COSRX
6X Peptide Collagen Booster Toner Serum
A light ferment & essence for aging and dullness, built around Peptides, with reviewed formula data, and some patch-test cautions.
Routine step
Toners & Essences
Category
Ferment & Essence
When to use
Morning or night
Skin fit
Aging
9/10
Dullness
9/10
Texture
9/10
Pores
3/10
Best for
Key ingredients
Acetyl Hexapeptide-8
Stimulates firmer-looking skin support and reduces fine lines
Copper Tripeptide-1
Provides amino acids for skin structure support
Niacinamide
Improves skin elasticity and barrier function
Cautions
Sensitive skin may sting. Patch-test before using it all over.
Formula checked
Koracle has a reviewed ingredient source for this product.
Checked 2026-05-01
Available
Check current price before you buy.
Koracle is skincare education, not medical or dermatology advice. Patch-test new products. Ask a licensed dermatologist about acne, rosacea, eczema, allergic reactions, pregnancy concerns, or symptoms that persist.