# VT Cosmetics Vitamin C Astaxanthin Serum

Vitamin C Astaxanthin Serum, 30ml, authentic Korean-market VT Cosmetics formula.

- Brand: VT Cosmetics
- Product: Vitamin C Astaxanthin Serum
- Price: $26.99
- Availability: Out of stock
- Size: 30ml
- Market: Korean market, the version sold in Korea
- Made in: Republic of Korea
- Category: Serums & Ampoules

## Key benefits

- Niacinamide listed fifth on the ingredient list, tone and texture
- Arginine listed 15th on the ingredient list, pH balance, moisture support
- Sodium Hyaluronate listed 18th on the ingredient list, hydration
- Squalane listed 21st on the ingredient list, lightweight emollient
- Positioned as a step zero booster ahead of serum in VT's Reedle Shot format
- Meant to be layered under whatever serum or cream a routine already runs

## How it works

Vitamin C Astaxanthin Serum is built as a step zero booster, the layer VT's Reedle Shot line places before serum rather than after it. The ingredient list places Niacinamide at fifth, Arginine at 15th, Sodium Hyaluronate at 18th, which is the formula's own account of where its real weight sits rather than a headline claim. Hydration-focused ingredients round out the rest of the list, giving the formula a moisture-supporting base under its lead actives. Used before serum, it is meant to prime the skin so what follows settles rather than sitting on the surface. VT sells this as the core entry in its Reedle Shot family, and the formula is meant to be layered under whatever serum or cream a routine already runs.

## How to use

1. Use it between toner and cream, morning or evening.
2. A pump patted over the face rather than rubbed in.
3. In the morning, sunscreen goes over the top as the last step.
4. Do not use it alongside another tone serum; one of them is doing the work.

## Ingredients

Citrus Junos Fruit Water, Butylene Glycol, Glycerin, Water, Niacinamide, Dipropylene Glycol, Propanediol, 1,2-Hexanediol, Isononyl Isononanoate, Isopentyldiol, Polyglyceryl-10 Laurate, Ammonium Acryloyldimethyltaurate/Vp Copolymer, Caprylic/Capric Triglyceride, Arginine, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Coptis Japonica Root Extract, Sodium Hyaluronate, 3-O-Ethyl Ascorbic Acid, Ethylhexylglycerin, Squalane, Castor Oil/Ipdi Copolymer, Adenosine, Hydrogenated Poly(C6-20 Olefin), Ubiquinone, Sodium Phytate, Lithospermum Erythrorhizon Root Extract, Citrus Junos Peel Oil, Hdi/Trimethylol Hexyllactone Crosspolymer, Tromethamine, Astaxanthin, Ascorbic Acid, Panthenol, Sodium Ascorbyl Phosphate, Tocopherol, Ascorbyl Glucoside, Ferulic Acid, Kojic Acid, Hydroxypropyltrimonium Hyaluronate, Hydrogenated Lecithin, Polyglyceryl-3 Methylglucose Distearate, Citrus Junos Fruit Extract, Glutathione, Hydrolyzed Hyaluronic Acid, Sodium Acetylated Hyaluronate, Hyaluronic Acid, Hydrolyzed Sodium Hyaluronate, Sodium Hyaluronate Crosspolymer, Disodium Edta, Potassium Hyaluronate, Ceramide NP, Limonene

## FAQ

### What is the VT Cosmetics Vitamin C Astaxanthin Serum for?

It is a step zero booster ampoule in VT's Reedle Shot family, with Niacinamide listed fifth on the ingredient panel. The formula runs a centella-family and hydration base underneath, and it is meant to be used as a consistent step rather than a single fast fix.

### What does the Vitamin C Astaxanthin Serum actually do for skin?

Arginine sits 15th on the list, close enough to the front that it is doing real work rather than trace-level formulation. Between Niacinamide at fifth and Arginine at 15th, this formula leans toward tone, texture and comfort together rather than a single narrow claim.

### How and when should I use the Vitamin C Astaxanthin Serum?

Used as a step zero, it goes on right after cleansing and before serum, so it settles into the skin ahead of anything heavier rather than sitting on top of a finished routine. A small amount pressed in with clean hands is enough, morning or night, and there is no need to wait for it to fully dry before layering the next step.

### Is the Vitamin C Astaxanthin Serum suitable for sensitive skin?

This formula's own ingredient list leans toward comfort and everyday tolerability rather than an aggressive exfoliating routine, so most skin types adjust to it without much fuss. A patch test on the inner arm is still the safer first step with any new formula.

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