
COSRX
The 6 Peptide Skin Booster Serum with Niacinamide & Hyaluronic Acid
Serum · 45 ingredients · South Korea
The 6 Peptide Skin Booster Serum from COSRX enhances overall skin condition as your first step serum.

The Ordinary
Multi-Peptide + Copper Peptides 1% for Wrinkles and Skin Elasticity
Serum · 49 ingredients · Canada
The Ordinary "Buffet" + Copper Peptides 1% Serum is now the Multi-Peptide + Copper Peptides 1% Serum. This serum targets multiple signs of aging at once, while helping improve the appearance of fine and dynamic lines, and supports the skin's overall elasticity, smoothness, and firmness.
Set your skin profile to see how these suit you
Set your skin profileNo conflicts — safe to layer
Both are Serum products.
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.
Vitamin E
An antioxidant that protects the barrier and supercharges vitamin C.
Glycerin
The workhorse humectant — simple, effective, and exceptionally well-tolerated.
Adenosine
A cell-signaling ingredient that smooths fine lines and supports firmer skin.
AHA
Sodium Pca
A humectant that pulls water into the skin for plumper, more hydrated skin.
Copper Peptides
Regenerative — speeds healing and remodels skin.
Allantoin
Calms redness and smooths texture — buffers harsh actives beautifully.
Glycine Soja (soybean) Oil
A nourishing plant oil that softens skin and helps seal in moisture.
Hyaluronic Acid
Holds water in the skin for instant plumping and hydration.
Peptides
Amino-acid messengers that signal collagen production for firmer, smoother skin.
Glycerin
The workhorse humectant — simple, effective, and exceptionally well-tolerated.
Copper Peptides
Regenerative — speeds healing and remodels skin.
Allantoin
Calms redness and smooths texture — buffers harsh actives beautifully.
Urea
A humectant that pulls water into the skin for plumper, more hydrated skin.
Sodium Pca
A humectant that pulls water into the skin for plumper, more hydrated skin.
AHA
Hydration
Barrier
Brightening
Anti-aging
Firmness
Texture
Pores
Oil control
Soothing
Antioxidant
Healing
Hydration
Anti-aging
Firmness
Texture
Soothing
Healing