Fusidyne Derma Pore 4D Collagen Serum

What is this product?

Fusidyne's Derma Pore 4D Collagen Serum names two things and delivers one and a half. Four collagen forms really do sit consecutively at positions 15 through 18 of 51 ingredients, but topical collagen holds water at the surface rather than rebuilding anything underneath. The pore half is about elasticity in the brand's telling, backed by a human-use test it attributes to the line rather than to this serum, on a label carrying no salicylic acid, no niacinamide and no retinoid, and ending on 향료.

What makes it different?

Almost every pore serum on the shelf leads with an acid or niacinamide, and this one leads with polyols and sugar alcohols instead, xylitylglucoside, xylitol and xylose grouped high in the list, which makes it a humectant serum wearing a pore name. Eight astringent plant extracts run through the middle, persimmon leaf, grape, safflower, coffee bean, Japanese knotweed, green tea, chestnut shell and Sichuan pepper, none with a published amount or test. Palmitoyl tripeptide-5 sits at 45 and adenosine at 38. Fusidyne publishes no pH and no concentration for it, and the one human-use test it cites is attributed to the 더마 포어 line rather than to this serum. It comes in 50ml.

What is in it?

The full ingredient list as the brand publishes it, in the printed order. Each name links to what we know about that ingredient.

This brand publishes its ingredient list in Korean only. Names below are the matching INCI names from the Korean Cosmetic Association ingredient dictionary.

Key ingredientWorth a closer look

• Water
• Propanediol
• Methylpropanediol
• Dipropylene Glycol
• Squalane
• Glycerin
• Betaine
• Dipentaerythrityl Hexa C5-9 Acid Esters
• Polyglycerin-3
• 1,2-Hexanediol
• Xylitylglucoside
• Xylitol
• Xylose
• Sodium Hyaluronate
• Collagen
• Collagen Extract
• Hydrolyzed Collagen
• Soluble Collagen
• Diospyros Kaki Leaf Extract
• Vitis Vinifera (Grape) Fruit Extract
• Carthamus Tinctorius (Safflower) Flower Extract
• Coffea Arabica (Coffee) Seed Extract
• Polygonum Cuspidatum Root Extract
• Camellia Sinensis Leaf Extract
• Castanea Crenata (Chestnut) Shell Extract
• Zanthoxylum Piperitum Fruit Extract
• Neopentyl Glycol Diheptanoate
• Panthenol
• Trehalose
• Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
• Hydrogenated Lecithin
• Diphenyl Dimethicone
• Triethylhexanoin
• Tromethamine
• Sodium Dilauramidoglutamide Lysine
• Ethylhexylglycerin
• Sodium Polyacrylate
• Adenosine
• Sorbitan Isostearate
• Anhydroxylitol
• Glyceryl Acrylate/Acrylic Acid Copolymer
• Sodium Phytate
• Butylene Glycol
• Beta-Glucan
• Palmitoyl Tripeptide-5
• Arginine
• Cyanocobalamin
• Tocopherol
• Carbomer
• Xanthan Gum
• Fragrance

Ingredients with no mark are ones we found nothing notable about, and when marks overlap on one ingredient we show the caution first.

We could not place these in the list above: Dipentaerythrityl Hexa C5-9 Acid Esters, Neopentyl Glycol Diheptanoate, Triethylhexanoin, Sorbitan Isostearate

Did the ad claims hold up?

We checked the one line this product advertises against the ingredient list and public documents. None of them hold up on their own. They are partly right at best.

Claims translated from Korean, originals preserved.

Each line is quoted as the brand published it, and each one was read on its own against the ingredient list and the documents the brand publishes.

How we read these lines