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Medicube's EGF NAD+ Firming Serum pairs Epidermal Growth Factor with NAD+ — a coenzyme your skin naturally produces less of with age — to help restore firmness, smooth fine lines, and bring back that bounce. Thirty millilitres of precisely formulated science, doing the heavy lifting while you rest.
Four key actions working together for noticeably firmer, healthier-looking skin.
Many firming serums rely on a single active. The EGF NAD+ Firming Serum pairs two clinically-studied ingredients — EGF and NAD+ — to target both surface renewal and deep cellular energy at once.
Based on user trials measuring firmness, texture, and overall skin condition.
After cleansing and toning, apply 2–3 drops to your face and neck, pressing gently into the skin rather than rubbing. Follow with your usual moisturiser to seal everything in. Use nightly for best results — most users notice a difference by the end of their second week.
Building confidence with clear answers to your concerns.
For best results, apply it every night as part of your evening routine. Once your skin has adjusted over the first fortnight, some users introduce a morning application as well — but nightly use is where the real firming work happens.
Yes — the formula is designed to be gentle enough for sensitive skin types. That said, if your skin is reactive or you're new to EGF-based products, we recommend patch-testing on your inner arm for a few days before applying to your face.
It has a lightweight, slightly silky texture that absorbs quickly without leaving a sticky or greasy film. Your skin feels smooth and comfortable the moment it sinks in — no heavy layer sitting on top.
Absolutely. Apply it after lighter water-based toners or essences, then follow with a richer moisturiser. If you use a retinol or exfoliating acid in your routine, consider alternating nights to avoid overloading your skin barrier.
Most users report their skin feeling firmer and looking more rested within 14 days of nightly use. More significant changes to fine lines and overall elasticity typically become visible after four to six weeks of consistent use.
EGF (Epidermal Growth Factor) signals your skin cells to renew themselves more efficiently, which helps smooth out fine lines and improve texture. NAD+ is a coenzyme that fuels cellular energy production — levels decline with age, so supplementing it topically helps skin cells function more like they did when you were younger.
It's primarily formulated for loss of firmness and elasticity, fine lines, and dull or fatigued-looking skin. It's a great choice if you're noticing the early signs of ageing or simply want skin that looks more energised and bouncy.
Always apply the serum before your moisturiser. Serums contain smaller molecules that need direct contact with skin to absorb properly. After pressing in the serum, wait 30–60 seconds and then apply your moisturiser to lock the actives in.
Real feedback from real customers.
My skin feels genuinely bouncier — like it has more structure under the surface. I've been through a few firming serums and none have made this kind of difference in the first fortnight. The texture is beautifully silky and disappears into skin without any fuss. 🙌
Ek was skepties oor die prys maar dit was die moeite werd. My jawline looks noticeably tighter after about three weeks and my skin tone is evening out too. It layers perfectly under my moisturiser without pilling.
Really impressed with how quickly this absorbed — no residue at all, which is great because I hate waiting ages before applying the next step. The firming effect around my cheeks was visible at about week two. Would have given five stars but the dropper could dispense a bit more evenly.
I started using this after noticing my skin was looking a bit flat and tired. Within a month my colleagues were asking what I'd changed in my routine — that says everything. The serum has a faintly fresh scent that I find really pleasant at bedtime.
The science behind EGF is fascinating and the results back it up. Fine lines around my eyes and mouth look softer and my overall complexion is brighter. It doesn't irritate my combination-sensitive skin at all, which I was worried about initially.
Good serum — my skin is visibly smoother at the forehead where I tend to get expression lines. The bottle is compact so it's easy to travel with. I'm only halfway through my first bottle so I expect the results to keep improving.
I've been recommending this to every friend who asks about anti-ageing. The NAD+ ingredient alone piqued my interest because I'd read about it, but the EGF combination really seems to accelerate the results. My skin looks plumper and the fine lines on my neck have softened considerably.
Honestly one of the best serums I've tried from the K-beauty world. It feels expensive on the skin — that smooth, almost weightless slip — and the firming effect around my cheekbones became obvious to me after about 12 days of consistent nightly use.
My skin tone is more even and there's a subtle lift around my brow area that I wasn't expecting. The serum is quite lightweight so I do layer a slightly richer moisturiser on top, but it works beautifully in that combination.
I'm in my early forties and starting to notice the loss of elasticity that everyone warns you about. This serum has genuinely helped restore some of that bounce — it's not a miracle overnight, but consistent nightly use made a real difference to my skin's firmness within a month.
The absorption speed is unreal — I press three drops into my face, wait barely a minute, and my skin already feels soft and prepped for moisturiser. My skin looks more radiant in the mornings, which I credit entirely to this serum.
Bought this on a whim after seeing it recommended online and I haven't looked back. The texture is like water with a tiny bit of slip — nothing heavy or clogging. My pores even look smaller since I started using it, which I wasn't expecting from a firming serum.
This is a great serum and I can feel the quality in the formula. The firming results have been gradual but consistent — by week four the difference in my skin's elasticity was clear. I just wish it came in a 50ml size because 30ml goes quickly when you're diligent about it.
I apply this after my toner and the way it just melts into my skin every evening is something I look forward to. My husband actually commented that my skin looks 'fresher' — coming from someone who never notices anything, that's high praise. Visible lift around the cheeks.
I've been using this as part of my nighttime routine for over a month and the change in my skin's texture and firmness is undeniable. It's smooth where it used to feel slightly crepey and the overall tone is more even. This is now a permanent part of my shelf.
Really solid serum — it layered beautifully under my heavier night cream without any separation. My forehead lines are noticeably softer and my skin feels more supple in the mornings. Knocking one star only because the packaging feels slightly basic for the price point.
The first thing I noticed was how calm my skin felt the morning after the first use — no redness, no irritation, just soft and settled. Over the following weeks the firmness around my jawline improved and my skin looks more defined. Absolutely worth it.
I work long hours and it shows on my face — tired, slightly dull, starting to sag around the cheeks. This serum has genuinely energised my complexion. The NAD+ angle really resonated with me because cellular energy is exactly what stressed, fatigued skin needs.
Hierdie serum is 'n game changer vir my aand-roetine. The fine lines between my eyebrows have softened and my skin feels so much firmer when I press it. I love that it doesn't leave any stickiness — just clean, hydrated skin ready for moisturiser.
Good purchase overall — the serum feels premium and my skin's texture has definitely improved over the past few weeks. I noticed the firming effect mostly around my temples and cheekbones. Will definitely repurchase once this bottle runs out.
