Heimish
Marine Care Retinol For Face Serum 50ml
Heimish's Marine Care Retinol For Face Serum 50ml is a serum that puts Retinol to work rather than burying it on a long ingredient list.
No reviews yet50 ml
$145.00 per 100 ml
- Korean-market formula
- Ships from California or direct from Korea
- Korean barcode and batch code intact
- Suited to
- Dry skinCompromised barrierDehydrated skinSensitive skin
- Helps with
- Shoppers looking for Retinol in a serumRoutines that want Retinol and Niacinamide in one stepFilling the serum step with a Korean-market formulaAnyone who wants the Retinol serum sold on Korean shelves
In stock. Arrives in 3 to 7 business days
We accept
You’re $100.00 away from free US shipping.
- 30-day returns
- Free US shipping on orders of $100 or more
- Tracked delivery to your door
How it works
The Marine Care Retinol For Face Serum is a 50ml serum, used after toner and before moisturizer, morning and evening. The active it is built around is Retinol, named fifteenth on its own ingredient list. The same list carries Niacinamide, Adenosine and Hydrolyzed Sponge, so the active is not the only thing on it worth naming. How much of the Retinol stays on the skin, and for how long, is decided by the serum format rather than by the list alone. This is the Original Korean Formula, the serum Heimish sells in Korea, Retinol and all.
Key benefits
- Retinol, the active this serum is built around
- Niacinamide, Adenosine and Hydrolyzed Sponge on the same list, actives
- Pentaerythrityl Tetra-di-t-butyl Hydroxyhydrocinnamate on the same list, an antioxidant
- Tris(Tetramethylhydroxypiperidinol) Citrate and Cholesterol further down the same list
- Biosaccharide Gum-1 and Undaria Pinnatifida Extract further down the same list
- Retinol named fifteenth on the manufacturer list printed on this page
Inside the formula
Inside the formula
Where does this serum go in my routine?
After toner and before moisturizer, morning and evening. Anything thinner than a serum goes on before it, and anything richer goes on after. If you are adding it to a routine you already like, give it a week on its own first, so what you see is the Retinol and not three changes at once.
Is this the Korean-market serum or a US version?
The Korean-market one, Retinol and all. We match this serum to its Korean barcode before it reaches the shelf, which is the check that tells you which market release you are holding.
Does this serum contain fragrance?
Yes. The ingredient list names Fragrance. It sits on the panel printed on this page, so you can read the position for yourself before you buy. If fragrance components are something you avoid, this serum is not the one.
What else is on the list besides Retinol?
Niacinamide, Adenosine and Hydrolyzed Sponge. The order they are printed in on this serum's panel is the order on the box, so you can see where Retinol sits relative to them. Further down the same panel: Pentaerythrityl Tetra-di-t-butyl Hydroxyhydrocinnamate, Tris(Tetramethylhydroxypiperidinol) Citrate and Cholesterol.
Not on the ingredient list below: denatured or SD alcohol, essential oils, parabens, sulfate surfactants, mineral oil or petrolatum and added color.
Full INCI (56): Water, Undaria Pinnatifida Extract, Hizikia Fusiforme Extract, Laminaria Japonica Extract, Ecklonia Cava Extract, Hydrogenated Lecithin, 1,2-Hexanediol, Glycerin, Propanediol, Niacinamide, Hydrogenated Polydecene, Butylene Glycol, Caprylic/Capric Triglyceride, Cholesterol, Retinol, Macadamia Ternifolia Seed Oil, Brassica Campestris (Rapeseed) Sterols, Phytosteryl/Behenyl/Octyldodecyl Lauroyl Glutamate, Polyglyceryl-10 Laurate, Potassium Cetyl Phosphate, Chitosan, Aluminum/Magnesium Hydroxide Stearate, Pentaerythrityl Tetra-di-t-butyl Hydroxyhydrocinnamate, Tris(Tetramethylhydroxypiperidinol) Citrate, Cetearyl Alcohol, Biosaccharide Gum-1, Ethylhexylglycerin, Polyglyceryl-3 Distearate, Glyceryl Stearate Citrate, Butyrospermum Parkii (Shea) Butter, Sodium Hyaluronate, Glycol Stearate SE, Stearic Acid, Phenyl Trimethicone, Sorbitan Stearate, Hydrogenated Polyisobutene, Simethicone, Panthenol, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Sorbitan Isostearate, Polvsorbate 60, Coptis Japonica Extract, Hydroxyacetophenone, Carbomer, Tromethamine, Fragrance, Adenosine, Disodium EDTA, Theobroma Cacao (Cocoa) Seed Extract, Dextrin, Gelidium Cartilagineum Extract, Chlorella Minutissima Extract, Plankton Extract, Sargassum Fulvellum Extract, Hydrolyzed Sponge, Spirulina Platensis Extract
Ingredient list read from jolse.com on 10 September 2026.
