Paula's Choice
10% Niacinamide BoosterA serum built around BHA and Salicylic acid, for barrier repair and smoothing.
A serum built around Niacinamide and Vitamin C derivative, for hydration and barrier repair.
Brand price
USD 9.90 · checked 5 Oct 2026 · brand's site
Brand price
USD 53.00 · checked 8 Oct 2026 · brand's site

At a Glance

They come out differently on Fragrance-free, EU-allergen-free and Vegan; those rows are shaded. Tap any answer to see why.

Key Ingredients

Centella asiatica (Cica)2
Centella asiatica (cica), used to calm irritation.

Benefits

Hydrating6
Boosts hydration and relieves dry, tight skin.
Betaine, Butylene Glycol, Propylene Glycol, Sodium Hyaluronate, Squalane, Zinc PCA
Barrier Repair8
Strengthens and restores the skin's natural barrier.
Allantoin, Betaine, Caprylic/Capric Glycerides Polyglyceryl-10 Esters, Centella Asiatica Extract, Cetearyl Olivate, Niacinamide, Propylene Glycol, Squalane
Reduces Irritation5
Eases discomfort and supports skin resilience.
Allantoin, Centella Asiatica Extract, Madecassoside, Menthol, Zinc PCA
Redness Reducing5
Soothes visible redness and calms irritation.
Allantoin, Centella Asiatica Extract, Madecassoside, Menthol, Niacinamide
Hydrating7
Boosts hydration and relieves dry, tight skin.
Acetyl Glucosamine, Beta-Glucan, Butylene Glycol, Dipotassium Glycyrrhizate, Glycerin, Panthenol, Sodium Hyaluronate
Barrier Repair7
Strengthens and restores the skin's natural barrier.
Allantoin, Boerhavia Diffusa Root Extract, Caprylyl Glycol, Glycerin, Glycyrrhiza Glabra Root Extract, Niacinamide, Panthenol
Reduces Irritation5
Eases discomfort and supports skin resilience.
Allantoin, Beta-Glucan, Dipotassium Glycyrrhizate, Glycyrrhiza Glabra Root Extract, Panthenol
Redness Reducing3
Soothes visible redness and calms irritation.

Concerns

May Worsen Seborrheic Dermatitis3
May feed the yeast involved in seborrheic dermatitis.
Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Cetearyl Olivate, Sorbitan Olivate
May Worsen Seborrheic Dermatitis3
May feed the yeast involved in seborrheic dermatitis.

Ingredients Side-by-side

Niacinamide (in both products)
Smoothing
0 / —
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
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
- Fatty alcohols (Malassezia)
- Dark Spots
- Hydrating
- May Worsen Seborrheic Dermatitis
Skin Conditioning
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Boerhavia Diffusa Root Extract
Skin Protecting
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
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 →Niacinamide
Smoothing
Niacinamide is niacinamide.
Learn more about Niacinamide →Sodium Hyaluronate
Humectant, Skin Conditioning
Sodium Hyaluronate is a hyaluronic acid.
Learn more about Sodium Hyaluronate →Pentylene Glycol
Skin Conditioning, Solvent
1,2-Dihydroxypentane
Learn more about Pentylene Glycol →Allantoin
Skin Conditioning, Skin Protecting, Soothing
Urea, (2,5-dioxo-4-imidazolidinyl)-
Learn more about Allantoin →Xanthan Gum
Binding, Emulsion Stabilising, Gel Forming, Skin Conditioning, Cleansing, Emulsifying, Viscosity Controlling
Xanthan gum
Learn more about Xanthan Gum →
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