1st on the list, which puts it at an estimated 30–80% of the formula.
Aqua (EU),Deionized Water,Distilled Water,Micromatrix Fractile AN,Onsen-Sui (JPN),Purified Water
Medicube
Glutathione Glow Serum
face serum
Medicube
face serum
Added Last edited
Fit by skin type
General, ingredient-based — not your personalized match.
See how this fits your skin
Take the skin test and I'll show you how suitable this product is for you.
Take the skin testDiscover radiant, even-toned skin with the Medicube Glutathione Glow Serum. This lightweight serum is enriched with powerful glutathione to help brighten dull skin, reduce discoloration, and promote a healthy glow. Its fast-absorbing formula delivers hydration while targeting uneven skin tone for a visibly luminous complexion. Ideal for daily use, this serum works for all skin types and can be layered under moisturizers or makeup.
Glutathione Glow Serum is a lightweight serum from Medicube, a brand based in Korea. The formula is built mainly around hydration. The ingredient list runs to 53 ingredients, each broken down in full below.
By its ingredient list the formula reads as light: water and humectants lead, with emollients kept lower in the order. Silicones in the formula tend to give a smooth, blurred finish and help it grip under makeup. Hydration is handled by Glycerin, Butylene Glycol and Methylpropanediol, humectants that pull water into the upper layers of skin rather than sealing it there.
Hydration: Very high. Ingredients that pull and hold water in the upper layers of skin, and here that comes from Glycerin, Butylene Glycol, Methylpropanediol and Betaine.
Soothing: Moderate. Ingredients aimed at visible redness and reactivity, and here that comes from Panthenol, Niacinamide, Adenosine and Sodium Hyaluronate.
Barrier support: Moderate. Lipids and repair signals that support skin barrier integrity, and here that comes from Niacinamide, Hydrogenated Lecithin and Panthenol.
Oil control: Moderate. Ingredients that moderate sebum or absorb shine, and here that comes from Niacinamide and Dextrin.
On richness alone it suits Balanced, Combination (oily) and Oily skin best, and is the least natural fit for Dry and Combination (dry) skin. Nothing in the list is flagged as a common irritant, which is a reasonable starting point for reactive skin — though a patch test is still the only way to know.
The formula contributes little or nothing on antioxidant protection and cell renewal. That is not a fault — most products are not meant to do everything — but if one of those is your priority, this is not the product that will address it.
Reading the full list, the formula is essential-oil-free, no drying alcohol, paraben-free, microplastic-free, sulfate-free and dye-free. Those claims come from the ingredient list itself, not from the packaging. It does contain fragrance, worth knowing if your skin reacts to any of them.
It can be used morning and evening. In a routine it goes after toner, before moisturiser. Apply to clean, dry skin and give it a minute to absorb before the next layer. Introduce one new treatment at a time so you can identify what is working.
This summary is generated from the product's ingredient list. It is not a review, it is not the brand's own marketing claims, and it does not replace advice from a dermatologist.
Drawn purely from the ingredient list
Scored on how rich or light the formula reads from its INCI order.
No ingredient in this formula carries a common-irritant flag, making it a reasonable option for reactive skin. A patch test is still recommended, as individual skin reactivity varies.
Based on the curated benefits documented for this product's ingredients.
Attracts and locks in moisture to keep skin plump and dewy
Boosts collagen and cell turnover to reduce fine lines and wrinkles
Calms redness, irritation, and inflammation for sensitive skin
Regulates sebum production to reduce shine and greasiness
Tightens and refines the look of enlarged pores
None of the ingredients in this formula are associated with these benefits. This is not unusual, as most products are designed to target a limited number of concerns.
The actives, UV filters and benefit-carrying ingredients in this formula, in the order they are listed.
1st on the list, which puts it at an estimated 30–80% of the formula.
Aqua (EU),Deionized Water,Distilled Water,Micromatrix Fractile AN,Onsen-Sui (JPN),Purified Water
2nd on the list, which puts it at an estimated 5–20% of the formula.
Glycerine ;Glycerol (INN); Glycerol (RIFM); Glycerolum (EP); Glycyl Alcohol; 1,2,3-Propanetriol; 1,2,3-Trihydroxypropane
3rd on the list, which puts it at an estimated 5–20% of the formula.
.Poly(oxy-1,2-ethanediyl), .alpha.-hydro-.omega.-hydroxy-, (8 mol EO average molar ratio)
4th on the list, which puts it at an estimated 2–10% of the formula.
Niacinamide (vitamin B3) is a gentle skincare active that repairs the skin barrier, calms redness, controls oil and evens tone at 2–5%. Official IUPAC name: **3-Pyridinecarboxamide**
5th on the list, which puts it at an estimated 2–10% of the formula.
