Best Korean Peptide Serums for Plump and Youthful Skin

If you haven’t gotten the memo, peptides are the latest IT girl in the Korean skin care world.

Peptides are short chains of amino acids, which are building blocks of collagen and elastin – two essential proteins that boost skin firmness and elasticity. Certain types of peptides, like collagen peptides, are especially loved for their abilities to improve skin elasticity over time.

Peptides are a must-have in your anti-aging skin care arsenal. The powerhouse ingredient is also great for improving moisture levels and supporting a healthy skin barrier.

Read on to find which Korean peptide serums are actually worth the hype!

COSRX – The 6 Peptide Skin Booster

COSRX is a household name when it comes to peptide products, thanks to its all-rounder The 6 Peptide Skin Booster. This lightweight serum combines six types of peptides including copper peptides to help smooth fine lines and wrinkles, correct uneven skin texture and boost skin firmness. It also contains niacinamide to perk up dull skin, hyaluronic acid and panthenol to replenish hydration, and amino acids to improve overall skin health. The clinically tested peptide serum suits all skin types including sensitive skin. Use after cleansing step in your skin care routine.

numbuzin – No. 9 NAD Bio Lifting-sil Essence

The bestselling No. 9 NAD Bio Lifting-sil Essence from numbuzin is popular for its ability to target multiple signs of aging. It’s packed with a whopping 50 peptides to improve skin elasticity. These potent peptides are paired with NAD+, Vitamin C and Vitamin E to help accelerate skin cell turnover and restore skin resilience. Thanks to barrier-supporting ingredients like panthenol and sodium hyaluronate, the essence keeps skin hydrated. 

PURCELL – 82% High Dose Peptide Formula

PURCELL’s 82% High Dose Peptide Formula is infused with  fermented hexapeptide complex and collagen to plump up and refine skin for a firmer appearance and youthful glow. The watery, lightweight texture absorbs easily into skin, layering perfectly as the first step of your skin care routine. Apply to tackle sagging skin and wrinkles on the under-eyes, forehead and nasolabial folds.

Dear, Klairs – EGF Blue Youth Activating Drop

An anti-aging serum that can also soothe sensitive and acne-prone skin? Yes, please! Dear, Klairs’s EGF Blue Youth Activating Drop features EGF and FGF peptides that work in tandem to support skin cell renewal and stimulate collagen production for youthful-looking skin. The serum gets its stunning blue hue from guaiazulene, a chamomile-derived ingredient prized for its calming and barrier-strengthening properties. The lightweight, watery formula effectively soothes redness and irritation, making it an excellent choice for sensitive skin types.

EQQUALBERRY – NAD+ Peptide Boosting Serum

EQQUALBERRY’s dreamy serum certainly stands out with its bubblegum pink hue! The formula has 14 types of peptides along with NAD+ to support collagen production and restore skin vitality for supple and firm skin. Five ceramides in the formula also deeply moisturize and strengthen the skin barrier. Other actives like niacinamide promote a youthful glow.

SUNGBOON EDITOR – Silk Peptide Intensive Lifting Ampoule

SUNGBOON EDITOR’s one-of-a-kind firming ampoule is formulated with 13 types of peptides and adenosine to restore skin elasticity. It also contains collagen threads in luxe gold strands and hydrating ingredients like hyaluronic acid, squalane and panthenol that support healthy skin. Great for mature skin, the formula helps minimize the appearance of wrinkles on the forehead, eyes and nasolabial folds for a more youthful complexion.

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Sonia is always on the hunt for her next holy grail beauty product that can undo the effects of her caffeine and spicy food addictions. As a Gen-Z who likes to keep things simple, her personal style reflects the age-old philosophy: less is more.