Dr.Althea
Aqua Marine Deep SerumA serum built around Niacinamide and Panthenol, for hydration and barrier repair.
A serum built around Niacinamide and Panthenol, for hydration and barrier repair.
Brand price
USD 18.60 · checked 26 Sept 2026 · brand's site
Brand price
USD 22.00 · checked 8 Oct 2026 · brand's site
At a Glance
They come out differently on Fragrance-free and Oil-free; those rows are shaded. Tap any answer to see why.
Key Ingredients
Centella asiatica (Cica)1
Centella asiatica (cica), used to calm irritation.
Hyaluronic acid2
Hyaluronic acid and its salts; a humectant that binds water to the skin.
Benefits
Hydrating8
Boosts hydration and relieves dry, tight skin.
Butylene Glycol, Fructooligosaccharides, Glycerin, Hydrolyzed Hyaluronic Acid, Panthenol, Propanediol, Sodium Hyaluronate, Sodium Hyaluronate Crosspolymer
Barrier Repair6
Strengthens and restores the skin's natural barrier.
Centella Asiatica Extract, Glycerin, Laminaria Japonica Extract, Niacinamide, Oleyl Alcohol, Panthenol
Reduces Irritation2
Eases discomfort and supports skin resilience.
Redness Reducing2
Soothes visible redness and calms irritation.
Hydrating11
Boosts hydration and relieves dry, tight skin.
Beta-Glucan, Butylene Glycol, Butyrospermum Parkii Butter, Caprylic/Capric Triglyceride, Glycereth-26, Glycerin, Helianthus Annuus Seed Oil, Panthenol, Sodium Hyaluronate, Squalane, Tocopherol
Barrier Repair11
Strengthens and restores the skin's natural barrier.
Butyrospermum Parkii Butter, Caprylic/Capric Triglyceride, Citrus Junos Fruit Oil, Glycerin, Helianthus Annuus Seed Oil, Hydrogenated Polydecene, Macadamia Ternifolia Seed Oil, Niacinamide, Panthenol, Squalane, Tocopherol
Concerns
May Worsen Keratosis Pilaris1
May clog follicles or strip skin prone to keratosis pilaris.
May Worsen Seborrheic Dermatitis6
May feed the yeast involved in seborrheic dermatitis.
Butyrospermum Parkii Butter, Helianthus Annuus Seed Oil, Hydrogenated Lecithin, Macadamia Ternifolia Seed Oil, Polyglyceryl-10 Laurate, Polyglyceryl-3 Methylglucose Distearate
May Worsen Oily Skin4
May increase shine or excess oil.
Butyrospermum Parkii Butter, Helianthus Annuus Seed Oil, Macadamia Ternifolia Seed Oil, Squalane
Ingredients Side-by-side
Skin Conditioning
1,2-Hexanediol (in both products)
Skin Conditioning
Water (in both products)
Skin Conditioning
Ethylhexylglycerin (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
Skin Conditioning
Panthenol (in both products)
Skin Conditioning
0 / 0
- Panthenol (provitamin B5)
- Barrier Repair
- Hydrating
- Reduces Irritation
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
Emollient
- Plant oils and butters (coconut, olive, shea)
- Plant or mineral oil
- Barrier Repair
- May Worsen Oily Skin
- 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.
1,2-Hexanediol
Skin Conditioning, Solvent
We don't have a description for 1,2-Hexanediol yet.
Learn more about 1,2-Hexanediol →Water
Antiplaque, Skin Conditioning, Solvent
Aqua (EU),Deionized Water,Distilled Water,Micromatrix Fractile AN,Onsen-Sui (JPN),Purified Water
Learn more about Water →Glycerin
Denaturant, Fragrance, Hair Conditioning, Humectant, Oral Care, Perfuming, Humectant, Skin Protecting, Solvent, Viscosity Controlling
Glycerin may be plant, synthetic or animal depending on the supplier.
Learn more about Glycerin →Ethylhexylglycerin
Deodorant, Skin Conditioning
Ethylhexylglycerin is the organic compound that conforms to the formula
Learn more about Ethylhexylglycerin →Niacinamide
Smoothing
Niacinamide is niacinamide.
Learn more about Niacinamide →Panthenol
Antistatic, Hair Conditioning, Skin Conditioning
Panthenol is panthenol (provitamin B5).
Learn more about Panthenol →Xanthan Gum
Binding, Emulsion Stabilising, Gel Forming, Skin Conditioning, Cleansing, Emulsifying, Viscosity Controlling
Xanthan gum
Learn more about Xanthan Gum →Sodium Hyaluronate
Humectant, Skin Conditioning
Sodium Hyaluronate is a hyaluronic acid.
Learn more about Sodium Hyaluronate →Adenosine
Skin Conditioning
6-Amino-9-beta-D-ribofuranosyl-9H-purine
Learn more about Adenosine →Tromethamine
Buffering, Fragrance
1,3-Propanediol, 2-amino-2-(hydroxymethyl)-
Learn more about Tromethamine →
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