Paula's Choice
10% Niacinamide BoosterA serum built around Tranexamic acid and PHA, for barrier repair and smoothing.
A serum built around Niacinamide and Vitamin C derivative, for hydration and barrier repair.
Brand price
USD 37.99 · checked 8 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 and EU-allergen-free; those rows are shaded. Tap any answer to see why.

Key Ingredients


Benefits

Hydrating4
Boosts hydration and relieves dry, tight skin.
Caprylic/Capric Triglyceride, Glycerin, Lactic Acid, Lactobionic Acid
Barrier Repair8
Strengthens and restores the skin's natural barrier.
Arachidyl Alcohol, Behenyl Alcohol, Caprylic/Capric Triglyceride, Glycerin, Kojic Dipalmitate, Niacinamide, Polyglyceryl-6 Stearate, Vitis Vinifera Flower Extract
Smoothing8
Refines rough or uneven texture.
Arachidyl Alcohol, Behenyl Alcohol, Kojic Dipalmitate, Lactic Acid, Mandelic Acid, Niacinamide, Polyglyceryl-6 Stearate, Vitis Vinifera Flower Extract
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 Dermatitis10
May feed the yeast involved in seborrheic dermatitis.
Arachidyl Alcohol, Arachidyl Glucoside, Behenyl Alcohol, Cetyl Tranexamate Mesylate, Kojic Dipalmitate, Polyglyceryl-4 Laurate/Sebacate, Polyglyceryl-6 Behenate, Polyglyceryl-6 Stearate, Polysorbate 60, Sorbitan Isostearate
May Worsen Keratosis Pilaris1
May clog follicles or strip skin prone to keratosis pilaris.
May Worsen Irritation3
May cause stinging, redness or sensitivity.
Fragrance, Linalyl Acetate, Tetramethyl Acetyloctahydronaphthalenes
May Worsen Seborrheic Dermatitis3
May feed the yeast involved in seborrheic dermatitis.

Ingredients Side-by-side

Water (in both products)
Skin Conditioning
Solvent
Emollient
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Skin Conditioning
- Fatty alcohols (Malassezia)
- May Worsen Seborrheic Dermatitis
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
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.
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 →Niacinamide
Smoothing
Niacinamide is niacinamide.
Learn more about Niacinamide →Xanthan Gum
Binding, Emulsion Stabilising, Gel Forming, Skin Conditioning, Cleansing, Emulsifying, Viscosity Controlling
Xanthan gum
Learn more about Xanthan Gum →Pentylene Glycol
Skin Conditioning, Solvent
1,2-Dihydroxypentane
Learn more about Pentylene Glycol →
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