Oskia Retinoid Sleep Serum Level 2
Oskia Oskia Retinoid Sleep Serum Level 2 lists 23 ingredients on its label, 22 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.
- C13-15 Alkane
- Dimethyl isosorbide
- Sorbitan isostearate
- Cocoyl Proline
- Octyldodecanol
- Ascorbyl Tetraisopalmitate
- Echium Plantagineum Seed Oil
- Curcuma Longa Root Extract
- Alaria esculenta
- Ubiquinone
- 7-dehydrocholesterol
- Tocopherol
- Caprylic/Capric Triglyceride
- Hydroxypinacolone Retinoate
- Rosmarinus Officinalis Leaf Extract
- Cardiospermum Halicacabum Flower/Leaf/Vine Extract
- Helianthus Annuus Seed Oil Unsaponifiables
- Helianthus Annuus Seed Oil
- Vegetable Oil
- Lecithin
- Glycerin
- Water
- Sodium Benzoate
Highlights
Free of alcoholFree of parabensFree of siliconesFree of sulfatesFree of formaldehyde releasersContains mineral oilContains essential oilsContains fragranceContains EU-26 allergens
Key ingredients
- SOLVENT · 限制 II
- C13-15 Alkane
- SOLVENT
- Dimethyl isosorbide
- SURFACTANT - EMULSIFYING
- Sorbitan isostearate
- HAIR CONDITIONING
- Cocoyl Proline
- SKIN CONDITIONING - EMOLLIENT
- Octyldodecanol
- ANTIOXIDANT
- Ascorbyl Tetraisopalmitate
- SKIN CONDITIONING
- Echium Plantagineum Seed Oil
- FRAGRANCE
- Curcuma Longa Root Extract
Other ingredients
Alaria esculentaUbiquinone7-dehydrocholesterolTocopherolCaprylic/Capric TriglycerideHydroxypinacolone RetinoateRosmarinus Officinalis Leaf ExtractCardiospermum Halicacabum Flower/Leaf/Vine ExtractHelianthus Annuus Seed Oil UnsaponifiablesHelianthus Annuus Seed OilVegetable OilLecithinGlycerinWaterSodium Benzoate
Skim through
| Ingredient | What it does | Irr. · Com. | Rating |
|---|---|---|---|
| C13-15 Alkane | SOLVENT · 限制 II/875 Distillates (petroleum), hydrotreated middle, except if the full refining history is known and it can be shown that the substance from which it is produced is not a carcinogen. | 0 · 2 | Green |
| Dimethyl isosorbide | SOLVENT, VISCOSITY CONTROLLING | 0 · 0 | Green |
| Sorbitan isostearate | SURFACTANT - EMULSIFYING | 0 · 1 | Green |
| Cocoyl Proline | HAIR CONDITIONING, SKIN CONDITIONING | 0 · – | Green |
| Octyldodecanol | SKIN CONDITIONING - EMOLLIENT, FRAGRANCE, SOLVENT, PERFUMING | 0 · 0 | Green |
| Ascorbyl Tetraisopalmitate | ANTIOXIDANT, SKIN CONDITIONING - EMOLLIENT | 0 · 0 | Green |
| Echium Plantagineum Seed Oil | SKIN CONDITIONING, SOLVENT | 0 · 3 | Green |
| Curcuma Longa Root Extract | FRAGRANCE, PERFUMING | — | Green |
| Alaria esculenta | Not decoded yet | — | — |
| Ubiquinone | ANTIOXIDANT, SKIN CONDITIONING | — | Green |
| 7-dehydrocholesterol | EMULSION STABILISING, SKIN CONDITIONING, VISCOSITY CONTROLLING | 0 · 0 | Green |
| Tocopherol | ANTIOXIDANT, FRAGRANCE, SKIN CONDITIONING - MISCELLANEOUS, SKIN CONDITIONING - OCCLUSIVE | 0 · 0 | Green |
| Caprylic/Capric Triglyceride | FRAGRANCE, SOLVENT, PERFUMING, SKIN CONDITIONING - OCCLUSIVE | 0 · 0 | Green |
| Hydroxypinacolone Retinoate | SKIN CONDITIONING | 1 · 0 | Green |
| Rosmarinus Officinalis Leaf Extract | ANTIMICROBIAL, FRAGRANCE, SKIN CONDITIONING | 1 · 0 | Green |
| Cardiospermum Halicacabum Flower/Leaf/Vine Extract | SKIN CONDITIONING | 0 · – | Green |
| Helianthus Annuus Seed Oil Unsaponifiables | HAIR CONDITIONING, SKIN CONDITIONING - MISCELLANEOUS | 0 · 0 | Green |
