone Olamine | ANTI-SEBORRHEIC, PRESERVATIVE · 限制 III/61 V/35 | 2 · 0 | Yellow |
| Santalum Spicatum Seed Oil | SKIN CONDITIONING | 0 · 1 | Green |
| Sodium Hyaluronate | HUMECTANT, SKIN CONDITIONING | 0 · 0 | Green |
| Caprylhydroxamic Acid | CHELATING | 0 · – | Green |
| Tin Oxide | ABRASIVE, BULKING, OPACIFYING, VISCOSITY CONTROLLING | 0 · 0 | Green |
| Polysorbate 60 | SURFACTANT - EMULSIFYING, SURFACTANT - CLEANSING | 1 · – | Green |
| Sorbitan Isostearate | SURFACTANT - EMULSIFYING | 0 · 1 | Green |
| Acer Saccharum Extract | SKIN CONDITIONING | — | Green |
| T-Butyl Alcohol | DENATURANT, SOLVENT, PERFUMING | 2 · 0 | Green |
| Citrus Aurantium Dulcis Oil | FRAGRANCE | 1 · – | Green |
| Magnesium Aspartate | SKIN CONDITIONING | 0 · 0 | Green |
| Zinc Gluconate | ANTIMICROBIAL, DEODORANT, ORAL CARE, SKIN CONDITIONING · 限制 III/24 | 0 · 0 | Yellow |
| Citrus Aurantium Bergamia Fruit Oil | FRAGRANCE, PERFUMING | 1 · – | Green |
| Citrus Grandis Peel Oil | FRAGRANCE, SKIN CONDITIONING, PERFUMING · 限制 II/358 | 1 · – | Green |
| Citrus Limon Peel Oil | FRAGRANCE, SKIN CONDITIONING, PERFUMING · 限制 III/353 | 1 · 0 | Yellow |
| Litsea Cubeba Fruit Oil | FRAGRANCE, TONIC, PERFUMING | 2 · 1 | Green |
| Citrus Aurantium Bergamia Leaf Oil | Not decoded yet | — | — |
| Juniperus Mexicana Oil | FRAGRANCE | — | Green |
| Pelargonium Graveolens Oil | FRAGRANCE, PERFUMING · 限制 III/364 | 1 · – | Green |
| Citrus Aurantium Amara Flower Oil | FRAGRANCE, SKIN CONDITIONING · 限制 III/350 | 1 · 0 | Yellow |
| Eugenia Caryophyllus Leaf Oil | FRAGRANCE, SKIN CONDITIONING, TONIC, PERFUMING · 限制 III/356 | 3 · – | Yellow |
| Citrus Australasica Fruit Extract | Not decoded yet | — | — |
| Citric Acid | BUFFERING, CHELATING, FRAGRANCE | 1 · 0 | Green |
| Sodium Citrate | BUFFERING, CHELATING, FRAGRANCE | 0 · 0 | Green |
| Sodium Benzoate | ANTICORROSIVE, FRAGRANCE, PRESERVATIVE · 限制 V/1 | 0 · – | Yellow |
| Copper Gluconate | SKIN CONDITIONING, SKIN PROTECTING | 0 · 0 | Green |
| Potassium Sorbate | FRAGRANCE, PRESERVATIVE · 限制 V/4 | 0 · – | Yellow |
| Glycine | ANTISTATIC, BUFFERING, HAIR CONDITIONING, SKIN CONDITIONING | 0 · – | Green |
| Serine | ANTISTATIC, HAIR CONDITIONING, FRAGRANCE, SKIN CONDITIONING | 0 · – | Green |
| Glutamic Acid | ANTISTATIC, HAIR CONDITIONING, HUMECTANT | 0 · 0 | Green |
| Aspartic Acid | ANTISTATIC, HAIR CONDITIONING, FRAGRANCE, SKIN CONDITIONING | 0 · 0 | Green |
| Leucine | ANTISTATIC, HAIR CONDITIONING, SKIN CONDITIONING | 0 · – | Green |
| Alanine | ANTISTATIC, HAIR CONDITIONING, FRAGRANCE, SKIN CONDITIONING | 0 · 0 | Green |
| Lysine | ANTISTATIC, HAIR CONDITIONING, SKIN CONDITIONING | 0 · 0 | Green |
| Arginine | ANTISTATIC, HAIR CONDITIONING, FRAGRANCE, SKIN CONDITIONING | 0 · 0 | Green |
| Tyrosine | ANTISTATIC, HAIR CONDITIONING, FRAGRANCE, SKIN CONDITIONING | 0 · 0 | Green |
