Dr.Althea
15% Niacinamide Purity SerumGeek & Gorgeous
B-BombA serum built around Niacinamide and Zinc salt, for hydration and barrier repair.
A serum built around Niacinamide and Zinc salt, for hydration and fighting acne.
Brand price
USD 23.90 · checked 26 Sept 2026 · brand's site
Brand price
EUR 8.50 · checked 8 Oct 2026 · brand's site

At a Glance

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

Key Ingredients


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.

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

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
Emulsifying
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
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
Zinc PCA (in both products)
Humectant
- Zinc salt (sebum/soothing)
- Acne Fighting
- Oil Control
- Reduces Irritation
Skin Conditioning
Ethylhexylglycerin (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.
Pentylene Glycol
Skin Conditioning, Solvent
1,2-Dihydroxypentane
Learn more about Pentylene Glycol →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 →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 →Zinc PCA
Humectant, Skin Conditioning
Zinc PCA is a zinc salt.
Learn more about Zinc PCA →
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15% Niacinamide Purity Serum

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Dr.Althea
15% Niacinamide Purity Serum

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B-Bomb

The Derma Co
10% Niacinamide Face Serum with 2% Zinc PCA