Medicube
Deep Vitamin C Capsule SerumSkintific
10% Niacinamide Brightening SerumA serum built around Niacinamide and PHA, for barrier repair and hydration.
A serum built around Niacinamide and Centella asiatica, for barrier repair and hydration.
Brand price
USD 24.00 · checked 26 Sept 2026 · brand's site
Brand price
AUD 21.90 · checked 5 Oct 2026 · brand's site

At a Glance

They come out differently on Silicone-free, Pore-clogger-free and Cruelty-free; those rows are shaded. Tap any answer to see why.

Key Ingredients

Vitamin C derivative (stable)5
Stable derivatives of ascorbic acid.
3-O-Ethyl Ascorbic Acid, Ascorbyl Glucoside, Ascorbyl Tetraisopalmitate, Magnesium Ascorbyl Phosphate, Sodium Ascorbyl Phosphate
Centella asiatica (Cica)1
Centella asiatica (cica), used to calm irritation.
Colloidal oatmeal2
Finely milled oat — an FDA-recognised skin protectant.

Benefits

Hydrating11
Boosts hydration and relieves dry, tight skin.
Caprylic/Capric Triglyceride, Gluconolactone, Glycereth-26, Glycerin, Helianthus Annuus Seed Oil, Hydrolyzed Hyaluronic Acid, Panthenol, Propanediol, Sodium Acetylated Hyaluronate, Sodium Hyaluronate, Tocopherol
Barrier Repair14
Strengthens and restores the skin's natural barrier.
Allantoin, Ascorbyl Tetraisopalmitate, Caprylic/Capric Triglyceride, Cholesterol, Coriandrum Sativum Fruit Oil, Glycerin, Glycine Max Oil, Helianthus Annuus Seed Oil, Isononyl Isononanoate, Litsea Cubeba Fruit Oil, Niacinamide, Olea Europaea Fruit Oil, Panthenol, Tocopherol
Hydrating8
Boosts hydration and relieves dry, tight skin.
Bis-Peg-18 Methyl Ether Dimethyl Silane, Butylene Glycol, Ceramide AP, Ceramide NP, Fructose, Propanediol, Propylene Glycol, Sodium Hyaluronate
Barrier Repair12
Strengthens and restores the skin's natural barrier.
Allantoin, Avena Sativa Kernel Extract, Avena Sativa Kernel Oil, Bis-Peg-18 Methyl Ether Dimethyl Silane, Centella Asiatica Extract, Ceramide AP, Ceramide NP, Isohexadecane, Niacinamide, Propylene Glycol, Sphingolipids, Yeast Extract
Reduces Irritation4
Eases discomfort and supports skin resilience.
Allantoin, Avena Sativa Kernel Extract, Avena Sativa Kernel Oil, Centella Asiatica Extract
Redness Reducing4
Soothes visible redness and calms irritation.
Allantoin, Centella Asiatica Extract, Niacinamide, Tranexamic Acid

Concerns

May Worsen Seborrheic Dermatitis14
May feed the yeast involved in seborrheic dermatitis.
Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Ascorbyl Tetraisopalmitate, C12-14 Alketh-12, Castor Oil/Ipdi Copolymer, Dextrin Palmitate, Dibutyl Lauroyl Glutamide, Glycine Max Oil, Helianthus Annuus Seed Oil, Hydrogenated Lecithin, Hydrogenated Phosphatidylcholine, Octyldodeceth-16, Olea Europaea Fruit Oil, Polyglyceryl-10 Laurate, Sodium Acetylated Hyaluronate
May Worsen Keratosis Pilaris2
May clog follicles or strip skin prone to keratosis pilaris.
May Worsen Oily Skin3
May increase shine or excess oil.
Glycine Max Oil, Helianthus Annuus Seed Oil, Olea Europaea Fruit Oil
May Worsen Seborrheic Dermatitis11
May feed the yeast involved in seborrheic dermatitis.
Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Avena Sativa Kernel Oil, Ceramide AP, Ceramide As, Ceramide NP, Ceramide Ns, Hydrogenated Lecithin, PEG-7 Glyceryl Cocoate, Phosphatidylcholine, Sodium Stearoyl Glutamate, Sphingolipids

Ingredients Side-by-side

Skin Conditioning
Niacinamide (in both products)
Smoothing
0 / —
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
Skin Conditioning
1,2-Hexanediol (in both products)
Skin Conditioning
Emollient
Niacinamide (in both products)
Smoothing
0 / —
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
Skin Conditioning
Cleansing
- Centella asiatica (Cica)
- Barrier Repair
- Redness Reducing
- Reduces Irritation
Skin Conditioning
Skin Conditioning
Fragrance
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Niacinamide
Smoothing
Niacinamide is niacinamide.
Learn more about Niacinamide →1,2-Hexanediol
Skin Conditioning, Solvent
We don't have a description for 1,2-Hexanediol yet.
Learn more about 1,2-Hexanediol →Acrylates/C10-30 Alkyl Acrylate Crosspolymer
Emulsion Stabilising, Film Forming, Viscosity Controlling
Acrylates/C10-30 Alkyl Acrylate Crosspolymer isn't fungal acne safe.
Learn more about Acrylates/C10-30 Alkyl Acrylate Crosspolymer →Ethylhexylglycerin
Deodorant, Skin Conditioning
Ethylhexylglycerin is the organic compound that conforms to the formula
Learn more about Ethylhexylglycerin →Allantoin
Skin Conditioning, Skin Protecting, Soothing
Urea, (2,5-dioxo-4-imidazolidinyl)-
Learn more about Allantoin →Disodium EDTA
Chelating, Viscosity Controlling
Disodium dihydrogen ethylenediaminetetraacetate
Learn more about Disodium EDTA →Hydrogenated Lecithin
Skin Conditioning, Emulsifying
Hydrogenated Lecithin isn't fungal acne safe.
Learn more about Hydrogenated Lecithin →Propanediol
Solvent, Viscosity Controlling
Propanediol is the organic compound that conforms to the formula
Learn more about Propanediol →Sodium Hyaluronate
Humectant, Skin Conditioning
Sodium Hyaluronate is a hyaluronic acid.
Learn more about Sodium Hyaluronate →
Similar Comparisons
Each product against its closest dupes.
- View the comparison

Medicube
Deep Vitamin C Capsule Serum

VT Cosmetics
Vitamin C+ Astaxanthin Serum
- View the comparison

Skintific
10% Niacinamide Brightening Serum

Glad2Glow
Peach Retinol Serum
- View the comparison

Medicube
Deep Vitamin C Capsule Serum

Goodal
Green Tangerine Vita C E TXA Serum
- View the comparison

Skintific
10% Niacinamide Brightening Serum

Glad2Glow
Yuja Symwhite 377 Dark Spot Serum