| Phenylalanine | HAIR CONDITIONING, FRAGRANCE, SKIN CONDITIONING | 0 · 0 | Green |
| Proline | HAIR CONDITIONING, SKIN CONDITIONING | 0 · 0 | Green |
| Threonine | ANTISTATIC, HAIR CONDITIONING, HAIR WAVING OR STRAIGHTENING | 0 · 0 | Green |
| Valine | ANTISTATIC, HAIR CONDITIONING, FRAGRANCE, SKIN CONDITIONING | 0 · 0 | Green |
| Isoleucine | ANTISTATIC, HAIR CONDITIONING, SKIN CONDITIONING | 0 · – | Green |
| Histidine | ANTISTATIC, HUMECTANT, SKIN CONDITIONING | 0 · – | Green |
| Limonene | DEODORANT, SOLVENT, PERFUMING · 限制 III/88 III/167 III/168 | 1 · – | Yellow |
| Citral | FRAGRANCE, PERFUMING, FLAVOURING · 限制 III/70 | 1 · 0 | Yellow |
| Ci 77891 | COLORANT · 限制 IV/143 | 0 · – | Green |
Ingredients explained
- Aqua
- Solvent, main base; microbial control is critical
- Glycerin
- Workhorse humectant at 3–10%; tacky at high levels, pair with occlusives
- Octyldodecanol
- Light emollient/emulsifier at 1-5%; low comedogenic, non-greasy feel, broadly compatible, sensitive-skin friendly.
- Ethoxydiglycol
- Ethoxydiglycol; high-perf solv/humectant; low irrit, EU limit 20%, watch total PEG load
- Pentylene Glycol
- Polyol humectant at 1-3%; low irritancy, suitable for sensitive skin
- Polyacrylate Crosspolymer-6
- Water-soluble thickener; requires neutralizer, performs best at pH 5–7
- Niacinamide
- Niacinamide at 2–5%; improves texture, controls oil, brightens; high levels may cause sensitivity
- Propanediol
- Polyol solvent at 1–5%; light feel, aids solubilization, propylene glycol alternative
- Lactic Acid
- AHA pH adjuster at 0.5-5%; exfoliation/humectancy, mild at low conc., irritating at high, avoid conflict with alkaline preservatives.
- Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
- High-molecular-weight thickener and emulsion stabilizer; requires electrolytes or acid adjustment near isoelectric point for optimal performance.
- Vaccinium Myrtillus Fruit Extract
- Bilberry extract; anthocyanin rich; gentle antioxid/conditioning, no pub comed data
- Mica
- Mineral colorant for pearlescence; heavy metal screening required
- Saccharide Isomerate
- Novel polyol humectant with skin feel improvement; high hydration, suitable for lightweight formulas.
- Lauryl Lactate
- Lauric lactate ester; mild emollient and emulsifier; suitable for all skin types, low allergenicity.
- Salicylic Acid
- Lipophilic BHA at 0.5-2%; exfoliant/sebum control, irritation/sensitization at high conc., photosensitivity (SPF needed), avoid sensitive/pregnant.
- 1,2-Hexanediol
- Polyol solvent and preservative booster at 1–5%; light feel, can replace some traditional preservatives
- Saccharum Officinarum Extract
- Sugarcane extract, mainly moisturizing and conditioning; use at low levels; prone to microbes, needs preservatives.
