Paula's Choice
10% Niacinamide BoosterA serum built around Niacinamide and Kojic acid, for barrier repair and smoothing.
A serum built around Niacinamide and Vitamin C derivative, for hydration and barrier repair.
Brand price
USD 26.00 · checked 26 Sept 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, Pore-clogger-free, Vegan and Cruelty-free; those rows are shaded. Tap any answer to see why.

Key Ingredients

Fatty alcohol1
Waxy fatty alcohols used as emollients and thickeners; unrelated to drying alcohol.

Benefits

Hydrating5
Boosts hydration and relieves dry, tight skin.
Butylene Glycol, Jojoba Esters, Panthenol, Squalane, Tocopherol
Barrier Repair12
Strengthens and restores the skin's natural barrier.
Allantoin, Behenyl Alcohol, Caprylic/Capric/Succinic Triglyceride, Cetyl Alcohol, Coco-Caprylate/Caprate, Hydrogenated Castor Oil/Sebacic Acid Copolymer, Jojoba Esters, Niacinamide, Panthenol, Silica Silylate, Squalane, Tocopherol
Reduces Irritation3
Eases discomfort and supports skin resilience.
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 Dermatitis5
May feed the yeast involved in seborrheic dermatitis.
Behenyl Alcohol, Cetyl Alcohol, Coco-Caprylate/Caprate, Hydrogenated Castor Oil/Sebacic Acid Copolymer, Jojoba Esters
May Worsen Keratosis Pilaris2
May clog follicles or strip skin prone to keratosis pilaris.
May Worsen Seborrheic Dermatitis3
May feed the yeast involved in seborrheic dermatitis.

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
Emollient
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Skin Conditioning
Perfuming
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 →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 →Allantoin
Skin Conditioning, Skin Protecting, Soothing
Urea, (2,5-dioxo-4-imidazolidinyl)-
Learn more about Allantoin →Sodium Citrate
Buffering, Chelating, Fragrance
Trisodium citrate
Learn more about Sodium Citrate →Ethylhexylglycerin
Deodorant, Skin Conditioning
Ethylhexylglycerin is the organic compound that conforms to the formula
Learn more about Ethylhexylglycerin →Citric Acid
Buffering, Chelating, Fragrance
Citric Acid is an AHA.
Learn more about Citric Acid →Panthenol
Antistatic, Hair Conditioning, Skin Conditioning
Panthenol is panthenol (provitamin B5).
Learn more about Panthenol →
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