Butane-1,3-diol (CAS No. 107-88-0/ EC No. 203-529-7) (R)-(-)-butane-1,3-diol” (CAS No. 6290-03-5/ EC No. 228-532-0)
6th on the list, which puts it at an estimated 2–10% of the formula.
2-Methyl-1,3-propanediol
8th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Poly(oxy-1,2-ethanediyl), .alpha.-hydro-.omega.-hydroxy-, ether with methyl .beta.-d-glucopyranoside (4:1)
9th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Poly(oxy-1,2-ethanediyl)], .alpha.,.alpha.',.alpha.''-1,2,3-propanetriyltris[.omega.-hydroxy-
10th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Bis-Peg-18 Methyl Ether Dimethyl Silane is a dimethyl silane ethoxylated methyl diether containing an average of 36 moles of ethylene oxide
11th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Methanaminium, 1-carboxy-N,N,N-trimethyl-, hydroxide, inner salt
15th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Propane-1,2,3-triyl 2-ethylhexanoate
16th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
1,2-Propanediol, 3-(2-ethylhexyloxy)
Each axis is scored from the ingredients present and how high up the list they sit.
Ingredients that pull and hold water in the upper layers of skin
Lipids and repair signals that support skin barrier integrity
Ingredients that mop up free radicals from UV and pollution
Ingredients that moderate sebum or absorb shine
Ingredients that act on uneven tone and post-inflammatory marks
Ingredients aimed at visible redness and reactivity
Retinoids, acids and enzymes that speed surface turnover
Peptides and growth factors that signal for collagen support
"Active" here means an ingredient carrying a recorded active type or a recognised UV filter.
Solvents, emollients, texture agents and preservatives — the formula that carries the actives.
Read from the full ingredient list. A brand's own claim may differ.
Parfum
Diphenyl Dimethicone
Collagen, Hydrolyzed Silk
Judged by the same curated rules our routine checker uses. It reads the ingredients, not the label.
Nothing in this formula belongs to a group our rules can put in conflict, so it layers freely. Order still matters — thinnest texture first.
This product is the "Treat" step.
Flags to check, not verdicts. None of this is medical advice — if you are pregnant, breastfeeding or treating a skin condition, ask a doctor.
Most ingredients do more than one job, so these counts add up to more than the 53 ingredients on the label.
Draws water into the upper layers of skin
Sets the thickness, spread and stability of the formula
Changes how skin behaves rather than how it feels
Botanical material, usually for antioxidants or scent
Dissolves and carries everything else
Softens and smooths by filling gaps between skin cells
Lifts oil and dirt, or holds oil and water together
Forms a film that slows water loss
Amino-acid chains that signal for repair or firmness
Neutralises free radicals from UV and pollution
Calms visible redness and irritation
Changes how the product smells or looks
Binds trace metals that would otherwise spoil the formula
Sets the acidity the formula needs to work
Keeps the product free of microbial growth
Every ingredient on the label, in order, with what it does and roughly how much of it is likely to be there.
1st on the list, which puts it at an estimated 30–80% of the formula.
Aqua (EU),Deionized Water,Distilled Water,Micromatrix Fractile AN,Onsen-Sui (JPN),Purified Water
2nd on the list, which puts it at an estimated 5–20% of the formula.
Glycerine ;Glycerol (INN); Glycerol (RIFM); Glycerolum (EP); Glycyl Alcohol; 1,2,3-Propanetriol; 1,2,3-Trihydroxypropane
3rd on the list, which puts it at an estimated 5–20% of the formula.
.Poly(oxy-1,2-ethanediyl), .alpha.-hydro-.omega.-hydroxy-, (8 mol EO average molar ratio)
4th on the list, which puts it at an estimated 2–10% of the formula.
Niacinamide (vitamin B3) is a gentle skincare active that repairs the skin barrier, calms redness, controls oil and evens tone at 2–5%. Official IUPAC name: **3-Pyridinecarboxamide**
5th on the list, which puts it at an estimated 2–10% of the formula.
Butane-1,3-diol (CAS No. 107-88-0/ EC No. 203-529-7) (R)-(-)-butane-1,3-diol” (CAS No. 6290-03-5/ EC No. 228-532-0)
6th on the list, which puts it at an estimated 2–10% of the formula.
