Paula's Choice
10% Niacinamide BoosterA serum built around Niacinamide and Hyaluronic acid, for hydration and barrier repair.
A serum built around Niacinamide and Vitamin C derivative, for hydration and barrier repair.
Brand price
USD 24.99 · checked 5 Oct 2026 · brand's site
Brand price
USD 53.00 · checked 8 Oct 2026 · brand's site

At a Glance

Every check both products could be assessed on comes out the same. Tap any answer to see why.

Key Ingredients

Hyaluronic acid1
Hyaluronic acid and its salts; a humectant that binds water to the skin.

Benefits

Hydrating11
Boosts hydration and relieves dry, tight skin.
Anhydroxylitol, Butylene Glycol, Glucose, Glycerin, Hydrolyzed Hyaluronic Acid, Panthenol, Propanediol, Propylene Glycol, Sodium Hyaluronate, Xylitol, Xylitylglucoside
Barrier Repair7
Strengthens and restores the skin's natural barrier.
Caprylyl Glycol, Glycerin, Niacinamide, Panax Ginseng Root Extract, Panthenol, Propylene Glycol, Xylitol
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 Dermatitis2
May feed the yeast involved in seborrheic dermatitis.
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
PEG-40 Hydrogenated Castor Oil
Cleansing
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Skin Conditioning
Panthenol (in both products)
Skin Conditioning
0 / 0
- Panthenol (provitamin B5)
- Barrier Repair
- Hydrating
- Reduces Irritation
Humectant
Humectant
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
Ascorbyl Glucoside (in both products)
Antioxidant
- Vitamin C
- Vitamin C derivative (stable)
- Antioxidant
- Brightening
- Dark Spots
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.
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 →Sodium Hyaluronate
Humectant, Skin Conditioning
Sodium Hyaluronate is a hyaluronic acid.
Learn more about Sodium Hyaluronate →Panthenol
Antistatic, Hair Conditioning, Skin Conditioning
Panthenol is panthenol (provitamin B5).
Learn more about Panthenol →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 →Ascorbyl Glucoside
Antioxidant
Ascorbyl Glucoside is a vitamin C derivative.
Learn more about Ascorbyl Glucoside →Ethylhexylglycerin
Deodorant, Skin Conditioning
Ethylhexylglycerin is the organic compound that conforms to the formula
Learn more about Ethylhexylglycerin →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 →
Similar Comparisons
Each product against its closest dupes.
- View the comparison

No7
HydraLuminous+ Serum

No7
Future Renew™ Damage Reversal Night Serum
- View the comparison

Paula's Choice
10% Niacinamide Booster

Paula's Choice
Niacinamide 20% Treatment
- View the comparison

No7
HydraLuminous+ Serum

No7
Future Renew™ Damage Reversal Serum
- View the comparison

Paula's Choice
10% Niacinamide Booster

COSRX
The Niacinamide 15 Serum