Dr.Althea
15% Niacinamide Purity SerumA serum built around Niacinamide and Zinc salt, for hydration and barrier repair.
A serum built around Niacinamide and Vitamin C derivative, for hydration and reducing redness.
Brand price
USD 23.90 · checked 26 Sept 2026 · brand's site
Brand price
USD 19.80 · checked 25 Sept 2026 · brand's site
At a Glance
They come out differently on Fragrance-free, Fungal-acne-safe, Pore-clogger-free, Vegan and Cruelty-free; those rows are shaded. Tap any answer to see why.
Key Ingredients
Centella asiatica (Cica)2
Centella asiatica (cica), used to calm irritation.
Benefits
Hydrating5
Boosts hydration and relieves dry, tight skin.
Barrier Repair5
Strengthens and restores the skin's natural barrier.
Glycerin, Melaleuca Alternifolia Leaf Oil, Niacinamide, Tocopherol, Vitis Vinifera Seed Extract
Hydrating4
Boosts hydration and relieves dry, tight skin.
Barrier Repair3
Strengthens and restores the skin's natural barrier.
Reduces Irritation3
Eases discomfort and supports skin resilience.
Redness Reducing4
Soothes visible redness and calms irritation.
Centella Asiatica Extract, Madecassoside, Niacinamide, Tranexamic Acid
Concerns
May Worsen Seborrheic Dermatitis1
May feed the yeast involved in seborrheic dermatitis.
May Worsen Irritation3
May cause stinging, redness or sensitivity.
Melaleuca Alternifolia Leaf Oil, Rosmarinus Officinalis Leaf Oil, Tocopherol
No concerns found
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
Emulsifying
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Ethylhexylglycerin (in both products)
Skin Conditioning
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
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 →Butylene Glycol
Fragrance, Humectant, Skin Conditioning, Solvent, Viscosity Controlling
Butane-1,3-diol (CAS No. 107-88-0/ EC No. 203-529-7) (R)-(-)-butane-1,3-diol” (CAS No. 6290-03-5/ EC No. 228-532-0)
Learn more about Butylene Glycol →1,2-Hexanediol
Skin Conditioning, Solvent
We don't have a description for 1,2-Hexanediol yet.
Learn more about 1,2-Hexanediol →Xanthan Gum
Binding, Emulsion Stabilising, Gel Forming, Skin Conditioning, Cleansing, Emulsifying, Viscosity Controlling
Xanthan gum
Learn more about Xanthan Gum →Ethylhexylglycerin
Deodorant, Skin Conditioning
Ethylhexylglycerin is the organic compound that conforms to the formula
Learn more about Ethylhexylglycerin →Disodium EDTA
Chelating, Viscosity Controlling
Disodium dihydrogen ethylenediaminetetraacetate
Learn more about Disodium EDTA →
Similar Comparisons
Each product against its closest dupes.
- View the comparison
Dr.Althea
15% Niacinamide Purity Serum
COSRX
The Niacinamide 15 Serum
- View the comparison
Skin1004
Niacinamide 10 Boosting Shot Ampoule
Nature Republic
Vitapair C Dark Spot Serum Jumbo
- View the comparison
Dr.Althea
15% Niacinamide Purity Serum
Biodance
Radiant Vita Niacinamide Serum
- View the comparison
Skin1004
Niacinamide 10 Boosting Shot Ampoule
Dr.Althea
Aqua Marine Deep Serum