Skip to product information
1 of 5
Roselle HA5 Gum Serum

Your teeth haven't changed.
Your gums have.

30ml · Hyaluronic Acid Gum Treatment
Has any of this crossed your mind lately?
  • Your teeth look longer than they did a few years ago
  • You bleed when you brush. You tell yourself you brush too hard.
  • Cold water hits your teeth in a way it never used to
  • Your dentist keeps mentioning your gums at every visit
  • Your mouth feels dry or tender in the morning
  • You take care of your health, but your mouth never quite feels right

You have probably explained most of this away. Getting older. Brushing too hard. Sensitive teeth. But none of it is normal. And toothpaste was never designed to reach what is actually happening at your gumline.

Deep Hydration
60 Seconds Nightly
6 Proven Actives
Works Overnight
  • Calmer, less reactive gums in 2 to 4 weeks. Less red, less tender, less bleeding when you brush.
  • Reduces cold sensitivity as dried gum tissue rehydrates from the inside out, covering the root surface pulling back from your teeth.
  • Slows the pulling back that has been making your teeth look longer over time.*

Gum tissue does not grow back. But the earlier you start, the more you protect. Apply after brushing. Leave it on overnight.
That is the step your routine has always been missing.

*With consistent use as part of a daily oral care routine. Results may vary.

Apply a small amount along your upper and lower gumline after brushing. Use a clean fingertip. Takes about 60 seconds. Leave it on. Do not rinse.

The serum absorbs overnight while you sleep. That is the contact time toothpaste never gets because you rinse it away in seconds.

Aqua, Glycerin, Xylitol, Betaine, Panthenol, Cellulose Gum, Ethylhexylglycerin, Sodium Hyaluronate, Phenoxyethanol, Sodium Phosphate, Sucralose.

Quantity
🌙

Leave-on overnight

🌿

Light mint flavour

⏱️

240× more contact time

View full details
How to use

60 seconds.
Changes everything.

1
Brush as normal

Keep doing what you are doing. Your regular toothpaste and brush. Rinse and spit as usual. This part does not change.

No changes to your routine
2
Apply along the gumline

Put a small amount of Roselle HA5 on a clean fingertip and run it gently along your upper and lower gumline. Takes about 60 seconds.

60 seconds
3
Leave it. Do not rinse.

This is what every other serum skips. Roselle stays on your gums and absorbs while you sleep. Light mint flavour means you will not notice it is there. That is when the real work happens.

Works overnight Mint flavour
Why night-time works best

Your body does most of its tissue repair while you sleep. Apply Roselle HA5 right before bed and you are giving your gums exactly what they need, exactly when they can use it most. The light mint flavour means nothing to rinse, nothing to taste, nothing to interrupt your sleep.

Why results vary

Why most gum serums
do not actually work.

Most serums tell you to apply, then spit it out after 2 minutes. Hyaluronic Acid needs sustained contact with tissue to absorb. Two minutes, then gone. That is why people try gum serums for weeks and feel nothing.

Roselle HA5 is a leave-on formula. It stays on your gums all night, working during the hours your body is actively repairing tissue. And because it is mint flavoured, you will not notice it is there.

That is not a small difference.
That is the whole game.

Most serums 2 min
Contact time before you spit it out
Roselle HA5 8h
Working overnight while you sleep
240× more contact time for active ingredients to actually absorb into gum tissue
🌿

Light mint flavour. Other serums are tasteless. Roselle is comfortable overnight — nothing to notice, nothing to rinse.

Why it gets worse, not better

Gum damage is silent
until it's already done.

Early signs — easy to dismiss
Occasional bleeding, mild sensitivity. Not painful, so most people ignore it.
Tissue starts breaking down
Gum tissue dries out and inflames. Recession begins — still no pain.
Recession becomes visible
Teeth look longer. Dentist says "we need to watch this." Tissue that's gone doesn't grow back.
Roselle stops the cycle — at any stage
Hydrating gum tissue breaks the cycle. The earlier you start, the more you protect.
Your routine right now
  • Gums bleed when brushing
  • Sensitivity to cold
  • Gums dry and inflamed
  • Slow, silent recession
With Roselle
  • Bleeding stops
  • Sensitivity reduces
  • Gums hydrated and calm
  • Recession slows down
Real Results

30 days. Real gums.
Real difference.

