Peptides, PDRN, and Spicules. Oh My.
I used to think great skin was out of reach at 55. I was wrong.
It wasn’t one product that changed everything. It wasn’t one treatment either. Instead, it was a complete Skin Signaling Night Routine. This is an intentional, layered approach. The goal? Tell your skin exactly what to do while you sleep.
I live in Northern Minnesota. Between the brutal winters, the outdoor adventures, and years of sun exposure on the North Shore and BWCA — my skin has seen things. But after committing to this routine twice a week, the results have been undeniable. Less redness. More even skin tone. A real reduction in fine lines.
No fluff. No fake. Just a real Northern Minnesota skincare junkie telling you what actually works.
What Is a Skin Signaling Night — And Why Does It Work?
Let’s start with the basics.
Skin signaling uses active ingredients that send specific messages to your skin cells. Those messages tell your skin to produce collagen, repair damage, boost elasticity, and regenerate at a cellular level. Think of it as sending your skin a very intentional memo — while you sleep.
I do my Skin Signaling nights twice a week. Both nights follow my tretinoin nights. Tret does its job first. Then Skin Signaling night comes in to supercharge the results. It’s a one-two punch. And my skin absolutely loves it.
Night 1 — The Full Monty: Every Step, Every Product
This is the full experience. It’s not for the faint of heart. But I promise — it is absolutely worth it.
Step 1 — Start Fresh: The Double Cleanse
Every great routine starts with a clean canvas. I switch up my cleansers depending on what my skin needs that night:
- Vanicream Gentle Facial Cleanser — simple, no-nonsense, and perfect for sensitive skin
- Laneige Water Bank Cleansing Foam — when I want that extra hydration boost
- HPPY Skin Golden Oil Cleanser — my first cleanse to melt away the day
Step 2 — Open the Door: Reedle Shot 700 Spicules
Okay. Real talk. Spicules are not the most comfortable part of this routine. The Reedle Shot 700 is a high-strength spicule treatment. Not gonna lie — it kinda hurts. But my skin can handle the 700. And the results are worth every tingle.
So what are spicules exactly? They are micro-sized sea sponge needles. They create micro-channels in the skin. As a result, every product that follows absorbs dramatically better. Think of spicules as opening the door so everything else can walk right in.
💡 Pro tip: New to spicules? Start with a lower concentration first. Work your way up as your skin adapts. Don’t let the 700 be your first rodeo!
Step 3 — Signal and Repair: Dermaline Bio Activing PDRN Ampoule
Here’s where things get really interesting.
PDRN stands for Polydeoxyribonucleotide. It’s a skin regenerating ingredient derived from salmon DNA. Yes, really. And yes, it’s as impressive as it sounds.
PDRN signals your skin to repair and regenerate at a cellular level. It stimulates collagen production. It accelerates healing. Furthermore, because the spicules already opened up those micro-channels, this ampoule sinks in beautifully. Your skin is literally receiving instructions to repair and regenerate. This is skin signaling at its finest.
Step 4 — The Science Lab Secret: ZO Skin Health Growth Factor Serum
This is the newest addition to my Skin Signaling Night Routine. After just two months of use, it has earned a permanent spot.
The ZO Skin Health Growth Factor Serum is a thick, silky gel. It’s packed with serious science — retinol, phospholipids, beta-glucan, adenosine triphosphate, and buddleja davidii stem cells. That’s a lot of power in one pump.
At this point in the routine, my skin is primed and ready. The serum melts right in. It has a pleasant scent. It’s incredibly gentle — even on my sensitive skin. I apply it to my face, my neck, and my décolletage. One pump covers everything beautifully.
In short — this is skin signaling in a bottle. And I am completely obsessed.
Step 5 — Cell Talk: Peach & Lily Miniprotein Exosome Bioactive Ampoule
Stay with me here — because this one is fascinating.
Exosomes are tiny messenger vesicles. They carry proteins, lipids, and genetic information between cells. Essentially, they help your skin cells communicate and repair themselves.
The Peach & Lily Miniprotein Exosome Bioactive Ampoule takes skin signaling to the next level. It delivers bioactive ingredients that support cellular renewal and collagen synthesis. At this point in the routine, my skin is basically having a full conversation with itself about how to look younger. I’m just the facilitator. 😄
Step 6 — The Peptide Powerhouse: Medik8 Liquid Peptides Advanced MP
I found this one thanks to Dr. Ekta on TikTok. My skin has not been the same since.
The Medik8 Liquid Peptides Advanced MP is a 30% multi-peptide serum. It contains 13 age-defying peptides. It also uses drone-targeted technology to deliver each peptide exactly where it’s needed most. Three months in and my skin is firmer, smoother, and completely unbothered.
The texture is dreamy. A little goes a long way. It sinks right in with no residue. I skip it in the mornings because it pills under makeup. But at night? It is the star of the show.
⚠️ Heads up: Morning makeup wearers — skip this one. It pills. Nighttime only!
Step 7 — Seal It All In: Tatcha Indigo Overnight Repair
The grand finale. After all that skin signaling activity, my skin needs to be locked in and left alone.
The Tatcha Indigo Overnight Repair is thick and creamy. It’s fragrance-free. It’s rich without being heavy. And it is absolutely perfect for this final step. I wake up with skin that feels silky smooth and deeply hydrated. It’s the perfect closing act for every Skin Signaling night.
Night 2 — The Gentler Sister: Same Magic, Less Drama
The second Skin Signaling night of the week follows the same basic structure. However, it skips the spicules. Because once a week is plenty — cuz they hurt! 😄
- Double cleanse
- Dermaline Bio Activing PDRN Ampoule
- ZO Skin Health Growth Factor Serum
- Peach & Lily Miniprotein Exosome Bioactive Ampoule
- Medik8 Liquid Peptides Advanced MP
- Tatcha Indigo Overnight Repair
Same skin signaling magic. Slightly less dramatic. Still completely worth it.
My Honest Results: What Two Months of Skin Signaling Did for My Skin
Here’s what I’ve noticed since committing to this routine:
- Significant reduction in redness
- More even skin tone overall
- Noticeable reduction in fine lines
At 55, this is my best chapter yet. My skin is finally keeping up. This routine isn’t for everyone. It’s definitely not for beginners. But if you’re a fellow skincare nerd who is ready to level up — welcome to Skin Signaling night. There’s no place like great skin.
Shop My Skin Signaling Night Routine
- Vanicream Gentle Facial Cleanser
- Laneige Water Bank Cleansing Gel
- HPPY Skin Golden Oil Cleanser
- Reedle Shot 700 Spicules
- Dermaline Bio Activing PDRN Ampoule
- Zo Skin Health Growth Factor Serum Plus
- Peach & Lily Miniprotein Exosome Bioactive Ampoule
- Medik8 Liquid Peptides Advanced MP
- Tatcha Indigo Overnight Repair
Heads up — this post contains affiliate links. If you buy through my link I earn a small commission at no extra cost to you. I only recommend products I genuinely love!

