alpha-h Vitamin C Serum
alpha-h Alpha-H Vitamin C Serum 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 formaldehyde releasersContains essential oils
Formulation view Water-based serum featuring ethyl ascorbyl phosphate, grape seed extract, and hyaluronic acid for antioxidant and hydration benefits. Mild preservation and chelation. For brightening needs. Factory note: Ethyl VC is stable but light-sensitive; sodium bisulfite used as antioxidant; strict control of metal ions prevents degradation.
Key ingredients
- SOLVENT
- Aqua
- 抗氧化剂
- Ethyl Ascorbic Acid
- ANTI-SEBORRHEIC
- Vitis Vinifera Seed Extract
- HUMECTANT
- Sodium Hyaluronate
- BUFFERING
- Sodium CitrateCitric Acid
- ANTIMICROBIAL
- Phenoxyethanol
- EMULSION STABILISING
- Polyacrylate Crosspolymer-6
Other ingredients
Methyl Gluceth-20Caprylyl GlycolGlycyrrhiza Glabra Root ExtractSodium Bisulfite
Skim through
| Ingredient | What it does | Irr. · Com. | Rating |
|---|---|---|---|
| Aqua | SOLVENT | 0 · 0 | Green |
| Methyl Gluceth-20 | Not decoded yet | — | — |
| Ethyl Ascorbic Acid | 抗氧化剂, 皮肤调理剂 | 1 · 0 | Green |
| Vitis Vinifera Seed Extract | ANTI-SEBORRHEIC, ANTIMICROBIAL, ANTIOXIDANT, ORAL CARE, SKIN PROTECTING, UV ABSORBER | 0 · 0 | Green |
| Sodium Hyaluronate | HUMECTANT, SKIN CONDITIONING | 0 · 0 | Green |
| Sodium Citrate | BUFFERING, CHELATING, FRAGRANCE | 0 · 0 | Green |
| Citric Acid | BUFFERING, CHELATING, FRAGRANCE | 1 · 0 | Green |
| Phenoxyethanol | ANTIMICROBIAL, PRESERVATIVE · 限制 V/29 | 1 · 0 | Yellow |
| Polyacrylate Crosspolymer-6 | EMULSION STABILISING, VISCOSITY CONTROLLING | 0 · 0 | Green |
| Caprylyl Glycol | DEODORANT, SKIN CONDITIONING - EMOLLIENT, HAIR CONDITIONING, SKIN CONDITIONING | 0 · 0 | Green |
| Glycyrrhiza Glabra Root Extract | BLEACHING, SKIN CONDITIONING - EMOLLIENT, SKIN CONDITIONING, SMOOTHING, SOOTHING, PERFUMING | — | Green |
| Sodium Bisulfite | ANTIOXIDANT, HAIR WAVING OR STRAIGHTENING, PRESERVATIVE, REDUCING · 限制 III/99 V/9 | 3 · – | Yellow |
Ingredients explained
- Aqua
- Solvent, main base; microbial control is critical
- Methyl Gluceth-20
- Not decoded yet
- Ethyl Ascorbic Acid
- Ethyl ascorbic acid, lipophilic Vit C derivative, antioxidant/whitening; more stable than L-AA, for oil phases
- Vitis Vinifera Seed Extract
- Grape seed extract with OPCs; potent antioxidant; used for skin protection and UV support; needs stabilizers.
- Sodium Hyaluronate
- Potent humectant at 0.1–2%; different MW for penetration depth, high levels may draw moisture
- Sodium Citrate
- Sodium citrate for buffering and chelating; adjust pH, careful with strong acid reactions.
- Citric Acid
- Buffer and chelator at 0.1–2%; adjusts pH, may irritate sensitive skin at low pH
- Phenoxyethanol
- Broad-spectrum preservative at ≤1%; may irritate sensitive eye areas, often paired with ethylhexylglycerin
- Polyacrylate Crosspolymer-6
- Water-soluble thickener; requires neutralizer, performs best at pH 5–7
- Caprylyl Glycol
- Polyol conditioner and preservative booster at 0.5–3%; emollient feel, often paired with 1,2-hexanediol
- Glycyrrhiza Glabra Root Extract
- Liquorice root extract for soothing and brightening; batch variability, watch polyphenol interactions
- Sodium Bisulfite
- Reducing agent and preservative in hair waving/straightening; irritating; restricted use
Source: full ingredient list published on the product label, collected 2026-09-18. Ratings are our internal reading, not a regulatory conclusion. · Product page
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