Isntree
Hyper Vitamin C 23 SerumDr.Althea
Vitamin C Boosting SerumA serum built around Vitamin C and Vitamin C, for hydration and barrier repair.
A serum built around Centella asiatica and Niacinamide, for hydration and barrier repair.
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 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
Hydrating15
Boosts hydration and relieves dry, tight skin.
Beta-Glucan, Betaine, Butylene Glycol, Ceramide NP, Ficus Carica Fruit Extract, Fructooligosaccharides, Glycerin, Hydrolyzed Hyaluronic Acid, Hydroxyethyl Urea, Methyl Gluceth-20, Panthenol, Propanediol, Sodium Acetylated Hyaluronate, Sodium Hyaluronate, Tocopherol
Barrier Repair9
Strengthens and restores the skin's natural barrier.
Betaine, Bifida Ferment Lysate, Centella Asiatica Extract, Ceramide NP, Glycerin, Laminaria Japonica Extract, Niacinamide, Panthenol, Tocopherol
Reduces Irritation5
Eases discomfort and supports skin resilience.
Beta-Glucan, Bisabolol, Centella Asiatica Extract, Centella Asiatica Leaf Water, Panthenol
Redness Reducing5
Soothes visible redness and calms irritation.
Bisabolol, Centella Asiatica Extract, Centella Asiatica Leaf Water, Niacinamide, Tranexamic Acid
Concerns
May Worsen Seborrheic Dermatitis4
May feed the yeast involved in seborrheic dermatitis.
C12-14 Pareth-12, Ceramide NP, Hydrogenated Lecithin, Sodium Acetylated Hyaluronate
Ingredients Side-by-side
Water (in both products)
Skin Conditioning
Ascorbic Acid (in both products)
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
Hydroxyethyl Urea (in both products)
Humectant
Betula Platyphylla Japonica Juice
Skin Conditioning
Skin Conditioning
Skin Conditioning
- Centella asiatica (Cica)
- Redness Reducing
- Reduces Irritation
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
Water (in both products)
Skin Conditioning
Humectant
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 →Ascorbic Acid
Antioxidant, Buffering, Fragrance, Skin Conditioning
Ascorbic Acid is L-ascorbic acid.
Learn more about Ascorbic Acid →Propanediol
Solvent, Viscosity Controlling
Propanediol is the organic compound that conforms to the formula
Learn more about Propanediol →Betaine
Hair Conditioning, Humectant, Humectant
Betaine is the zwitterion (inner salt) that conforms to the formula
Learn more about Betaine →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 →Hydroxyethyl Urea
Hair Conditioning, Humectant, Skin Conditioning
Urea, (2-Hydroxyethyl)-
Learn more about Hydroxyethyl Urea →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 →
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