skinceuticals Prevent C E Ferulic® With 15% L-Ascorbic Acid
skinceuticals SkinCeuticals Prevent C E Ferulic® With 15% L-Ascorbic Acid lists 12 ingredients on its label, 11 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 siliconesFree of sulfatesFree of mineral oilFree of essential oilsFree of formaldehyde releasersContains PEG
Key ingredients
- 溶剂
- Aqua/Water/Eau
- HUMECTANT
- EthoxydiglycolPropylene Glycol
- ANTIOXIDANT
- Ascorbic AcidTocopherol
- DENATURANT
- Glycerin
- ANTIMICROBIAL
- Phenoxyethanol
- BUFFERING
- Triethanolamine
Other ingredients
Skim through
| Ingredient | What it does | Irr. · Com. | Rating |
|---|---|---|---|
| Aqua/Water/Eau | 溶剂 | 0 · 0 | Green |
| Ethoxydiglycol | HUMECTANT, SOLVENT, PERFUMING · 限制 III/297 | 0 · 0 | Green |
| Ascorbic Acid | ANTIOXIDANT, BUFFERING, FRAGRANCE, SKIN CONDITIONING | 2 · 0 | Green |
| Glycerin | DENATURANT, HAIR CONDITIONING, HUMECTANT, ORAL CARE, SKIN PROTECTING, SOLVENT, VISCOSITY CONTROLLING, PERFUMING, FRAGRANCE, SKIN CONDITIONING - HUMECTANT | 0 · 0 | Green |
| Propylene Glycol | HUMECTANT, FRAGRANCE, SOLVENT, VISCOSITY CONTROLLING, SKIN CONDITIONING - HUMECTANT, SKIN CONDITIONING - MISCELLANEOUS | 1 · 0 | Green |
| Laureth-23 | Not decoded yet | — | — |
| Phenoxyethanol | ANTIMICROBIAL, PRESERVATIVE · 限制 V/29 | 1 · 0 | Yellow |
| Tocopherol | ANTIOXIDANT, FRAGRANCE, SKIN CONDITIONING - MISCELLANEOUS, SKIN CONDITIONING - OCCLUSIVE | 0 · 0 | Green |
| Triethanolamine | BUFFERING, SURFACTANT - EMULSIFYING, FRAGRANCE, SURFACTANT - CLEANSING · 限制 III/62 | 2 · – | Yellow |
| Ferulic Acid | ANTIMICROBIAL, ANTIOXIDANT | 0 · – | Green |
| Panthenol | ANTISTATIC, HAIR CONDITIONING, SKIN CONDITIONING | 0 · 0 | Green |
| Sodium Hyaluronate | HUMECTANT, SKIN CONDITIONING | 0 · 0 | Green |
Ingredients explained
- Aqua/Water/Eau
- Water as solvent/base; main ingredient, microbial control needed, paired with preservatives.
- Ethoxydiglycol
- Ethoxydiglycol; high-perf solv/humectant; low irrit, EU limit 20%, watch total PEG load
- Ascorbic Acid
- Vitamin C, potent antioxidant requiring acidic environment for stability; oxidizes and discolors easily, needs light and air protection, concentration 1-10%, pure L-ascorbic acid is more irritating.
- Glycerin
- Workhorse humectant at 3–10%; tacky at high levels, pair with occlusives
- Propylene Glycol
- Polyol humectant at 3-10%; hygroscopic, slight tackiness, mild irritation at high conc., verify preservative efficacy, no allergen.
- Laureth-23
- Not decoded yet
- Phenoxyethanol
- Broad-spectrum preservative at ≤1%; may irritate sensitive eye areas, often paired with ethylhexylglycerin
- Tocopherol
- Natural antioxidant (vitamin E) at 0.1–1%; prone to oxidation, store protected from light
- Triethanolamine
- Triethanolamine for buffering; restricted, limit concentration to avoid high pH and irritation
- Ferulic Acid
- Antioxidant, often combined with vitamin C and E; 0.5-2%, photolabile
- Panthenol
- Panthenol (vitamin B5) at 1–5%; moisturizing and reparative, supports barrier recovery
- Sodium Hyaluronate
- Potent humectant at 0.1–2%; different MW for penetration depth, high levels may draw moisture
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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