fourth-ray Fourth Ray Clean Slate
fourth-ray Fourth Ray Clean Slate lists 28 ingredients on its label, 25 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.
- Sucrose
- Kaolin
- Sodium Methyl Cocoyl Taurate
- Sodium Cocoyl Isethionate
- Zea Mays Starch
- Magnesium Aluminum Silicate
- Volcanic Sand
- Argania Spinosa Kernel Oil
- Helianthus Annuus Seed Oil
- Lactobacillus/Papaya Fruit Ferment Extract
- Glycolic Acid
- Salicylic Acid
- Melaleuca Alternifolia Leaf Oil
- Eucalyptus Globulus Leaf Oil
- Mentha Piperita Oil
- Pimpinella Anisum Seed Oil
- Tourmaline Extract
- Leuconostoc/Radish Root Ferment Filtrate
- Tartaric Acid
- Citric Acid
- Arginine
- Glycerin
- Water
- Cetyl Hydroxyethylcellulose
- Hydrated Silica
- Disodium Phosphate
- Silica Dimethyl Silylate
- Monosodium Phosphate
Highlights
Free of alcoholFree of parabensFree of sulfatesFree of mineral oilFree of formaldehyde releasersContains essential oilsContains EU-26 allergensContains fragranceContains silicones
Key ingredients
- HUMECTANT
- Sucrose
- ABRASIVE
- KaolinZea Mays Starch
- SURFACTANT - CLEANSING
- Sodium Methyl Cocoyl Taurate
- CLEANSING
- Sodium Cocoyl Isethionate
- ABSORBENT
- Magnesium Aluminum Silicate
- SKIN CONDITIONING
- Volcanic Sand
- SKIN CONDITIONING - EMOLLIENT
- Argania Spinosa Kernel Oil
Other ingredients
Helianthus Annuus Seed OilLactobacillus/Papaya Fruit Ferment ExtractGlycolic AcidSalicylic AcidMelaleuca Alternifolia Leaf OilEucalyptus Globulus Leaf OilMentha Piperita OilPimpinella Anisum Seed OilTourmaline ExtractLeuconostoc/Radish Root Ferment FiltrateTartaric AcidCitric AcidArginineGlycerinWaterCetyl HydroxyethylcelluloseHydrated SilicaDisodium PhosphateSilica Dimethyl SilylateMonosodium Phosphate
Skim through
| Ingredient | What it does | Irr. · Com. | Rating |
|---|---|---|---|
| Sucrose | HUMECTANT, SKIN CONDITIONING, SOOTHING | 0 · 0 | Green |
| Kaolin | ABRASIVE, ABSORBENT, ANTICAKING, BULKING, COLORANT, OPACIFYING · 限制 IV/119 | 0 · 0 | Green |
| Sodium Methyl Cocoyl Taurate | SURFACTANT - CLEANSING | 0 · 0 | Green |
| Sodium Cocoyl Isethionate | CLEANSING, HAIR CONDITIONING, SURFACTANT - CLEANSING | 1 · 0 | Green |
| Zea Mays Starch | ABRASIVE, ABSORBENT, ANTICAKING, SKIN PROTECTING, VISCOSITY CONTROLLING | 0 · 0 | Green |
| Magnesium Aluminum Silicate | ABSORBENT, ANTICAKING, OPACIFYING, VISCOSITY CONTROLLING | 0 · 0 | Green |
| Volcanic Sand | SKIN CONDITIONING | 1 · – | Green |
| Argania Spinosa Kernel Oil | SKIN CONDITIONING - EMOLLIENT, SKIN CONDITIONING | 0 · 2 | Green |
| Helianthus Annuus Seed Oil | SKIN CONDITIONING - EMOLLIENT, SOLVENT, SKIN CONDITIONING - MISCELLANEOUS, SKIN CONDITIONING - OCCLUSIVE | 0 · 0 | Green |
| Lactobacillus/Papaya Fruit Ferment Extract | Not decoded yet | — | — |
| Glycolic Acid | BUFFERING | 2 · 0 | Green |
| Salicylic Acid | ANTI-SEBORRHEIC, HAIR CONDITIONING, KERATOLYTIC, FRAGRANCE, PRESERVATIVE, SKIN CONDITIONING · 限制 III/98 V/3 | 2 · 0 | Yellow |
| Melaleuca Alternifolia Leaf Oil | ANTIOXIDANT, FRAGRANCE, SKIN PROTECTING, PERFUMING, SKIN CONDITIONING - MISCELLANEOUS | 2 · 0 | Green |
| Eucalyptus Globulus Leaf Oil | SKIN CONDITIONING, PERFUMING · 限制 III/355 | 3 · – | Green |
| Mentha Piperita Oil | FRAGRANCE, REFRESHING, TONIC, PERFUMING · 限制 III/361 | 5 · 0 | Yellow |
| Pimpinella Anisum Seed Oil | Not decoded yet | — | — |
| Tourmaline Extract | Not decoded yet | — | — |
| Leuconostoc/Radish Root Ferment Filtrate | ANTI-SEBORRHEIC, ANTIMICROBIAL | 0 · – | Green |
| Tartaric Acid | BUFFERING, FRAGRANCE | 3 · 0 | Green |
| Citric Acid | BUFFERING, CHELATING, FRAGRANCE | 1 · 0 | Green |
| Arginine | ANTISTATIC, HAIR CONDITIONING, FRAGRANCE, SKIN CONDITIONING | 0 · 0 | Green |
| Glycerin | DENATURANT, HAIR CONDITIONING, HUMECTANT, ORAL CARE, SKIN PROTECTING, SOLVENT, VISCOSITY CONTROLLING, PERFUMING, FRAGRANCE, SKIN CONDITIONING - HUMECTANT | 0 · 0 | Green |
| Water | ANTIPLAQUE, SKIN CONDITIONING, SOLVENT | 0 · 0 | Green |