2-Methyl-1,3-propanediol
7th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
8th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Poly(oxy-1,2-ethanediyl), .alpha.-hydro-.omega.-hydroxy-, ether with methyl .beta.-d-glucopyranoside (4:1)
9th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Poly(oxy-1,2-ethanediyl)], .alpha.,.alpha.',.alpha.''-1,2,3-propanetriyltris[.omega.-hydroxy-
10th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Bis-Peg-18 Methyl Ether Dimethyl Silane is a dimethyl silane ethoxylated methyl diether containing an average of 36 moles of ethylene oxide
11th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Methanaminium, 1-carboxy-N,N,N-trimethyl-, hydroxide, inner salt
12th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
2-Propenoic acid, polymer with 2,2-bis(hydroxymethyl)propane-1,3-diol 2-propenyl ether
13th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Silicones and siloxanes, dimethyl, diphenyl
14th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
1,3-Propanediol, 2-amino-2-(hydroxymethyl)-
15th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Propane-1,2,3-triyl 2-ethylhexanoate
16th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
1,2-Propanediol, 3-(2-ethylhexyloxy)
17th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Poly(oxy-1,2-ethanediyl), .alpha.-carboxymethyl-.omega.-hydroxy-, C12-14-isoalkyl ethers, sodium salts (7 mol EO average molar ratio)
18th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Parfum is a term for ingredient labelling used to identify that a product contains a material or a combination of materials normally added to a cosmetic to produce or to mask a particular odour. According to Article 19 of the Cosmetics Regulation, 'Perfume and aromatic compositions and their raw materials shall be referred to by the terms ‘parfum’ or ‘aroma’. '
19th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Glycine, N-(N-L-.gamma.-glutamyl-L-cysteinyl)-
20th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Xanthan gum
21st on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Lecithins, hydrogenated
22nd on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
6-Amino-9-beta-D-ribofuranosyl-9H-purine
23rd on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Coptis Japonica Extract is the extract of the whole plant of Coptis japonica, Ranunculaceae
24th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
ester of decaglycerol and oleic acid
25th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Disodium dihydrogen ethylenediaminetetraacetate
26th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Invert sugar; the product of hydrolysis of sucrose. It consists mainly of glucose and fructose
27th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
1,2,3-Propanetriol, homopolymer, dodecanoates (1:1) (10 mol glycerol average molar ratio)
28th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Butanamide, 2,4-dihydroxy-N-(3-hydroxypropyl)-3,3-dimethyl-, (2R)-; dl-Panthenol
29th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Collagens. A fibrous protein comprising one third of the total protein in mammalian organisms. It is a polypeptide containing three peptide chains and rich in proline and hydroxyproline
30th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Theobroma Cacao Seed Extract is the extract of the seeds of the Cocoa, Theobroma cacao L., Sterculiaceae
31st on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Dextrin
32nd on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Hyaluronic acid, sodium, salt
33rd on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Stellaria Media Extract is an extract of the herb of the Chickweed, Stellaria media (L.), Caryophyllaceae
34th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Sorbitan laurate
35th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Prunella Vulgaris Extract is the extract of the whole plant, Self Heal, Prunella vulgaris L., Labiatae
36th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Lactobacillus Ferment is the product obtained from the fermentation of Lactobacillus.
37th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Fucus Vesiculosus Extract is an extract of the dried thallus of the Bladderwrack, Fucus vesiculosus L., Fucaceae
38th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Cellulose, 2-hydroxyethyl ether
39th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Tyrosine acetate and arginine, hexadecyl ester, dipeptide
40th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Lycopodium Clavatum Extract is an extract of the whole plant of the Club Moss, Lycopodium clavatum L., Lycopodiaceae
41st on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Equisetum Arvense Extract is an extract of the sterile caules of the Horsetail, Equisetum arvense L., Equisetaceae
42nd on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Octane-1,2-diol
43rd on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Hyaluronic acid
44th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Palmitoyl Tripeptide-5 is the reaction product of palmitic acid and Tripeptide-5
45th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Hyaluronic acid, sodium salt, polymer with 1,1'-sulfonylbis[ethene]
46th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Hydrolyzed Sodium Hyaluronate is the hydrolysate of Sodium Hyaluronate derived by acid, enzyme or other method of hydrolysis
47th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Hydrolyzed Hyaluronic Acid is the hydrolysate of Hyaluronic Acid derived by acid, enzyme or other method of hydrolysis
48th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Acetyl Octapeptide-3 is the reaction product of acetic acid and Octapeptide-3
49th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Sodium Acetylhyaluronate
50th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Hyaluronic acid, 2-hydroxy-3-(N,N,N-trimethylammonio)propyl chloride derivatives
51st on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Keratins, hydrolyzates. A biological material consisting predominantly of partially hydrolyzed keratin
52nd on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Collagens, hydrolyzates. Substance obtained by acidic, alkaline, or enzymatic hydrolysis of hoofs and horns composed primarily of amino acids, peptides, and proteins. It may contain impurities consisting chiefly of carbohydrates and lipids along with smaller quantities of miscellaneous organic substances of biological origin.
53rd on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Protein hydrolyzates, silk
Products in the same category that share this formula's distinguishing ingredients.