- Melaleuca Alternifolia Leaf
- Not decoded yet
- Mentha Australis Leaf Extract
- Not decoded yet
- Butylene Glycol
- Polyol humectant and solvent at 1–5%; aids solubilization, light feel
- Citrus Aurantium Dulcis Fruit Extract
- Citrus peel extract, provides fragrance and astringency; photosensitive due to furanocoumarins; caution in daytime or remove photoactives.
- Citrus Limon Fruit Extract
- Lemon fruit extract for fragrance and occlusive moisturizing; contains furanocoumarins, photosensitivity caution advised.
- Disodium EDTA
- Chelating agent at 0.05–0.5%; sequesters metal ions for stability, boosts preservative efficacy
- Piroctone Olamine
- Antifungal/antiseborrheic agent; high-concentration irritation; avoid eye area.
- Santalum Spicatum Seed Oil
- Santalum spicatum seed oil; 0.5–2% oil phase; aromatic emollient, unsaturated fatty acids, store dark, low allergenicity
- Sodium Hyaluronate
- Potent humectant at 0.1–2%; different MW for penetration depth, high levels may draw moisture
- Caprylhydroxamic Acid
- Chelating agent to stabilize metal ions; often paired with antioxidants for system stability, used at low levels
- 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.
- Acer Saccharum Extract
- Maple extract; NMF/AA source; gentle humectant, no public irritant/comedogenic data
- T-Butyl Alcohol
- Fast-evaporating solvent; sharp odor and potential irritation at high levels, limit usage
- Citrus Aurantium Dulcis Oil
- Sweet orange oil; fragrance/antioxidant, contains furanocoumarins (photosensitizing), use at night or with SPF.
- 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.
- Citrus Aurantium Bergamia Fruit Oil
- Bergamot essential oil, natural fragrance and photosensitizer; limit daytime use or use FCF grade
- Citrus Grandis Peel Oil
- Grapefruit peel oil for fragrance; EU restricted, sensitizing properties, used as fragrance.
- Citrus Limon Peel Oil
- Lemon peel oil for fragrance/skin conditioning; contains allergens, mind phototoxicity and compliance
- Litsea Cubeba Fruit Oil
- Litsaea cubeba fruit oil; distinct aroma, potential irritant; use as essential oil, label fully.
- Citrus Aurantium Bergamia Leaf Oil
- Not decoded yet
- Juniperus Mexicana Oil
- Mexican juniper essential oil for scent; high levels of essential oils are irritating.
- Pelargonium Graveolens Oil
- Pelargonium graveolens oil containing citronellol and geraniol; used as perfuming agent, contains labeled allergens requiring compliance checks.
- Citrus Aurantium Amara Flower Oil
- Bitter orange flower oil, an essential oil used for fragrance and skin conditioning; contains labeled allergen compounds, caution for sensitive skin.
- Eugenia Caryophyllus Leaf Oil
- Clove leaf oil for fragrance and conditioning; irritant risk at high levels, restricted by EU.
- Citrus Australasica Fruit Extract
- Not decoded yet
- Citric Acid
- Buffer and chelator at 0.1–2%; adjusts pH, may irritate sensitive skin at low pH
- Sodium Citrate
- Sodium citrate for buffering and chelating; adjust pH, careful with strong acid reactions.
- Sodium Benzoate
- Preservative booster, effective below pH 4.5; combinable with sorbates
- Copper Gluconate
- Copper gluconate; trace antioxidant/repair agent. Use <0.05%; high levels cause color change/irritation.
- Potassium Sorbate
- Preservative effective below pH 6; combinable with sodium benzoate
- 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.
- 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.
- 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.
- Histidine
- Amino acid humectant and antistatic agent; pH-dependent behavior, consider buffering in formulation.
- Limonene
- Natural fragrance solvent, EU allergen; poor photostability
- Citral
- Citral; citrus fragrance component, listed EU allergen, high phototoxicity risk, strict concentration limits apply.
- Ci 77891
- Titanium dioxide inorganic pigment and UV filter; assess inhalation risk for nano-forms and EU restrictions
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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