Advanced The Vitamin C 23 Serum
Holy Hyssop Serum 30

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

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

Serum
Serum
30 ingredients
38 ingredients

Brand price

USD 25.00 · checked 25 Sept 2026 · brand's site

Brand price

USD 24.00 · 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

They come out differently on Silicone-free and Oil-free; those rows are shaded. Tap any answer to see why.

Key Ingredients

  • Face oil1

    An oil formulated to be used on the face.

    Squalane

  • Vitamin E1

    Tocopherols — fat-soluble antioxidants.

    Tocopherol

  • Vitamin C (L-ascorbic acid)1

    L-ascorbic acid, the unesterified form of vitamin C.

    Ascorbic Acid

  • Vitamin C derivative (stable)1

    Stable derivatives of ascorbic acid.

    3-O-Ethyl Ascorbic Acid

Benefits

Concerns

Ingredients Side-by-side

Show highlights for:
  • Aqua

    Solvent

    0 / —

  • Ascorbic Acid (in both products)

    Antioxidant

    • Vitamin C
    • Vitamin C (L-ascorbic acid)
    • Anti-Aging
    • Anti-Pollution
    • Antioxidant
    • Brightening
    • Dark Spots
    • Even Tone
  • Butylene Glycol (in both products)

    Humectant

    1 / 0

    • Hydrating
  • Dimethicone

    Emollient

    1 / 0

    • Silicones
    • Barrier Repair
    • Hydrating
    • Smoothing
  • Panthenol (in both products)

    Skin Conditioning

    0 / 0

    • Panthenol (provitamin B5)
    • Barrier Repair
    • Hydrating
    • Reduces Irritation
  • 3-O-Ethyl Ascorbic Acid (in both products)

    Skin Conditioning

    • Vitamin C
    • Vitamin C derivative (stable)
    • Antioxidant
    • Brightening
    • Dark Spots
  • Squalane

    Emollient

    1 / 0

    • Face oil
    • Barrier Repair
    • Hydrating
    • May Worsen Oily Skin
  • Sodium Hydroxide

    Buffering

    0 / —

  • Caffeine

    Skin Conditioning

    • Under-Eye Care
  • Sodium Hyaluronate (in both products)

    Humectant

    0 / 0

    • Hyaluronic acid
    • Hydrating

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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