| Helianthus Annuus Seed Oil | SKIN CONDITIONING - EMOLLIENT, SOLVENT, SKIN CONDITIONING - MISCELLANEOUS, SKIN CONDITIONING - OCCLUSIVE | 0 · 0 | Green |
| Vegetable Oil | HAIR CONDITIONING, SKIN CONDITIONING - OCCLUSIVE | — | Green |
| Lecithin | ANTISTATIC, SKIN CONDITIONING - EMOLLIENT, SURFACTANT - EMULSIFYING, 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 |
| Sodium Benzoate | ANTICORROSIVE, FRAGRANCE, PRESERVATIVE · 限制 V/1 | 0 · – | Yellow |
Ingredients explained
- C13-15 Alkane
- Mineral oil derivative as solvent and spreader; low irritation and allergen, ensure high purity free of carcinogens
- Dimethyl isosorbide
- Dimethyl isosorbide as solvent and viscosity control; low toxicity, common use
- Sorbitan isostearate
- Non-ionic emulsifier (low HLB); typically used in blends, low comedogenicity, soft skin feel.
- Cocoyl Proline
- Mild amino-acid derived surfactant for cleansing or conditioning; low irritation, often co-used.
- Octyldodecanol
- Light emollient/emulsifier at 1-5%; low comedogenic, non-greasy feel, broadly compatible, sensitive-skin friendly.
- Ascorbyl Tetraisopalmitate
- Vitamin C ester antioxidant; more stable than ascorbic acid but still light-sensitive.
- Echium Plantagineum Seed Oil
- Linoleic-rich seed oil; high oxidation risk, requires antioxidants and light protection to maintain stability
- Curcuma Longa Root Extract
- Turmeric root extract, contains curcumin, colorant/antioxidant; high doses may sensitize.
- Alaria esculenta
- Not decoded yet
- Ubiquinone
- Coenzyme Q10 analog used as an antioxidant; prone to discoloration, needs protection from light and air.
- 7-dehydrocholesterol
- Cholesterol derivative for barrier repair and emulsion stability, watch concentration and light exposure.
- Tocopherol
- Natural antioxidant (vitamin E) at 0.1–1%; prone to oxidation, store protected from light
- Caprylic/Capric Triglyceride
- Light occlusive and solvent at 1–10%; non-greasy feel, suitable for oily and combination skin
- Hydroxypinacolone Retinoate
- Water-soluble retinoate ester; gentler metabolism booster than retinol, stable, suitable for sensitive users at low levels
- Rosmarinus Officinalis Leaf Extract
- Plant extract containing rosmarinic acid etc., with antioxidant and antimicrobial properties; may contain allergenic fragrances, patch test for sensitive skin, typical concentration <1%.
- Cardiospermum Halicacabum Flower/Leaf/Vine Extract
- Plant-derived skin-conditioning extract; used at low levels, stability must be verified.
- Helianthus Annuus Seed Oil Unsaponifiables
- Sunflower oil unsaponifiables; squalene, tocopherol. Lightweight antioxidant, sensitive to oxidation, store light-protected and N2 flushed.
- Helianthus Annuus Seed Oil
- Sunflower seed oil for emollient/occlusive; high linoleic acid, low comedogenicity.
- Vegetable Oil
- Generic vegetable oils for hair/skin conditioning; specify oil type and oxidative stability.
- Lecithin
- Phospholipid emulsifier at 1-5%; biocompatible, moisturizing/antioxidant, prone to oxidation (add TBHQ), mild for sensitive skin.
- 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
- Sodium Benzoate
- Preservative booster, effective below pH 4.5; combinable with sorbates
Source: full ingredient list published on the product label, collected 2026-09-20. Ratings are our internal reading, not a regulatory conclusion. · Product page
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