Dr.Althea
Gentle Vitamin C SerumMedicube
Collagen Glow Bubble SerumA serum built around Niacinamide and Vitamin C derivative, for barrier repair and hydration.
A serum built around Niacinamide and Hyaluronic acid, for hydration and barrier repair.
Brand price
USD 23.90 · checked 26 Sept 2026 · brand's site
Brand price
USD 24.00 · checked 26 Sept 2026 · brand's site

At a Glance

They come out differently on Fragrance-free, Oil-free and Vegan; those rows are shaded. Tap any answer to see why.

Key Ingredients

Hyaluronic acid3
Hyaluronic acid and its salts; a humectant that binds water to the skin.
Hyaluronic Acid, Sodium Hyaluronate, Sodium Hyaluronate Crosspolymer

Benefits

Hydrating3
Boosts hydration and relieves dry, tight skin.
Barrier Repair4
Strengthens and restores the skin's natural barrier.
Allantoin, Caprylic/Capric Triglyceride, Caprylyl Glycol, Niacinamide
Hydrating16
Boosts hydration and relieves dry, tight skin.
Acetyl Octapeptide-3, Butylene Glycol, Caprylic/Capric Triglyceride, Collagen, Glycereth-26, Glycerin, Hyaluronic Acid, Hydrolyzed Collagen, Hydrolyzed Hyaluronic Acid, Hydroxyethyl Urea, Polyglycerin-3, Propanediol, Sodium Acetylated Hyaluronate, Sodium Hyaluronate, Sodium Hyaluronate Crosspolymer, Soluble Collagen
Barrier Repair13
Strengthens and restores the skin's natural barrier.
Allantoin, Brassica Campestris Sterols, Caprylic/Capric Triglyceride, Caprylyl Glycol, Cetyl Ethylhexanoate, Cholesterol, Glycerin, Hydrolyzed Collagen, Hydrolyzed Elastin, Macadamia Ternifolia Seed Oil, Niacinamide, Pentaerythrityl Tetraisostearate, Soluble Collagen Crosspolymer

Concerns

May Worsen Seborrheic Dermatitis2
May feed the yeast involved in seborrheic dermatitis.
Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Castor Oil/Ipdi Copolymer
May Trigger Acne2
Can clog pores or trigger breakouts.
May Worsen Seborrheic Dermatitis16
May feed the yeast involved in seborrheic dermatitis.
Acetyl Dipeptide-1 Cetyl Ester, Acetyl Hexapeptide-1, Acetyl Octapeptide-3, Ceteth-3, Ceteth-5, Cetyl Ethylhexanoate, Hydrogenated Lecithin, Macadamia Ternifolia Seed Oil, Palmitoyl Tripeptide-5, Pentaerythrityl Tetraisostearate, Polyglyceryl-10 Laurate, Potassium Cetyl Phosphate, Potassium Myristoyl Hydrolyzed Collagen, Sodium Acetylated Hyaluronate, Sodium Lauroyl Glutamate, Sorbitan Laurate
May Worsen Keratosis Pilaris2
May clog follicles or strip skin prone to keratosis pilaris.

Ingredients Side-by-side

Water (in both products)
Skin Conditioning
Niacinamide (in both products)
Smoothing
0 / —
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
1,2-Hexanediol (in both products)
Skin Conditioning
Perfuming
Film Forming
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Acrylates/C10-30 Alkyl Acrylate Crosspolymer
Emulsion Stabilising
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Water (in both products)
Skin Conditioning
Emollient
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Emulsifying
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Niacinamide (in both products)
Smoothing
0 / —
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
1,2-Hexanediol (in both products)
Skin Conditioning
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Water
Antiplaque, Skin Conditioning, Solvent
Aqua (EU),Deionized Water,Distilled Water,Micromatrix Fractile AN,Onsen-Sui (JPN),Purified Water
Learn more about Water →Niacinamide
Smoothing
Niacinamide is niacinamide.
Learn more about Niacinamide →Propanediol
Solvent, Viscosity Controlling
Propanediol is the organic compound that conforms to the formula
Learn more about Propanediol →1,2-Hexanediol
Skin Conditioning, Solvent
We don't have a description for 1,2-Hexanediol yet.
Learn more about 1,2-Hexanediol →Caprylic/Capric Triglyceride
Fragrance, Perfuming, Occlusive, Solvent
Caprylic/Capric Triglyceride is the mixed triester of glycerin and caprylic and capric acids.
Learn more about Caprylic/Capric Triglyceride →Xanthan Gum
Binding, Emulsion Stabilising, Gel Forming, Skin Conditioning, Cleansing, Emulsifying, Viscosity Controlling
Xanthan gum
Learn more about Xanthan Gum →Adenosine
Skin Conditioning
6-Amino-9-beta-D-ribofuranosyl-9H-purine
Learn more about Adenosine →Disodium EDTA
Chelating, Viscosity Controlling
Disodium dihydrogen ethylenediaminetetraacetate
Learn more about Disodium EDTA →Allantoin
Skin Conditioning, Skin Protecting, Soothing
Urea, (2,5-dioxo-4-imidazolidinyl)-
Learn more about Allantoin →Ethylhexylglycerin
Deodorant, Skin Conditioning
Ethylhexylglycerin is the organic compound that conforms to the formula
Learn more about Ethylhexylglycerin →
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