The 5 Firming Serums I Tried. Ranked Honestly.
The 5 Firming Serums I Tried. Ranked Honestly.
It wasn’t the mirror that got me. It was a photo somebody else took — slightly from below, in a restaurant. Front-on in my own bathroom light I still looked like myself. In that picture my skin looked thinner than I remembered it.
You know the feeling. You notice your skin doesn’t bounce back the way it used to. Foundation sits in places it never used to sit. You catch yourself in a shop window and think when did that start.
So I spent two years and about $1,400 trying to fix it. I kept notes, mostly because I was annoyed about the money. Here’s the honest ranking.
Number Five
The Clinic Appointment
It did what it promised. Anyone telling you injectables don’t work is arguing with reality — but they work on structure, not on the quality of your skin. They fill and they lift. They do not make thin skin thicker.
My problem was everything around it. It’s the most expensive thing on this list by a distance, it needs redoing forever, and it does nothing at all for the quality of the skin sitting on top of it.
Number Four
Face Yoga
Eleven weeks, every morning. It’s free, it’s genuinely relaxing, and the de-puffing is real — my face looked less swollen after ten minutes. But de-puffing isn’t firming. Whatever it moved came back by lunchtime, and after eleven weeks my skin itself felt exactly the same.
Number Three
The Microcurrent Device
This one surprised me — skin does look tighter and brighter after a session. I used mine before anything I cared about.
The catch is that it’s a rental, not a purchase. Stop for a week and you’re back where you started. Five minutes a day, forever. I stopped around month four, because I’m a human being.
Number Two
The Four Serums Before This One

This is the part that actually annoys me. Four bottles, all clear liquid, all promising firmness, all between $40 and $90. I finished none of them.
Nobody says this out loud: you cannot tell. They look identical, they feel identical. You’re trusting a label. After the third one you stop believing any of it — which is why I nearly didn’t try a fifth.
Number One
LUMA NYC Copper Peptide Serum
I bought it for a stupid reason: it’s blue, and I wanted to know why.
That turns out not to be marketing. Copper bound to a peptide chain absorbs light in the red-orange range and reflects blue — that colour is the copper. It’s why every genuine copper peptide solution looks like that. After four clear bottles I couldn’t verify a single thing about, I was holding one where the active was visible through the glass.
Copper peptides are one of the better-studied actives for skin quality — the firmness, elasticity and smoothness of the skin itself, rather than the shape underneath it. That distinction matters, and it’s the reason this is ranked where it is.
It’s lightweight, it doesn’t pill under sunscreen, and it smells of nothing. Two or three drops, morning and night, on face and neck. Small things — but they’re why a bottle gets finished instead of joining the other four.
Why it ended up first
Not because it does more than a clinic. It doesn’t — and I’d rather say that plainly than pretend. A serum works on your skin. It does not move the structure underneath it, and nothing you can buy in a bottle does.
It’s first because it’s the only thing here that is cheap, sustainable, and possible to verify with your own eyes. The device works and never stops asking for your time. The clinic works and never stops asking for your money. This asks for ten seconds and $59 — and eight weeks of actually using it.
The whole list
| What I tried | Works | Lasts | Cost | Grade |
|---|---|---|---|---|
| LUMA NYC Copper Peptides | Gradual | While used | $59 | A |
| Microcurrent device | Yes | ~1 day | $$$ | B− |
| Face yoga | De-puffs | Hours | Free | C |
| Clinic appointment | Yes | 6–12 mo | $$$$ | C− |
| Four unnamed serums | Couldn’t tell | — | $$–$$$ | D |
Fragrance-free · Cruelty-free · All skin types
Advertorial. This page is a paid advertisement for LUMA NYC. “Dana M.” is a composite narrator written for this advertisement, not a real customer, and the account above is illustrative rather than a personal testimonial. Grades and opinions are editorial, not clinical assessments.
No claim here is a medical claim. Copper peptides are a cosmetic ingredient; this product is not intended to diagnose, treat, cure or prevent any condition. Results vary and are not guaranteed. Prices correct at time of publication. © 2026 LUMA NYC.