Paula's Choice
Niacinamide 20% TreatmentArencia
TXA Booster ShotA serum built around Niacinamide and Vitamin C derivative, for barrier repair and hydration.
A serum built around Tranexamic acid and Niacinamide, for hydration and barrier repair.
Brand price
USD 59.00 · checked 8 Oct 2026 · brand's site
Brand price
USD 24.00 · checked 26 Sept 2026 · brand's site

At a Glance

They come out differently on Oil-free; that row is shaded. Tap any answer to see why.

Key Ingredients

Ceramide3
Skin-identical lipids that hold the barrier together.
Hyaluronic acid1
Hyaluronic acid and its salts; a humectant that binds water to the skin.

Benefits

Hydrating6
Boosts hydration and relieves dry, tight skin.
Acetyl Glucosamine, Butylene Glycol, Camellia Sinensis Leaf Extract, Glycerin, Panthenol, Propanediol
Barrier Repair9
Strengthens and restores the skin's natural barrier.
Allantoin, Boerhavia Diffusa Root Extract, Camellia Japonica Flower Extract, Camellia Sinensis Leaf Extract, Glycerin, Glycyrrhiza Glabra Root Extract, Lecithin, Niacinamide, Panthenol
Reduces Irritation4
Eases discomfort and supports skin resilience.
Allantoin, Camellia Sinensis Leaf Extract, Glycyrrhiza Glabra Root Extract, Panthenol
Redness Reducing3
Soothes visible redness and calms irritation.
Hydrating10
Boosts hydration and relieves dry, tight skin.
Acetyl Hexapeptide-8, Butylene Glycol, Caprylic/Capric Triglyceride, Ceramide AP, Ceramide EOP, Ceramide NP, Glycerin, Panthenol, Propanediol, Sodium Hyaluronate
Barrier Repair9
Strengthens and restores the skin's natural barrier.
Adansonia Digitata Seed Oil, Allantoin, Caprylic/Capric Triglyceride, Ceramide AP, Ceramide EOP, Ceramide NP, Glycerin, Niacinamide, Panthenol
Reduces Irritation3
Eases discomfort and supports skin resilience.
Redness Reducing3
Soothes visible redness and calms irritation.

Concerns

May Worsen Seborrheic Dermatitis2
May feed the yeast involved in seborrheic dermatitis.
May Worsen Seborrheic Dermatitis14
May feed the yeast involved in seborrheic dermatitis.
Acetyl Hexapeptide-8, Adansonia Digitata Seed Oil, Ceramide AP, Ceramide As, Ceramide EOP, Ceramide NP, Ceramide Ns, Hydrogenated Lecithin, Palmitoyl Hexapeptide-12, Palmitoyl Pentapeptide-4, Palmitoyl Tetrapeptide-7, Palmitoyl Tripeptide-1, Palmitoyl Tripeptide-38, Polyglyceryl-10 Laurate

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
Skin Conditioning
- Fatty alcohols (Malassezia)
- Dark Spots
- Hydrating
- May Worsen Seborrheic Dermatitis
Skin Conditioning
Skin Conditioning
Water (in both products)
Skin Conditioning
Skin Conditioning
Niacinamide (in both products)
Smoothing
0 / —
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
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 →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 →Allantoin
Skin Conditioning, Skin Protecting, Soothing
Urea, (2,5-dioxo-4-imidazolidinyl)-
Learn more about Allantoin →Panthenol
Antistatic, Hair Conditioning, Skin Conditioning
Panthenol is panthenol (provitamin B5).
Learn more about Panthenol →Silica
Abrasive, Absorbent, Anticaking, Bulking, Opacifying, Viscosity Controlling
Silicon dioxide
Learn more about Silica →Sclerotium Gum
Emulsion Stabilising, Skin Conditioning, Viscosity Controlling
Sclerotium rolfssii gum
Learn more about Sclerotium Gum →Propanediol
Solvent, Viscosity Controlling
Propanediol is the organic compound that conforms to the formula
Learn more about Propanediol →Sodium Phytate
Chelating, Oral Care
Myo-Inositol, hexakis(dihydrogen phosphate), sodium salt
Learn more about Sodium Phytate →
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