"

My gums stopped bleeding after about two weeks. By day 30 they looked and felt completely different — healthier, less puffy. I didn't expect it to actually work.

Verified Customer · 30 Day User
500+ Happy Customers
30 Days to Results
4.7★ Average Rating
Start Your 30 Days Free shipping · 30-day money-back guarantee
Customer gum results before and after 30 days of Roselle HA5 Individual results may vary
What's inside

Ingredients that
earn their place.

Hero Active
Hyaluronic Acid
Hyaluronic
Acid

Draws moisture deep into gum tissue — the same mechanism used in dermal fillers, applied directly to the gumline.

Protective
Xylitol
Xylitol

Starves harmful oral bacteria without disrupting your natural microbiome. Clinically studied for long-term gum health.

Soothing
Betaine
Betaine

Sugar beet–derived osmolyte that calms inflamed tissue and eases the sensitivity that comes with recession.

Restorative
Panthenol
Panthenol

Converts to Vitamin B5 on contact, supporting cellular repair and gum resilience — proven in wound-healing formulations.

Hydrating
Glycerin
Glycerin

Forms a moisture-retaining film over gum tissue, sealing in hydration and making daily use comfortable enough to stick to.

Full INCI: Aqua, Glycerin, Xylitol, Betaine, Panthenol, Cellulose Gum, Ethylhexylglycerin, Sodium Hyaluronate, Phenoxyethanol, Sodium Phosphate, Sucralose.

Here's what's actually happening

Bleeding when you brush
isn't a brushing problem.

It's a gum problem. And the gap between "my gums bleed a little" and "I need treatment" is closing faster than most people realise — because gum tissue breaks down silently, without pain, until it's already gone. Toothpaste cleans the surface of your teeth. It was never designed to reach the tissue sitting just below your gumline. That tissue gets nothing. Roselle HA5 fixes that gap.

1 in 2 adults over 30 have some form of gum disease — and most have absolutely no idea.
Toothpaste rinses away in seconds. It was never designed to absorb into tissue. A serum stays. That's the entire difference.
Hyaluronic Acid is what dermatologists use to hydrate and repair skin tissue. Roselle applies that exact same logic — to your gums.
4.7 · Based on 500+ reviews

What people are
actually saying.

"My dentist asked what I changed at my last visit"
"I thought longer teeth was just part of getting older"
"No bleeding after two weeks. I was not expecting that."
"Feels like the missing step my routine always needed"
"Wish I had known about this five years ago"
"My dentist asked what I changed at my last visit"
"I thought longer teeth was just part of getting older"
"No bleeding after two weeks. I was not expecting that."
"Feels like the missing step my routine always needed"
"Wish I had known about this five years ago"
SL
Sarah L.
Melbourne, AU

My dentist had been mentioning my gums at every single appointment for two years. I kept nodding and doing nothing. Started this six weeks ago and at my last visit he actually said my gums looked calmer and asked what I had changed. That was enough for me.

Verified purchase
RC
Rachel C.
London, UK

I noticed in photos that my smile looked different to how it did five years ago. I thought it was just aging. Turns out my gums were pulling back and I had no idea. Three weeks in and my gums look less exposed already. Wish someone had told me about this sooner.

Verified purchase
NP
Natalie P.
Sydney, AU

I have been blaming my electric toothbrush for years. Switched to manual, changed my technique, still bled every morning. Two weeks of this and the bleeding has almost completely stopped. It was never the toothbrush.

Verified purchase
JK
Jess K.
Toronto, CA

I put so much into my skincare routine and somehow completely neglected my gums. It makes total sense now that I think about it. Same concept as a serum for your face, just applied to the gumline. My mouth feels completely different in the morning now.

Verified purchase
AM
Anna M.
New York, NY

Cold water made me wince every single morning. I just accepted it as normal. Four weeks in and I genuinely cannot remember the last time it bothered me. That alone is worth it. Everything else is a bonus.

