cosrx Triple C Lightning Liquid
cosrx COSRX Triple C Lightning Liquid lists 10 ingredients on its label, 8 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 fragranceFree of parabensFree of siliconesFree of sulfatesFree of mineral oilFree of essential oilsFree of formaldehyde releasersContains alcohol
Formulation view Core of Aronia extract and 20.5% Vitamin C with butylene glycol. Includes hyaluronic acid and licorice. Light liquid texture for brightening. Factory note: Ultra-high Vitamin C is highly unstable; strict light protection and antioxidant capacity are required to ensure consistent potency.
Key ingredients
- HUMECTANT
- Butylene GlycolSodium Hyaluronate
- BUFFERING
- Sodium Lactate
- 皮肤调理剂
- Licorice Root Extract
- 保湿剂
- 1,2- Hexanediol
- BINDING
- Pullulan
- SKIN CONDITIONING
- Cassia Obtusifolia Seed ExtractAllantoin
Other ingredients
Skim through
| Ingredient | What it does | Irr. · Com. | Rating |
|---|---|---|---|
| Aronia Melanocarpa Fruit Extract | Not decoded yet | — | — |
| Ascorbic Acid 20.5% | Not decoded yet | — | — |
| Butylene Glycol | HUMECTANT, FRAGRANCE, SKIN CONDITIONING, SOLVENT, VISCOSITY CONTROLLING | 0 · 0 | Green |
| Sodium Lactate | BUFFERING, HUMECTANT, KERATOLYTIC | 0 · – | Green |
| Licorice Root Extract | 皮肤调理剂,抗氧化剂,舒缓剂 | 0 · 0 | Green |
| 1,2- Hexanediol | 保湿剂,皮肤调理剂 | 0 · 0 | Green |
| Pullulan | BINDING, FILM FORMING | 0 · 0 | Green |
| Sodium Hyaluronate | HUMECTANT, SKIN CONDITIONING | 0 · 0 | Green |
| Cassia Obtusifolia Seed Extract | SKIN CONDITIONING | 0 · – | Green |
| Allantoin | SKIN CONDITIONING, SKIN PROTECTING, SOOTHING | 0 · 0 | Green |
Ingredients explained
- Aronia Melanocarpa Fruit Extract
- Not decoded yet
- Ascorbic Acid 20.5%
- Not decoded yet
- Butylene Glycol
- Polyol humectant and solvent at 1–5%; aids solubilization, light feel
- Sodium Lactate
- Sodium lactate for moisturizing and exfoliation; pH buffering agent
- Licorice Root Extract
- Used for brightening, soothing, and antioxidant effects; botanical extract, combine with sunscreen for optimal brightening.
- 1,2- Hexanediol
- Humectant and preservative booster with light feel; commonly used at 1-3%.
- Pullulan
- Microbial polysaccharide for film forming and thickening; water-soluble film former used in capsules or moisturizing films.
- Sodium Hyaluronate
- Potent humectant at 0.1–2%; different MW for penetration depth, high levels may draw moisture
- Cassia Obtusifolia Seed Extract
- Cassia obtusifolia seed extract, contains anthraquinones; watch for pigmentation with high long-term use.
- Allantoin
- Skin soother at 0.5-2%; promotes cell regeneration
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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