55 of 56 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.
- Undaria Pinnatifida Extract plant extract
- Extract of the brown seaweed Korean cooking calls miyeok. It carries fucoidan and alginates, both strong water-holding polysaccharides.
- Hizikia Fusiforme Extract plant extract
- Tot, a Korean brown seaweed eaten as a side dish. Its extract is mineral rich and used as a hydrating marine ingredient.
- 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.
- Ecklonia Cava Extract plant extract
- Ecklonia Cava is gamtae, a brown seaweed harvested off Jeju. It carries phlorotannins, an antioxidant group found only in brown algae, and it is used as a marine antioxidant extract.
- Hydrogenated Lecithin emulsifier
- Hydrogenated Lecithin is lecithin with its unsaturated bonds filled in, which makes it far more stable. It emulsifies and is the standard shell for the liposomes that carry actives into the outer layer of 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.
- 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.
- Propanediol humectant
- Propanediol is a plant-derived glycol used in place of propylene glycol. It hydrates, carries actives into solution, and gives a lighter, less sticky slip than glycerin at the same strength.
- 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.
- Hydrogenated Polydecene emollient
- Hydrogenated Polydecene is a synthetic hydrocarbon emollient used in place of mineral oil. It is stable, has no scent, and gives a cushioned slip without oxidising.
- 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.
43 more explained
- Caprylic/Capric Triglyceride emollient
- Caprylic/Capric Triglyceride is the light fraction of coconut oil, with the heavy parts removed. It is the workhorse emollient of modern formulas: it softens skin, dissolves oil-soluble actives and absorbs without the greasy weight of a whole plant oil.
- Cholesterol barrier lipid
- Cholesterol is the third of the three lipids the outer layer of skin is built from, with ceramides and fatty acids. Formulas that carry all three are following the ratio skin itself holds.
- Retinol active
- Retinol is the alcohol form of vitamin A and the strongest retinoid available without a prescription. Skin converts it in two steps to retinoic acid, and it is used at night, at low percentages, for the look of fine lines and rough texture. It can leave skin flaking while it acclimatises.
- Macadamia Ternifolia Seed Oil emollient
- Macadamia Seed Oil is unusually high in palmitoleic acid, a fatty acid that human sebum also contains, which is why it absorbs faster than most nut oils. It is a cushioning emollient for dry skin.
- Brassica Campestris (Rapeseed) Sterols emollient
- Phytosterols are plant sterols, structurally close to the cholesterol in skin's own lipid layer. They soften skin and help the oil phase of a formula hold together.
- Phytosteryl/Behenyl/Octyldodecyl Lauroyl Glutamate barrier lipid
- An amino-acid-based lipid built on plant sterols. It structures the oil phase of a cream and echoes the lipid mix that already sits between skin cells.
- Polyglyceryl-10 Laurate emulsifier
- Polyglyceryl-10 Laurate is a sugar-derived emulsifier and solubiliser, mild enough to be a standard choice in Korean essences. It dissolves small amounts of oil into water without any tightening feel.
- Potassium Cetyl Phosphate emulsifier
- Potassium Cetyl Phosphate is an emulsifier prized for keeping powdered ingredients evenly suspended, which is why tinted and mineral-powder textures use it.
- Chitosan film former
- Chitosan comes from the shells of crustaceans. It carries a positive charge, so it clings to skin and hair as a thin film, and it is a shellfish-derived ingredient.
- Aluminum/Magnesium Hydroxide Stearate dispersant
- A mineral soap used to suspend powders and thicken an oil phase, which is what stops pigment settling to the bottom of a bottle.
