Dipeptide-4
Peptide that helps reduce under-eye puffiness
About Dipeptide-4
Dipeptide-4 is a synthetic peptide composed of four amino acids, specifically designed to target under-eye puffiness and dark circles. In K-beauty formulations, this ingredient has gained traction for its ability to address lymphatic drainage and fluid retention around the delicate eye area. Unlike heavier eye creams that simply moisturize, Dipeptide-4 works at a cellular level to reduce the appearance of bags and swelling. It's particularly valued in Korean skincare for its lightweight texture and compatibility with layering routines. You'll find it in premium eye treatments and anti-aging essences, often paired with other peptides or brightening ingredients. With a perfect comedogenic rating of 0/5, it won't clog pores or cause milia (those tiny white bumps that can appear around the eyes). The ingredient's presence in 13 K-beauty products on Seoul Sister, including top-rated formulations from Numbuzin's No. 9 NAD line, reflects its growing importance in advanced eye care. Korean brands often combine Dipeptide-4 with ingredients like NAD+, retinal, and PDRN to create comprehensive anti-aging solutions that go beyond simple hydration.
How Dipeptide-4 Works
Dipeptide-4 functions by targeting the lymphatic system around the eyes, which is responsible for draining excess fluid from tissues. When lymphatic circulation slows down (due to lack of sleep, allergies, aging, or genetics), fluid accumulates in the under-eye area, creating visible puffiness. This peptide helps stimulate lymphatic drainage and reduces capillary permeability, meaning less fluid leaks into surrounding tissues. At the molecular level, Dipeptide-4 works by modulating the expression of certain proteins involved in fluid balance and vascular integrity. It also has mild anti-inflammatory properties that help calm the tissue swelling that contributes to puffy appearance. The peptide is small enough to penetrate the thin skin around the eyes, where it can signal cells to improve microcirculation and reduce fluid retention. Unlike caffeine (which provides temporary constriction), Dipeptide-4 offers a more sustained approach to managing under-eye puffiness through improved cellular function.
Dipeptide-4 by Skin Type
Oily Skin
Dipeptide-4 works beautifully for oily skin types who want to address under-eye concerns without adding heaviness. Its lightweight nature means it won't contribute to congestion or milia formation around the eyes. Oily skin types can use it morning and night without worrying about excess shine or texture issues in the eye area.
Dry Skin
For dry skin, Dipeptide-4 addresses puffiness but should be layered with hydrating ingredients since peptides alone don't provide moisture. Look for formulations like the Numbuzin No. 9 NAD RetinA Volume Shot Eye Cream that combine this peptide with nourishing ingredients. The peptide improves circulation and drainage while companion ingredients handle hydration needs.
Combo Skin
Combination skin benefits significantly from Dipeptide-4 because the eye area is often the first to show signs of fatigue and aging, regardless of your T-zone behavior. The non-comedogenic profile means you can apply it liberally without causing breakouts on surrounding skin. It's particularly useful if your under-eye area looks puffy in the morning but feels tight by evening.
Sensitive Skin
Sensitive skin types generally tolerate Dipeptide-4 well due to its gentle, targeted action and anti-inflammatory properties. With a safety rating of 4/5, it's suitable for most people, though always patch test first. The peptide doesn't cause irritation the way some stronger actives might, making it a safe choice for reactive skin around the delicate eye area.
Normal Skin
Normal skin types can fully appreciate what Dipeptide-4 offers without worrying about compatibility issues. Use it preventatively to maintain a smooth, depuffed eye area, especially if you're starting to notice morning puffiness or fluid retention. Products like AHC's 10 Revolution Real Eye Cream For Face show this ingredient works effectively on normal skin when part of a comprehensive routine.
How to Use Dipeptide-4
- 1Apply Dipeptide-4 products with gentle patting motions using your ring finger (which applies the least pressure) to avoid tugging the delicate eye skin while promoting lymphatic drainage.
- 2For maximum depuffing benefits, store your Dipeptide-4 eye cream in the refrigerator and apply it cold in the morning when under-eye puffiness is typically most noticeable.
- 3Layer Dipeptide-4 products after your essence or serum but before heavier creams to ensure optimal absorption of this lightweight peptide into the skin.
- 4Use consistently for at least 4-6 weeks to see visible improvements in under-eye puffiness, as peptides work gradually by improving cellular function rather than providing instant cosmetic effects.
- 5Pair with products containing complementary ingredients like NAD+ or PDRN (as seen in Numbuzin's No. 9 line) to address multiple aspects of eye aging simultaneously.
Background
Dipeptide-4 emerged from peptide research in the early 2000s when cosmetic scientists began exploring targeted solutions for specific aging concerns. Unlike earlier peptides that focused broadly on collagen production, Dipeptide-4 was designed specifically to address vascular and lymphatic issues contributing to under-eye puffiness. The ingredient gained particular prominence in K-beauty as Korean brands embraced the concept of targeted treatment rather than one-size-fits-all eye creams. Korean formulations began incorporating Dipeptide-4 into sophisticated multi-peptide complexes, often combining it with other advanced ingredients like NAD+ and growth factors. This reflects K-beauty's philosophy of addressing skin concerns through multiple pathways simultaneously. The ingredient's appearance in premium lines like Numbuzin's No. 9 NAD series demonstrates how Korean brands have elevated peptide technology beyond basic anti-aging into precise, results-driven skincare.
K-Beauty Products with Dipeptide-4
View all 13 →
No. 9 NAD Bio Lifting-sil Essence
Numbuzin
No. 9 NAD PDRN Glow Treatment Toner
Numbuzin
No. 9 NAD Ultimate Lifting Set
Numbuzin
No. 9 NAD RetinA Volume Shot Eye Cream
Numbuzin
10 Revolution Real Eye Cream For Face
AHC
Youth Lasting Real Eye Cream For Face Special Wrinkle Care Set
AHC
No. 9 NAD Bio Lifting-sil Full Face Pack Sheet 4ea Set
Numbuzin
No. 9 NAD Bio Lifting-sil Full Face Pack Sheet
Numbuzin
10 Revolution Real Eye Cream For Face Special Firming Set
AHC
Vegan Calendula Peptide Ageless Sleeping Mask
Mary&May
No. 9 NAD Collagen Overnight Selfie Patch
Numbuzin
Angle Cut Lifting Patch
TOXNFILL
Frequently Asked Questions
How long does it take to see results from Dipeptide-4 eye creams?▼
Can Dipeptide-4 replace caffeine in my eye cream?▼
Is Dipeptide-4 safe to use with retinol or vitamin C?▼
Will Dipeptide-4 help with dark circles or just puffiness?▼
Why do K-beauty brands like Numbuzin pair Dipeptide-4 with NAD+?▼
Explore More
Want personalized ingredient advice?
Yuri, our AI beauty advisor, can analyze how Dipeptide-4 works with your specific skin type, routine, and concerns.
Try Seoul Sister Pro