Isntree
Hyper Vitamin C 23 SerumDr.Althea
Gentle Vitamin C SerumA serum built around Vitamin C and Vitamin C, for hydration and barrier repair.
A serum built around Niacinamide and Vitamin C derivative, for barrier repair and hydration.
Brand price
Not recorded · brand's site
Brand price
USD 23.90 · checked 26 Sept 2026 · brand's site
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At a Glance

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

Key Ingredients


Benefits

Hydrating6
Boosts hydration and relieves dry, tight skin.
Betaine, Hydroxyethyl Urea, Panthenol, Polyglycerin-3, Propanediol, Tocopherol
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

Concerns

May Worsen Seborrheic Dermatitis2
May feed the yeast involved in seborrheic dermatitis.
Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Castor Oil/Ipdi Copolymer

Ingredients Side-by-side

Water (in both products)
Skin Conditioning
Antioxidant
- Vitamin C
- Vitamin C (L-ascorbic acid)
- Anti-Aging
- Anti-Pollution
- Antioxidant
- Brightening
- Dark Spots
- Even Tone
1,2-Hexanediol (in both products)
Skin Conditioning
3-O-Ethyl Ascorbic Acid (in both products)
Skin Conditioning
- Vitamin C
- Vitamin C derivative (stable)
- Antioxidant
- Brightening
- Dark Spots
Humectant
Betula Platyphylla Japonica Juice
Skin Conditioning
Water (in both products)
Skin Conditioning
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
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 →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 →Tromethamine
Buffering, Fragrance
1,3-Propanediol, 2-amino-2-(hydroxymethyl)-
Learn more about Tromethamine →3-O-Ethyl Ascorbic Acid
Skin Conditioning
3-O-Ethyl Ascorbic Acid is a vitamin C derivative.
Learn more about 3-O-Ethyl Ascorbic Acid →Ethylhexylglycerin
Deodorant, Skin Conditioning
Ethylhexylglycerin is the organic compound that conforms to the formula
Learn more about Ethylhexylglycerin →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 →
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