- Pentaerythrityl Tetra-di-t-butyl Hydroxyhydrocinnamate antioxidant
- This is a stabiliser that keeps the oils and fragrance in a formula from oxidising. Its job is the shelf life of the product rather than any effect on skin.
- Tris(Tetramethylhydroxypiperidinol) Citrate antioxidant
- A hindered-amine antioxidant used to keep a formula from breaking down in light and air. It works on the product rather than on skin.
- Cetearyl Alcohol fatty alcohol
- Cetearyl Alcohol is a waxy solid, not the drying kind of alcohol. It is a blend of cetyl and stearyl alcohols used to thicken a cream and keep oil and water from separating, and it softens skin as it does so.
- Biosaccharide Gum-1 polysaccharide
- Biosaccharide Gum-1 is a fermentation-derived sugar polymer that binds to skin and holds a moisture film in place. It gives a silky, non-tacky feel.
- 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.
- Polyglyceryl-3 Distearate emulsifier
- Polyglyceryl-3 Distearate is a plant-derived emulsifier used to hold oil and water together in creams and lotions.
- Glyceryl Stearate Citrate emulsifier
- Glyceryl Stearate Citrate is a mild, citrate-modified emulsifier. It holds oil and water together and is chosen for formulas aimed at reactive skin.
- Butyrospermum Parkii (Shea) Butter emollient
- Shea Butter is the fat pressed from the shea nut, rich in oleic and stearic acids and unsaponifiable plant sterols. It is a heavy emollient and partial occlusive, which is why it sits in balms and night creams rather than in essences.
- Sodium Hyaluronate humectant
- Sodium Hyaluronate is the salt of hyaluronic acid, and it is what most products labelled hyaluronic actually contain. The salt dissolves more readily and the molecule is smaller, so it sits in the outer layer of skin rather than only on top of it.
- Glycol Stearate SE emulsifier
- Glycol stearate supplied self emulsifying, which is what SE records: a little soap is already included so it disperses without a second emulsifier. It also gives a pearlised look.
- Stearic Acid fatty acid
- Stearic Acid is a saturated fatty acid from plant fats, and one of the three lipid classes skin's own barrier is built from. In a formula it thickens, stabilises the emulsion and can be turned into a soap-style cleanser by adding a base.
- Phenyl Trimethicone silicone
- Phenyl Trimethicone is a silicone with a higher refractive index than most, so it adds visible gloss as well as slip. It is common in glow and lip textures.
- Sorbitan Stearate emulsifier
- Sorbitan Stearate is a mild emulsifier and thickener used to hold oil and water together in creams.
- Hydrogenated Polyisobutene emollient
- Hydrogenated Polyisobutene is a stabilised synthetic hydrocarbon used in place of mineral oil. It is an emollient that leaves a smooth, cushioned film.
- Simethicone silicone
- A silicone that breaks surface foam. In skincare its job is usually to stop a formula foaming during manufacture rather than anything it does on skin.
- 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.
- Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer thickener
- This is the thickener behind most gel-cream textures. It builds a soft, bouncy gel that collapses to a light fluid as it is rubbed in.
- Sorbitan Isostearate emulsifier
- Sorbitan Isostearate is a mild emulsifier that holds water into oil, the direction a cleansing balm or an oil-based cream needs.
- Coptis Japonica Extract plant extract
- Japanese goldthread extract, the whole plant rather than only the root. It carries berberine, is bright yellow, and is used for the look of congested skin.
- 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.
- 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.
- 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.
- Fragrance fragrance
- Fragrance, or Parfum, is a single declaration standing for a whole scent blend, which can be dozens of materials. Regulators allow it as a trade secret, so a list showing only this word does not say what the scent is made of. It is the most common trigger named by people with reactive skin.
- Adenosine active
- Adenosine is a nucleoside that Korea's own cosmetic authority recognises as a wrinkle-care functional ingredient, which is why it appears on so many Korean lists at a low level. It is used for the look of fine lines and is stable and well tolerated.
- 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.
- Theobroma Cacao (Cocoa) Seed Extract plant extract
- Cocoa Extract carries polyphenols and a little caffeine. It is used as an antioxidant plant extract and gives a faint warm tint.
- Dextrin thickener
- Dextrin is a starch fragment used to thicken and to give a formula a light, powdery finish. It is also a common carrier for powdered extracts.
