Oh! So Cool Calming 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 (39): Water, Dipropylene Glycol, Glycerin, 1,2-Hexanediol, Hydroxyacetophenone, Panthenol, Butylene Glycol, Trehalose, Betaine, Eclipta Prostrata Leaf Extract, Laminaria Japonica Extract, Disodium EDTA, Methyl Diisopropyl Propionamide, Carbomer, Fructooligosaccharides, Portulaca Oleracea Extract, Allantoin, Xanthan Gum, Sodium Hyaluronate, Tromethamine, Polyglyceryl-10 Laurate, Camellia Sinensis Leaf Extract, Hydrogenated Lecithin, Beta-Glucan, Hydrolyzed Hyaluronic Acid, Artemisia Princeps Leaf Extract, Centella Asiatica Extract, Hamamelis Virginiana (Witch Hazel) Extract, Houttuynia Cordata Extract, Melaleuca Alternifolia (Tea Tree) Leaf Extract, Trifolium Pratense (Clover) Extract, Cetraria Islandica Extract, Erythritol, Madecassic Acid, Asiaticoside, Nelumbo Nucifera Leaf Extract, Saccharomyces Ferment Filtrate, Cryptomeria Japonica Leaf Extract, Asiatic Acid

Ingredient list read from 7dasmc-xz.myshopify.com on 13 September 2026.

38 of 39 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.

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.

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.

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.

Panthenol humectant

Panthenol is pro-vitamin B5: skin converts it to pantothenic acid. It is a humectant that holds water and leaves skin feeling soft and less tight, and it is one of the ingredients formulators reach for when a formula also contains something harsh.

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.

Trehalose humectant

Trehalose is a sugar that some desert plants use to survive drying out. In skincare it is a humectant that holds water in the outer layer and helps a formula feel comfortable rather than tight.

Betaine humectant

Betaine is a sugar-beet-derived humectant that cells use to hold water. In a formula it hydrates and takes the edge off cleansers and acids, which is why it often appears alongside them.

Eclipta Prostrata Leaf Extract plant extract

Eclipta Prostrata is false daisy, long used in Ayurvedic and East Asian practice. Its extract is used as a conditioning plant extract, most often in scalp and hair formulas.

Laminaria Japonica Extract plant extract

Laminaria Japonica is kombu kelp. Its extract carries alginates, minerals and iodine, and it is used as a hydrating, mineral-rich ingredient.

Disodium EDTA chelator

EDTA is a chelator: it locks up trace metal ions from water and packaging that would otherwise turn a formula cloudy, off-colour or rancid. It does nothing to skin and appears at a fraction of a percent.

Made in

Republic of Korea

Category

Mask

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.

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.