Our signature
Prepare
Start with COSRX Glass Essence, a lightweight six-peptide toner-serum, after cleansing.
COSRX Glass Essence
Free US shipping on every order
Glass-skin care for a smoother, more radiant-looking complexion. Start with COSRX Glass Essence, our six-peptide toner-serum.
Our flagship
Six peptides and collagen in one weightless toner-serum. The first step to a smoother, dewier glow.
Inside COSRX Glass Essence
Peptides are short chains of amino acids that help support the look of firm, resilient skin. Glass Essence puts six of them in one lightweight toner-serum, with collagen and hyaluronic acid.
The glass skin ritual
Our signature
Start with COSRX Glass Essence, a lightweight six-peptide toner-serum, after cleansing.
COSRX Glass Essence
Add a hydrating jelly mask for an extra moment of care.
Medicube Jelly Glow Duo
Finish with a moisturizer to help keep skin feeling soft and hydrated.
medi-cube Velvet Balm
Complete your routine
Your daily peptide booster, paired with overnight jelly masks. One set for the whole glass-skin ritual.
Reviews
Only genuine customer reviews appear here, never written by us. Tried COSRX Glass Essence? Be one of the first to share how your skin feels.
Questions
Start with COSRX Glass Essence. It is the first treatment step in the ritual, and its lightweight texture suits most skin types. If your skin is sensitive, patch test on a small area first.
After cleansing, prepare with COSRX Glass Essence, treat with a hydrating jelly mask when you want extra care, then seal with a moisturizer. Add sunscreen in the morning.
Shipping takes 2–5 business days, and it is free on every US order. You will see your estimated delivery at checkout.
If you have a question about a return, contact us through our contact page and our team will be happy to help.
The set for your 20s
6-Piece Skincare Set for Your 20s, 3-Month Supply