- Gelidium Cartilagineum Extract plant extract
- A red seaweed extract from the genus agar is made from. It thickens and hydrates and leaves a cushioned film.
- Chlorella Minutissima Extract plant extract
- Extract of a very small single celled green algae. It carries chlorophyll, amino acids and polysaccharides and is used as a conditioning marine extract.
- Plankton Extract plant extract
- Extract of marine plankton, usually a cultured microalgae. It carries amino acids, sugars and minerals from sea water and is used as a conditioning marine extract.
- Sargassum Fulvellum Extract plant extract
- Mojaban, a Korean brown seaweed. Its extract carries alginates, minerals and polyphenols and is used as a hydrating marine ingredient.
- Hydrolyzed Sponge active
- Hydrolyzed Sponge is processed freshwater sponge, which carries fine silica spicules. In a formula it works as a mild physical exfoliant.
- Spirulina Platensis Extract plant extract
- Spirulina is a blue-green microalga, unusually high in protein. Its extract carries amino acids and the blue pigment phycocyanin, which can tint a formula.
- Market
- Korean market, the version sold in Korea
- EAN (barcode)
- 8809481762443
- Made in
- Republic of Korea
- Volume
- 50 ml
- Category
- Serum & Ampoule
- Actives
- Adenosine, Niacinamide, Panthenol, Retinol, Shea Butter, 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.
Where this unit came from
- 1Seoul
Bought as Korean-market stock - 2Barcode
Listed against the Korean barcode on its box - 3California or Korea
Ships to you from either, as the same Korean-market release
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.
How to use
- After toner, while skin is still slightly damp, apply Marine Care Retinol For Face Serum 50ml to the face and neck.
- Press gently with your palms rather than rubbing, so it has a moment to absorb.
- Follow with moisturiser once it has sunk in.
Worth knowing
- Patch test this serum on a small area and wait a day before using it more widely, especially with Retinol on the list.
- This list names Fragrance, so skip it if fragrance components are something you avoid.
- Retinol is on this list, so keep this serum to the evening and build the nights up slowly rather than starting nightly.
Complete the routine
- This itemHeimish Marine Care Retinol For Face Serum 50ml$72.50
- From the same Korean-market lineheimish Artless Glow Base SPF 50+ PA+++ 40ml$45.00
- Cleanse first, so the next step meets bare skinheimish All Clean White Clay Foam 150g$17.50
Total for 3 items$135.00
Reviews
No reviews yet. Tell us how much you love the product!
Write a reviewWrite a review
heimish Marine Care Retinol For Face Serum 50ml
How it felt, how your skin took it, what you layer it with. Straight answers help the next person choose.
We’re on gram!
Creators trying on authentic Korean skincare routines and products from us.
Rating a shelf of Dr. Althea products one by one.
Jasmine Loo · YouTube
Two hydrating serums side by side, IUNIK and Dr. Althea.
Kristin · YouTube
A walk through the Dr. Althea serum lineup and who each one suits.
auraofmahmuda · YouTube
A blunt first take on the Dr. Althea range.
Lexi Chang · YouTube
A first look at the viral 345 Relief Cream before buying.
Shelley Nayak · YouTube
A first try of the Dr. Althea serum on camera.
Hannah Ziad · YouTube
Heimish, Korean-market original
Heimish Marine Care Retinol For Face Serum 50ml: a serum built around Retinol, sourced as the authentic Korean-market formula.
Verify your unit when it arrives
Verify your unit when it arrives
Korean-market stock with the original barcode and batch code intact, exactly as it left Korea.
On the unit itself
- The Korean-market barcode, unaltered from the retail package.
- The manufacturer’s batch code, exactly as the maker printed it.
정품Genuine article, Korean-market stock
What professionals say
What professionals say
What skin-care professionals say about skin care, quoted from the medical sources linked beside each.
Your skin barrier is basically your outer layer of the skin.
Melissa Piliang, MDDermatologist, Cleveland Clinic Pretty much every step of a Korean skin care routine is going to have some component of hydration.
Alok Vij, MDDermatologist, Cleveland Clinic
Ask an AI assistant about this product
Ask an AI assistant about this product
Opens ChatGPT, Perplexity or Claude in a new tab with the question prefilled. Claude asks you to sign in first.