Eqqualberry
Shares 14 key ingredients with Glutathione Glow Serum: Water, Butylene Glycol, Glycerin, Niacinamide, Betaine
Arencia
Shares 13 key ingredients with Glutathione Glow Serum: Water, Glycereth-26, Glycerin, Sodium Hyaluronate, Niacinamide
Arencia
Shares 13 key ingredients with Glutathione Glow Serum: Water, Glycerin, Methylpropanediol, Butylene Glycol, Niacinamide
Haruharu Wonder
Shares 13 key ingredients with Glutathione Glow Serum: Water, Glycerin, Niacinamide, Methyl Gluceth-20, Triethylhexanoin
COSRX
Shares 12 key ingredients with Glutathione Glow Serum: Water, Butylene Glycol, Glycerin, Niacinamide, Betaine
Eqqualberry
Shares 12 key ingredients with Glutathione Glow Serum: Water, Butylene Glycol, Glycerin, Niacinamide, Betaine
WATER, GLYCERIN, PEG-8, NIACINAMIDE, BUTYLENE GLYCOL, METHYLPROPANEDIOL, 1,2-HEXANEDIOL, METHYL GLUCETH-20, GLYCERETH-26, BIS-PEG-18 METHYL ETHER DIMETHYL SILANE, BETAINE, CARBOMER, DIPHENYL DIMETHICONE, TROMETHAMINE, TRIETHYLHEXANOIN, ETHYLHEXYLGLYCERIN, SODIUM C12-14 SEC-PARETH-8 CARBOXYLATE, PARFUM, GLUTATHIONE, XANTHAN GUM, HYDROGENATED LECITHIN, ADENOSINE, COPTIS JAPONICA EXTRACT, POLYGLYCERYL-10 OLEATE, DISODIUM EDTA, SACCHARIDE HYDROLYSATE, POLYGLYCERYL-10 LAURATE, PANTHENOL, COLLAGEN, THEOBROMA CACAO SEED EXTRACT, DEXTRIN, SODIUM HYALURONATE, STELLARIA MEDIA EXTRACT, SORBITAN LAURATE, PRUNELLA VULGARIS EXTRACT, LACTOBACILLUS FERMENT, FUCUS VESICULOSUS EXTRACT, HYDROXYETHYLCELLULOSE, ACETYL DIPEPTIDE-1 CETYL ESTER, LYCOPODIUM CLAVATUM EXTRACT, EQUISETUM ARVENSE EXTRACT, CAPRYLYL GLYCOL, HYALURONIC ACID, PALMITOYL TRIPEPTIDE-5, SODIUM HYALURONATE CROSSPOLYMER, HYDROLYZED SODIUM HYALURONATE, HYDROLYZED HYALURONIC ACID, ACETYL OCTAPEPTIDE-3, SODIUM ACETYLATED HYALURONATE, HYDROXYPROPYLTRIMONIUM HYALURONATE, HYDROLYZED KERATIN, HYDROLYZED COLLAGEN, HYDROLYZED SILK.
NIACINAMIDE, PANTHENOL, SODIUM HYALURONATE, HYALURONIC ACID, SODIUM HYALURONATE CROSSPOLYMER, HYDROLYZED HYALURONIC ACID, ACETYL OCTAPEPTIDE-3, SODIUM ACETYLATED HYALURONATE.
After cleansing and toning, apply a few drops onto your face and neck. Gently pat until fully absorbed. Use morning and evening for best results.
Judged on how rich the formula reads from its ingredient list, it suits Balanced, Combination (oily), Oily skin best. It is the least natural fit for Dry, Combination (dry) skin.
No ingredient in this formula carries a common-irritant flag, making it a reasonable option for reactive skin. A patch test is still recommended, as individual skin reactivity varies.
4 ingredients could feed malassezia: Polyglyceryl-10 Oleate, Polyglyceryl-10 Laurate, Sorbitan Laurate, Lactobacillus Ferment. That describes the yeast's food supply, not a prediction that they will cause a breakout.
Nothing in this formula is on the standard pregnancy-caution list. That is not medical clearance — check anything you use daily with your doctor or midwife.
No — it contains Parfum.
No. Reading the full ingredient list, this formula is no drying alcohol.
No — it contains Diphenyl Dimethicone.
No. Reading the full ingredient list, this formula is essential-oil-free.
Yes. Reading the full ingredient list, this formula is paraben-free.
It layers well with Vitamin C (L-ascorbic acid), Retinoids (retinol, retinal), AHAs (glycolic, lactic), BHA (salicylic acid), PHAs (gluconolactone), Benzoyl peroxide.
Use it morning and evening, after toner, before moisturiser.
It lists 53 ingredients, of which 8 are recorded as actives.
Medicube, a brand based in Korea.
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