No.6 Deep Sleep Mask Serum
No.4 Ceramide AHA Glazed Skin Prep Serum

A serum built around Niacinamide and Hyaluronic acid, for hydration and barrier repair.

A serum built around AHA and Glycolic acid, for hydration and barrier repair.

Serum
Serum
40 ingredients
41 ingredients

Brand price

USD 21.00 · checked 26 Sept 2026 · brand's site

Brand price

USD 18.20 · checked 26 Sept 2026 · brand's site

No retailer listed yet
No retailer listed yet
Brand from South Korea
Brand from South Korea

At a Glance

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Key Ingredients

Benefits

Concerns

  • May Trigger Acne1

    Can clog pores or trigger breakouts.

    Tocopherol

  • May Worsen Seborrheic Dermatitis1

    May feed the yeast involved in seborrheic dermatitis.

    Polyglyceryl-10 Laurate

  • May Worsen Keratosis Pilaris1

    May clog follicles or strip skin prone to keratosis pilaris.

    Tocopherol

  • May Worsen Irritation1

    May cause stinging, redness or sensitivity.

    Tocopherol

Ingredients Side-by-side

Show highlights for:
  • Water

    Skin Conditioning

  • Glycerin (in both products)

    Humectant

    0 / 0

    • Possibly animal-derived
    • Hydrating
  • Glycolic Acid

    Buffering

    0-1 / —

    • AHA
    • Glycolic acid
    • Anti-Aging
    • Brightening
    • Dark Spots
    • Exfoliating
    • Smoothing
  • Butylene Glycol (in both products)

    Humectant

    1 / 0

    • Hydrating
  • Gluconolactone

    Skin Conditioning

    • PHA
    • Exfoliating
    • Hydrating
  • Betaine

    Humectant

    0 / —

    • Hydrating
  • Dipropylene Glycol

    Perfuming

    0-1 / —

  • Niacinamide (in both products)

    Smoothing

    0 / —

    • Niacinamide
    • Acne Fighting
    • Barrier Repair
    • Brightening
    • Dark Spots
    • Even Tone
    • Oil Control
    • Pore Refining
    • Redness Reducing
  • Panthenol (in both products)

    Skin Conditioning

    0 / 0

    • Panthenol (provitamin B5)
    • Barrier Repair
    • Hydrating
    • Reduces Irritation
  • Pentylene Glycol (in both products)

    Skin Conditioning

    0-1 / —

Ingredients Explained

These ingredients are found in both products.

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

Similar Comparisons

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