| Cetyl Hydroxyethylcellulose | EMULSION STABILISING, FILM FORMING, VISCOSITY CONTROLLING | — | Green |
| Hydrated Silica | ABRASIVE, ABSORBENT, ANTICAKING, BULKING, OPACIFYING, VISCOSITY CONTROLLING | 1 · 0 | Green |
| Disodium Phosphate | ANTICORROSIVE, BUFFERING, FRAGRANCE | 1 · 0 | Green |
| Silica Dimethyl Silylate | ANTICAKING, ANTIFOAMING, SKIN CONDITIONING - EMOLLIENT, EMULSION STABILISING, VISCOSITY CONTROLLING | 0 · 0 | Green |
| Monosodium Phosphate | 缓冲剂, 黏结剂 | 1 · 0 | Green |
Ingredients explained
- Sucrose
- Sucrose, water-soluble thickener and humectant; high levels prone to hygroscopy.
- Kaolin
- Kaolin absorbent and bulk for powders/masks; check for heavy metals and comply with EU colorant limits IV/119
- Sodium Methyl Cocoyl Taurate
- Amino acid based mild surfactant, soft lather; cleaning power increases with salt but may dry out.
- Sodium Cocoyl Isethionate
- Mild cleanser with rich lather and low irritation; hygroscopic, requires moisture-resistant packaging
- Zea Mays Starch
- Corn starch for oil absorption and suspension; powder, hygroscopic, needs moisture control
- Magnesium Aluminum Silicate
- Oil-absorbing powder at 5–20%; for pressed/powder makeup, high levels may feel heavy
- Volcanic Sand
- Volcanic sand; fine-particle physical exfoliation and conditioning; particle size control is critical to prevent abrasion
- Argania Spinosa Kernel Oil
- Jojoba oil rich in unsaturated fats; good penetration, non-comedogenic, prone to oxidation requiring antioxidants
- Helianthus Annuus Seed Oil
- Sunflower seed oil for emollient/occlusive; high linoleic acid, low comedogenicity.
- Lactobacillus/Papaya Fruit Ferment Extract
- Not decoded yet
- Glycolic Acid
- Glycolic acid for exfoliation; requires buffering at concentrations >10%, avoid combination with other acids.
- Salicylic Acid
- Lipophilic BHA at 0.5-2%; exfoliant/sebum control, irritation/sensitization at high conc., photosensitivity (SPF needed), avoid sensitive/pregnant.
- Melaleuca Alternifolia Leaf Oil
- Tea tree oil, antibacterial and sebum regulating; highly sensitizing at concentrate level, dilute; avoid on broken skin.
- Eucalyptus Globulus Leaf Oil
- Eucalyptus leaf oil, strong essential oil; high irritation, strictly limited usage
- Mentha Piperita Oil
- Peppermint essential oil, strong cooling; highly irritating and sensitizing at high levels; dilute, avoid in sensitive skin.
- Pimpinella Anisum Seed Oil
- Not decoded yet
- Tourmaline Extract
- Not decoded yet
- Leuconostoc/Radish Root Ferment Filtrate
- Bio-fermented filtrate for antimicrobial and anti-dandruff effects; assess individual variability, avoid in known allergy.
- Tartaric Acid
- Small-molecule organic acid used as buffer and antioxidant; highly irritating at high levels, caution for sensitive skin
- Citric Acid
- Buffer and chelator at 0.1–2%; adjusts pH, may irritate sensitive skin at low pH
- Arginine
- Arginine for moisturizing/conditioning; amino acid, high biocompatibility, often used in blends.
- Glycerin
- Workhorse humectant at 3–10%; tacky at high levels, pair with occlusives
- Water
- Primary solvent and base; requires preservative system to prevent microbial growth
- Cetyl Hydroxyethylcellulose
- Water-soluble cellulose derivative; viscosity booster and emulsion stabilizer; pH sensitive.
- Hydrated Silica
- Inorganic abrasive and oil absorbent; prone to settling, needs dispersant, high levels increase exfoliation
- Disodium Phosphate
- Phosphate buffer for pH adjustment and preservation; water-soluble; high levels may irritate mucous membranes.
- Silica Dimethyl Silylate
- Dimethicone modified silica for dry touch; anti-caking and oil absorption
- Monosodium Phosphate
- Buffering and binding agent. Adjusts pH; high levels may irritate compromised skin; control usage rate.
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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