
COSRX
5 PDRN Collagen Intense Vitalizing Serum with Adenosine & Niacinamide
Serum · 39 ingredients · South Korea
COSRX 5 PDRN Collagen Intense Vitalizing Serum lifts, firms, and brightens with five PDRN derivatives and low-molecular collagen. Clinically proven to boost radiance and smooth fine lines.

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.
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Set your skin profileNo conflicts — safe to layer
Both are Serum products.
Brightening duo
Hydration support
Antioxidant duo
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.
Peptides
Amino-acid messengers that signal collagen production for firmer, smoother skin.
Centella
Calms inflammation and speeds barrier recovery.
Vitamin E
An antioxidant that protects the barrier and supercharges vitamin C.
Glycerin
The workhorse humectant — simple, effective, and exceptionally well-tolerated.
Panthenol (B5)
A barrier-repairing humectant that hydrates and calms — a sensitive-skin staple.
Adenosine
A cell-signaling ingredient that smooths fine lines and supports firmer skin.
Collagen
A large hydrating molecule that forms a moisture-retaining film on the surface for a plump, smooth feel.
Allantoin
Calms redness and smooths texture — buffers harsh actives beautifully.
Alpha Arbutin
A safe, stable brightener without the risks of hydroquinone.
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.
Hydration
Barrier
Brightening
Anti-aging
Firmness
Texture
Pores
Oil control
Soothing
Antioxidant
Healing
Hydration
Barrier
Brightening
Anti-aging
Firmness
Soothing
Antioxidant
Healing