The Vitamin C 13 Serum with Super Vitamin E & Hyaluronic Acid vs Advanced The Vitamin C 23 Serum with Super Vitamin E & Hyaluronic Acid — Ingredient Comparison

COSRX

The Vitamin C 13 Serum with Super Vitamin E & Hyaluronic Acid

Serum · 25 ingredients · South Korea

COSRX The Vitamin C 13 Serum offers a mild, beginner-friendly dose of vitamin C to visibly brighten and even skin tone. Ideal for sensitive skin seeking daily radiance with less irritation.

COSRX

Advanced The Vitamin C 23 Serum with Super Vitamin E & Hyaluronic Acid

Serum · 34 ingredients · South Korea

COSRX Advanced The Vitamin C 23 Serum returns renewed with improved stability and a gentler, smoother texture. Brightens dark spots and boosts radiance with concentrated 23% vitamin C.

Your fit

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How these two interact

No conflicts — safe to layer

Both are Serum products.

At a glance

Price

$16.80

$3.20 less

$20

Key ingredients

L-Ascorbic Acid

A form of vitamin C — an antioxidant that brightens, fades dark spots, and supports collagen.

Niacinamide

Strengthens the barrier, controls oil, and fades dark spots — gentle and plays well with almost everything.

Hyaluronic Acid

Holds water in the skin for instant plumping and hydration.

Squalane

A lightweight, biomimetic oil that softens without clogging pores — pairs perfectly with strong actives to offset dryness.

Vitamin E

An antioxidant that protects the barrier and supercharges vitamin C.

Ascorbic Acid(13%)

A form of vitamin C — an antioxidant that brightens, fades dark spots, and supports collagen.

Panthenol (B5)

A barrier-repairing humectant that hydrates and calms — a sensitive-skin staple.

Caffeine

An antioxidant that temporarily de-puffs and tightens — popular around the eyes.

Glutathione

An antioxidant brightener that supports a more even tone.

Adenosine

A cell-signaling ingredient that smooths fine lines and supports firmer skin.

Allantoin

Calms redness and smooths texture — buffers harsh actives beautifully.

Elaeis Guineensis (Palm) Oil

A nourishing plant oil that softens skin and helps seal in moisture.

Licorice Root

Brightens and soothes at once.

L-Ascorbic Acid

A form of vitamin C — an antioxidant that brightens, fades dark spots, and supports collagen.

Niacinamide

Strengthens the barrier, controls oil, and fades dark spots — gentle and plays well with almost everything.

Hyaluronic Acid

Holds water in the skin for instant plumping and hydration.

Squalane

A lightweight, biomimetic oil that softens without clogging pores — pairs perfectly with strong actives to offset dryness.

Vitamin E

An antioxidant that protects the barrier and supercharges vitamin C.

Ascorbic Acid(23%)

A form of vitamin C — an antioxidant that brightens, fades dark spots, and supports collagen.

Panthenol (B5)

A barrier-repairing humectant that hydrates and calms — a sensitive-skin staple.

Caffeine

An antioxidant that temporarily de-puffs and tightens — popular around the eyes.

Glutathione

An antioxidant brightener that supports a more even tone.

Adenosine

A cell-signaling ingredient that smooths fine lines and supports firmer skin.

Allantoin

Calms redness and smooths texture — buffers harsh actives beautifully.

Elaeis Guineensis (Palm) Oil

A nourishing plant oil that softens skin and helps seal in moisture.

Helianthus Annuus (Sunflower) Seed Oil

A nourishing plant oil that softens skin and helps seal in moisture.

Licorice Root

Brightens and soothes at once.

Carthamus Tinctorius (Safflower) Seed Oil

A nourishing plant oil that softens skin and helps seal in moisture.

Camellia Japonica Seed Oil

A nourishing plant oil that softens skin and helps seal in moisture.

What it targets

Hydration

Barrier

Brightening

Anti-aging

Firmness

Texture

Pores

Oil control

Soothing

Antioxidant

Hydration

Barrier

Brightening

Anti-aging

Firmness

Texture

Pores

Oil control

Soothing

Antioxidant