Collagen Bank Vitamin C Face Serum Fragrance Free vs Pure Vitamin C24 Serum — Ingredient Comparison

Neutrogena

Collagen Bank Vitamin C Face Serum Fragrance Free

Serum · 11 ingredients · USA

Neutrogena Collagen Bank Vitamin C Face Serum Fragrance Free helps strengthen & build collagen, evens skin tone & improves discoloration. 2% PHA gently exfoliates allowing Vitamin C to absorb into refreshed skin.

Fragrance-free

TIRTIR

Pure Vitamin C24 Serum

Serum · 19 ingredients

TIRTIR's Pure Vitamin C24 Serum visibly brightens the skin with a powerful 24% pure Vitamin C, while Triple Collagen helps revitalize and improve skin elasticity.

Your fit

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How these two interact

No conflicts — safe to layer

Both are Serum products.

At a glance

Fragrance-free

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Price

$18.19

$6.81 less

$25

Key ingredients

L-Ascorbic Acid

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

Peptides

Amino-acid messengers that signal collagen production for firmer, smoother skin.

Gluconolactone (PHA)

A gentle, large-molecule exfoliant that smooths and hydrates — ideal for sensitive skin.

Collagen

A large hydrating molecule that forms a moisture-retaining film on the surface for a plump, smooth feel.

Green Tea (EGCG)

An antioxidant that calms inflammation and helps regulate oil.

L-Ascorbic Acid

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

Peptides

Amino-acid messengers that signal collagen production for firmer, smoother skin.

Centella

Calms inflammation and speeds barrier recovery.

Collagen

A large hydrating molecule that forms a moisture-retaining film on the surface for a plump, smooth feel.

What it targets

Hydration

Brightening

Anti-aging

Firmness

Texture

Oil control

Soothing

Antioxidant

Healing