Sunday Riley B3 Nice 10% Niacinamide Serum vs Paula's Choice 10% Niacinamide Booster

Sunday Riley

B3 Nice 10% Niacinamide Serum

Paula's Choice

10% Niacinamide Booster

A serum built around Niacinamide and Centella asiatica, for barrier repair and pollution defence.

A serum built around Niacinamide and Vitamin C derivative, for hydration and barrier repair.

Serum

49 ingredients

27 ingredients

Brand price

USD 65.00 · checked 8 Oct 2026 · brand's site

Brand price

USD 53.00 · checked 8 Oct 2026 · brand's site

No retailer listed yet

At a Glance

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

Key Ingredients

Face oil1
An oil formulated to be used on the face.
Argania Spinosa Kernel Oil
Vitamin E1
Tocopherols — fat-soluble antioxidants.
Tocopherol
Centella asiatica (Cica)2
Centella asiatica (cica), used to calm irritation.
Asiaticoside, Madecassoside
Polysorbates (Tween emulsifiers)1
Polysorbate (Tween) emulsifiers.
Polysorbate 60

Vitamin C derivative (stable)1
Stable derivatives of ascorbic acid.
Ascorbyl Glucoside
Panthenol (provitamin B5)1
Provitamin B5 — a humectant and soother.
Panthenol
Polysorbates (Tween emulsifiers)1
Polysorbate (Tween) emulsifiers.
Polysorbate 20
AHA1
Alpha hydroxy acids — water-soluble chemical exfoliants.
Citric Acid

Benefits

Hydrating7
Boosts hydration and relieves dry, tight skin.
Argania Spinosa Kernel Oil, Betaine, Dimethicone, Glycerin, PEG-8, Phenyl Trimethicone, Tocopherol
Barrier Repair11
Strengthens and restores the skin's natural barrier.
Aloe Barbadensis Flower Extract, Argania Spinosa Kernel Oil, Betaine, Caprylyl Glycol, Dimethicone, Glycerin, Niacinamide, Octyldodecanol, Phenyl Trimethicone, Resveratrol, Tocopherol
Reduces Irritation2
Eases discomfort and supports skin resilience.
Asiaticoside, Madecassoside
Redness Reducing3
Soothes visible redness and calms irritation.
Asiaticoside, Madecassoside, 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.
Allantoin, Glycyrrhiza Glabra Root Extract, Niacinamide

Concerns

May Trigger Acne2
Can clog pores or trigger breakouts.
Sorbitan Isostearate, Tocopherol
May Worsen Seborrheic Dermatitis6
May feed the yeast involved in seborrheic dermatitis.
Argania Spinosa Kernel Oil, Octyldodecanol, Polyglyceryl-10 Stearate, Polysorbate 60, Sorbitan Isostearate, Trideceth-6
May Worsen Keratosis Pilaris2
May clog follicles or strip skin prone to keratosis pilaris.
Sorbitan Isostearate, Tocopherol
May Worsen Oily Skin1
May increase shine or excess oil.
Argania Spinosa Kernel Oil

May Worsen Seborrheic Dermatitis3
May feed the yeast involved in seborrheic dermatitis.
Acetyl Glucosamine, Phospholipids, Polysorbate 20

Ingredients Side-by-side

Show highlights for:

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
Glycerin (in both products)
Humectant
0 / 0
- Possibly animal-derived
- Hydrating
Phenyl Trimethicone
Occlusive
- Silicones
Dimethyl Isosorbide
Viscosity Controlling
0 / —
Octyldodecanol
Emollient
- Fatty alcohols (Malassezia)
- May Worsen Seborrheic Dermatitis
Resveratrol
Antioxidant
- Anti-Aging
- Antioxidant
Diglucosyl Gallic Acid
Hair Conditioning
Asiaticoside
Antioxidant
- Centella asiatica (Cica)
- Redness Reducing
- Reduces Irritation
Madecassoside
Antioxidant
- Centella asiatica (Cica)
- Redness Reducing
- Reduces Irritation

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
Acetyl Glucosamine
Skin Conditioning
- Fatty alcohols (Malassezia)
- Dark Spots
- Hydrating
- May Worsen Seborrheic Dermatitis
Ascorbyl Glucoside
Antioxidant
- Vitamin C
- Vitamin C derivative (stable)
- Antioxidant
- Brightening
- Dark Spots
Butylene Glycol
Humectant
1 / 0
- Hydrating
Phospholipids
Skin Conditioning
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Sodium Hyaluronate
Humectant
0 / 0
- Hyaluronic acid
- Hydrating
Allantoin
Skin Conditioning
0 / 0
- Reduces Irritation
- Smoothing
Boerhavia Diffusa Root Extract
Skin Protecting
Glycerin (in both products)
Humectant
0 / 0
- Possibly animal-derived
- Hydrating

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 →
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 →
Phenoxyethanol
Antimicrobial, Preservative
Phenoxyethanol is the aromatic ether alcohol that conforms to the formula:
Learn more about Phenoxyethanol →
Caprylyl Glycol
Deodorant, Hair Conditioning, Skin Conditioning, Emollient
Caprylyl Glycol is the diol that conforms to the formula
Learn more about Caprylyl Glycol →