Verified purchase
LF
Lauren F.
Chicago, IL

I was not remotely convinced this would do anything. A serum for your gums sounded like a gimmick. Bought it because the 30-day guarantee meant I had nothing to lose. Now I do it every night without thinking. My gums look less red and I have stopped avoiding cold drinks.

Verified purchase
KW
Kate W.
Brisbane, AU

I noticed my gums looked different in photos but assumed it was just the angle. It was not the angle. Six weeks of this and they look noticeably less receded. I genuinely had no idea this was something you could do anything about at home.

Verified purchase
MH
Michelle H.
Austin, TX

My mouth used to feel dry every single morning no matter how much water I drank. Woke up this morning and just noticed it was not there anymore. I did not even connect it to Roselle until I thought about it. That is how gradual and natural it feels.

Verified purchase
CB
Claire B.
Vancouver, CA

I spend a lot on serums and treatments for my face. It never crossed my mind that my gums needed the same attention. 60 seconds before bed is nothing. My gums feel completely different and honestly I am annoyed I did not find this sooner.

Verified purchase
Questions

Things people
actually ask us.

Still not sure? We're real people. Ask us anything.

contact@roselleoral.com

Yes, and it's the most commonly ignored early sign of gum disease. Healthy gums don't bleed. It's not about brushing too hard. It means there's inflammation in the tissue below the surface that isn't getting what it needs.

Most people live with this for years without realising it's quietly getting worse.

Brushing and flossing clean the surface of your teeth. They were designed for that, and they do it well. But gum tissue itself gets almost nothing from either.

Toothpaste rinses away in seconds and never absorbs into tissue. Roselle HA5 stays on your gums overnight and delivers what toothpaste physically cannot.

Most people notice their gums feel less dry and sensitive within 1 to 2 weeks. Reduced bleeding when brushing typically follows at the 2 to 4 week mark.

Visible improvements like firmer gums and less redness usually appear after 4 to 8 weeks of consistent use. Gum tissue changes slowly. The key is not skipping nights.

Think of it like a serum for your skin, applied to your gums instead. A face serum delivers active ingredients that a moisturiser can't. Roselle HA5 does the same for gum tissue.

It's not a toothpaste replacement and it's not a mouthwash. You apply it after brushing, leave it on, and it absorbs overnight. That's the part your current routine has always been missing.

No. Roselle HA5 works alongside your existing toothpaste, not instead of it. Brush as normal, rinse, then apply the serum. Nothing about your routine changes except you add one step at the end.

Yes. The formula is built specifically for sensitive tissue. Betaine and Panthenol both actively calm inflammation on contact. No alcohol, no SLS, no burn. Sensitive gums are actually where most people feel the difference the fastest.

If you experience any unusual irritation, stop use and consult a dentist.

You have 30 days from delivery to request a full refund, no questions asked. Email us at contact@roselleoral.com and we will take care of it. Refunds are processed back to your original payment method within 10 business days of us receiving the return.

Shipping is complimentary on all orders with no minimum. Orders are processed within 1 to 3 business days and delivered within 5 to 8 business days domestically and 7 to 10 business days internationally. You'll receive tracking information as soon as your order ships.

Why Roselle Exists

Roselle founder at the dentist

Why Roselle Exists

I hadn't seen a dentist in two years.
When I finally did, I wished I hadn't waited.

Back in New Zealand, dental care was free until you turned 18. Then I moved to Australia and that safety net disappeared overnight. For two years I told myself I'd go when I could afford it. I kept putting it off.

When I finally sat in that chair, the dentist pointed to my gumline and said the word recession. I went home and looked in the mirror properly for the first time. I could see it. Then I looked at old photos of my family and saw the same thing in all of them. Nobody had warned any of us.

That is when I understood the real problem. Gum recession does not hurt. It does not announce itself. Nearly 1 in 2 adults has some form of gum disease right now and most have no idea.

I looked for something I could use every night at home. There was nothing designed to actually stay on the tissue. Every product just rinsed away. So I spent eighteen months building what should have already existed.

Roselle is sixty seconds every night. That is all it takes to start protecting what you still have.

- Marvel, Founder

Roselle founder holding the HA5 Gum Serum