medik8 C-Tetra Eye Serum
medik8 Medik8 C-Tetra Eye Serum lists 7 ingredients on its label, 7 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.
Highlights
Free of alcoholFree of fragranceFree of parabensFree of sulfatesFree of mineral oilFree of formaldehyde releasersContains essential oilsContains siliconesContains EU-26 allergens
Key ingredients
- SKIN CONDITIONING - EMOLLIENT
- Simmondsia Chinensis Seed OilCyclopentasiloxaneCyclohexasiloxane
- ANTIOXIDANT
- Tetrahexyldecyl AscorbateTocopheryl Acetate
- FRAGRANCE
- Citrus Grandis Peel Oil
- DEODORANT
- Limonene
Other ingredients
Skim through
| Ingredient | What it does | Irr. · Com. | Rating |
|---|---|---|---|
| Simmondsia Chinensis Seed Oil | SKIN CONDITIONING - EMOLLIENT, HAIR CONDITIONING, SKIN CONDITIONING | 0 · 0 | Green |
| Cyclopentasiloxane | SKIN CONDITIONING - EMOLLIENT, HAIR CONDITIONING, SKIN CONDITIONING, SOLVENT | 0 · 0 | Green |
| Cyclohexasiloxane | SKIN CONDITIONING - EMOLLIENT, HAIR CONDITIONING, SOLVENT | 0 · 0 | Green |
| Tetrahexyldecyl Ascorbate | ANTIOXIDANT, SKIN CONDITIONING | 0 · 0 | Green |
| Tocopheryl Acetate | ANTIOXIDANT, SKIN CONDITIONING | 0 · 0 | Green |
| Citrus Grandis Peel Oil | FRAGRANCE, SKIN CONDITIONING, PERFUMING · 限制 II/358 | 1 · – | Green |
| Limonene | DEODORANT, SOLVENT, PERFUMING · 限制 III/88 III/167 III/168 | 1 · – | Yellow |
Ingredients explained
- Simmondsia Chinensis Seed Oil
- Common in dry/damaged hair; superior penetration vs mineral oils, low comedogenic risk, poor oxidative stability.
- Cyclopentasiloxane
- Cyclopentasiloxane for emollient/solvent; volatile silicone, smooth feel, check VOC regulations.
- Cyclohexasiloxane
- Volatile cyclic silicone evaporating without residue; ensure compliance with EU limits on cyclic polydimethylsiloxanes, use octamer
- Tetrahexyldecyl Ascorbate
- Lipophilic Vitamin C derivative, antioxidant and brightening; more stable than VC, oil-soluble, must pair with oil phase
- Tocopheryl Acetate
- Vitamin E derivative antioxidant at 0.1–1%; more stable than tocopherol, store protected from light
- Citrus Grandis Peel Oil
- Grapefruit peel oil for fragrance; EU restricted, sensitizing properties, used as fragrance.
- Limonene
- Natural fragrance solvent, EU allergen; poor photostability
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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