Niacinamide 20% Treatment
15% Niacinamide Purity Serum

Paula's Choice

Niacinamide 20% Treatment

Dr.Althea

15% Niacinamide Purity Serum

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

A serum built around Niacinamide and Zinc salt, for hydration and barrier repair.

Serum
Serum
25 ingredients
19 ingredients

Brand price

USD 59.00 · checked 8 Oct 2026 · brand's site

Brand price

USD 23.90 · checked 26 Sept 2026 · brand's site

No retailer listed yet
No retailer listed yet
Brand country not recorded
Brand from South Korea

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

  • Vitamin C derivative (stable)1

    Stable derivatives of ascorbic acid.

    Ascorbyl Glucoside

  • Panthenol (provitamin B5)1

    Provitamin B5 — a humectant and soother.

    Panthenol

  • Niacinamide1

    Vitamin B3 — supports the barrier and evens tone.

    Niacinamide

  • Vitamin C1

    Vitamin C in any form: an antioxidant and brightener.

    Ascorbyl Glucoside

  • Vitamin E1

    Tocopherols — fat-soluble antioxidants.

    Tocopherol

  • Zinc salt (sebum/soothing)1

    Zinc salts, used for sebum control and soothing.

    Zinc PCA

  • Niacinamide1

    Vitamin B3 — supports the barrier and evens tone.

    Niacinamide

Benefits

Concerns

Ingredients Side-by-side

Show highlights for:

  • Water (in both products)

    Skin Conditioning

  • Pentylene Glycol (in both products)

    Skin Conditioning

    0-1 / —

  • Niacinamide (in both products)

    Smoothing

    0 / —

    • Niacinamide
    • Acne Fighting
    • Barrier Repair
    • Brightening
    • Dark Spots
    • Even Tone
    • Oil Control
    • Pore Refining
    • Redness Reducing

  • Butylene Glycol (in both products)

    Humectant

    1 / 0

    • Hydrating

  • 1,2-Hexanediol

    Skin Conditioning

  • Glycerin (in both products)

    Humectant

    0 / 0

    • Possibly animal-derived
    • Hydrating

  • Polyglyceryl-10 Laurate

    Emulsifying

    • Fatty esters (glyceryl stearate, PEG-100 stearate)
    • May Worsen Seborrheic Dermatitis

  • Trehalose

    Humectant

    0-1 / —

    • Hydrating

  • Xanthan Gum (in both products)

    Cleansing

    0-1 / —

  • Ethylhexylglycerin (in both products)

    Skin Conditioning

Ingredients Explained

These ingredients are found in both products.

Ingredients higher up in an ingredient list are typically present in a larger amount.

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