EGF NAD Firming Serum 30ml

Not on the ingredient list below: fragrance or parfum, denatured or SD alcohol, essential oils, silicones, parabens, sulfate surfactants, mineral oil or petrolatum and added color.

Full INCI (60): Purified Water, Butylene Glycol, Dipropylene Glycol, Niacinamide, Xylitol, 1,2-Hexanediol, Glycereth-26, Ectoin, Carbomer, C12-14 Alketh-12, Tromethamine, Ethylhexylglycerin, Cocoa Seed Extract, Dextrin, Adenosine, Methyldiisopropylpropionamide, Disodium EDTA, Cyanocobalamin, Hydrogenated Phosphatidylcholine, sh-Oligopeptide-1 (2.5ppm), Glycerin, Rosehip Fruit Oil, Nicotinamide Adenine Dinucleotide (1ppm), Xylitylglucoside, Anhydroxylitol, Sorbitan Laurate, Lecithin, Caprylyl Glycol, Polyglyceryl-10 Laurate, Hydroxyethylcellulose, Acetyl Glutamine, Acetyl Dipeptide-1 Cetyl Ester, Hydrogenated Lecithin, Bacillus/Soybean Ferment Extract, Cranberry Extract, Bilberry Fruit Extract, Cranberry Extract, Lowbush Blueberry Extract, Ulmus Davidiana Root Extract, Elderberry Extract, Raspberry Extract, Strawberry Extract, Pueraria Lobata Root Extract, Pinus Palustris Leaf Extract, Evening Primrose Flower Extract, Acai Palm Fruit Extract, Collagen Extract, Palmitoyl Tripeptide-5, Hibiscus Flower Extract, Acetyl Hexapeptide-1, Acetyl Octapeptide-3, Sodium Hyaluronate, Folic Acid, Fig Extract, Glutathione, Copper Tripeptide-1, Oligopeptide-3, Oligopeptide-2, Oligopeptide-1, Hexapeptide-11

Ingredient list read from stylekorean.com on 10 September 2026.

47 of 60 explained

Purified Water solvent

Water is the base almost every serum, toner and cream is built on. It dissolves the water-loving ingredients and sets how light the finished texture feels. On an INCI list it is usually first, which only means it is the largest single ingredient by weight.

Butylene Glycol humectant

Butylene Glycol is a small glycol that does two jobs at once: it holds water in the top layer of skin and it dissolves plant extracts and actives that plain water cannot. It also thins a formula, which is why watery Korean essences lean on it.

Dipropylene Glycol humectant

Dipropylene Glycol is a glycol used as a solvent and a light humectant. Its main job is keeping the rest of the formula dissolved and the texture fluid rather than adding hydration of its own.

Niacinamide active

Niacinamide is vitamin B3, and it is the most studied active in Korean formulation. It is used at roughly 2 to 5 percent for the look of uneven tone and visible pores, and it is water soluble, stable and comfortable beside almost every other active, which is why it turns up in so many lists.

Xylitol humectant

Xylitol is a sugar alcohol humectant. It holds water in the outer layer of skin and is often paired with anhydroxylitol and xylitylglucoside as a hydration trio.

1,2-Hexanediol humectant

1,2-Hexanediol is a glycol used for two reasons: it holds water like glycerin, and it makes a formula harder for microbes to live in, so less traditional preservative is needed. Korean formulas use it heavily for that second reason.

Glycereth-26 humectant

Glycereth-26 is a modified glycerin that hydrates with far less stickiness than glycerin itself. It is a common way to load water into a formula that has to stay light.

Ectoin humectant

Ectoin is a small molecule that microbes in salt flats and hot springs make to survive extreme conditions. In skincare it holds water tightly around itself, which is why it appears in formulas aimed at reactive, easily dehydrated skin.

Carbomer thickener

Carbomer is a synthetic polymer that only gels once a base neutralises it, which is why arginine or tromethamine sits nearby on the list. It gives the clear, non-stringy gel texture a xanthan formula cannot reach.

C12-14 Alketh-12 emulsifier

C12-14 Alketh-12 is a solubiliser used to keep oils and fragrance dissolved in a water-based formula.

Tromethamine pH adjuster

Tromethamine neutralises acidic thickeners such as carbomer so they gel, and holds a formula near skin-friendly pH. It is used at a fraction of a percent.

Ethylhexylglycerin preservative booster

Ethylhexylglycerin softens skin and boosts a preservative system, which is why it is nearly always sitting beside phenoxyethanol or 1,2-hexanediol. It also cuts down the odour bacteria produce, so it turns up in deodorising products.

Market

Korean market, the version sold in Korea

EAN (barcode)

8800289467271

Made in

Republic of Korea

Volume

30 ml

Category

Serum & Ampoule

Actives

Adenosine, Collagen, Ectoin, Glutathione, Niacinamide, Peptides, Sodium Hyaluronate

Ships from

California or Korea

Orders ship from California or direct from Korea with tracked delivery to your door, and both routes carry the same Korean-market release. Shipping is free on orders of $100 or more. Returns are accepted for 30 days, by mail.

We split shipments free, so one out-of-stock item never holds up the rest of your order.

We stock the version of a formula that is sold in Korea, not the release a brand prepares for another market under the same name. The barcode in the specification above is the Korean-market one and it is printed on the box you receive.

Every unit keeps its original barcode and batch code intact, so the unit in your hands can be checked against the brand’s own records.

Every order ships from California or direct from Korea, and returns run for 30 days.

Every claim on this page traces to the unit in the box, the barcode, the batch code and the price you can read for yourself.