Dr. Mask Pore Tightening Sheet Mask 25ml X 10ea

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 (28): Water, Betula Platyphylla Japonica Juice, Glycerin, Butylene Glycol, Niacinamide, Camellia Sinensis Leaf Extract, Melaleuca Alternifolia (Tea Tree) Leaf Extract, 1,2-Hexanediol, Hydroxyacetophenone, Diospyros Kaki Leaf Extract, Vitis Vinifera (Grape) Fruit Extract, Coffea Arabica (Coffee) Seed Extract, Carthamus Tinctorius (Safflower) Flower Extract, Polygonum Cuspidatum Root Extract, Arginine, Carbomer, Castanea Crenata (Chestnut) Shell Extract, Zanthoxylum Piperitum Fruit Extract, Betaine, Allantoin, Hydroxyethylcellulose, Panthenol, Adenosine, Xanthan Gum, Ethylhexylglycerin, Disodium EDTA, Sodium Hyaluronate, Charcoal Powder

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

28 of 28 explained

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.

Betula Platyphylla Japonica Juice plant extract

Betula Platyphylla Japonica Juice is Asian white birch sap, tapped in spring. It is over 98 percent water with trace minerals and sugars, and Korean formulas use it in place of plain water as a hydrating base.

Glycerin humectant

Glycerin is the most used humectant in skincare. It draws water into the outer layer of skin and holds it there, and it is one of the very few ingredients whose hydrating effect is settled science rather than marketing. Higher amounts feel tacky, which is why it is usually blended.

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.

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.

Camellia Sinensis Leaf Extract plant extract

Camellia Sinensis is the tea plant. Green tea leaf extract carries catechins, among the most studied plant antioxidants, and is used for the look of redness and oily shine.

Melaleuca Alternifolia (Tea Tree) Leaf Extract plant extract

Tea Tree Leaf Extract is the water-based extract rather than the essential oil, so it is far milder and much less aromatic. It is used in formulas for blemish-prone skin.

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.

Hydroxyacetophenone preservative booster

Hydroxyacetophenone is an antioxidant that also strengthens a preservative system, so a formula needs less traditional preservative. Korean formulas pair it with 1,2-hexanediol constantly.

Diospyros Kaki Leaf Extract plant extract

Diospyros Kaki is the persimmon tree. Its leaf extract carries tannins and vitamin C and is used as an antioxidant extract.

Vitis Vinifera (Grape) Fruit Extract plant extract

Grape Fruit Extract carries polyphenols and fruit acids. It is used as an antioxidant plant extract.

Coffea Arabica (Coffee) Seed Extract plant extract

Coffee Seed Extract carries caffeine and chlorogenic acid. It is used as an antioxidant extract and, in eye and body formulas, for the look of puffiness.

Market

Korean market, the version sold in Korea

EAN (barcode)

8809348503424

Made in

Republic of Korea

Category

Mask

Actives

Adenosine, Allantoin, Birch Sap, Green Tea, Niacinamide, Panthenol, Sodium Hyaluronate, Tea Tree

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.