Ever looked in the mirror and wondered: what does my skin really need, long-term? Fortunately, today’s top products go beyond quick fixes to focus on what truly helps skin function at its best. And lately, one group of skincare ingredients keeps making the list: Ultraglycans.
It’s no coincidence. When searching for deep hydration, radiance, and healthier-looking skin, Ultraglycans are bound to come up in the conversation. What makes them stand out isn’t just a trend—it’s how well they support what skin naturally needs to perform better, and as a result, feel better.
Let’s take a closer look at what Ultraglycans are, how they work, and why they’ve become some of the most talked-about skincare ingredients.
Table of Contents
Ultraglycans
| WHAT THEY ARE: | A combination of proteins and peptides found naturally in the skin |
| WHAT THEY DO: | Help boost deep hydration, soften the look of fine lines, support firmness, and improve skin elasticity |
| WHO THEY ARE FOR: | Suitable for all skin types; ideal for skin that has lost hydration, firmness, or elasticity |
| HOW TO USE THEM: | Usually found in serums or ampoules and applied in the morning to clean, dry skin |
| GO WELL WITH: | Vitamin C, retinoids, other peptides, carnosine, and glycolic acid |
| DON’T MIX WITH: | Ultraglycans work well with most products and ingredients, since their main role is to support structure and moisture |
| TRY THEM IN: | Flavo-C® Ultraglican |
What are Ultraglycans?
While the name may sound technical, the idea behind Ultraglycans is simple: helping skin maintain the structure and hydration it can lose over time.
Ultraglycans combine two key components—proteoglycans and pre-proteoglycans—which are found in the epidermis and dermis skin layers. Their main job? Helping to maintain firmness and hydration.

Let’s take a deeper look.
Proteoglycans: supporting deep hydration

Proteoglycans are proteins naturally found in the skin that help support its structure. They work together with other important players, such as collagen and hyaluronic acid, to keep skin processes stable and streamlined.
Think of them as your networkers. They connect the most important parts of your skin, resulting in a hydrated, plump look overall.
Pre-proteoglycans: encouraging skin’s natural balance

Pre-proteoglycans are peptides that help support the skin’s production of proteoglycans. Instead of replacing what’s lost, they help the skin maintain its own balance.
As skin changes over time, this natural production schedule slows down a bit—especially due to photoaging. That’s when skin may start to lose firmness, hydration, and resilience.
Here’s where Ultraglycans step up to the plate. They support where its needed most, boost what slows naturally, and contribute to skin that looks smooth, firm, and bouncy.
Can you use Ultraglycans with other skincare ingredients?

Yes—and that’s one of their best traits.
In a good skincare routine, there isn’t just one star ingredient—it’s teamwork. But you might wonder whether a new find works well with others without losing effectiveness or causing friction.
The good news? Ultraglycans don’t compete with other ingredients in your routine. Instead, they work alongside them, enhancing hydration and supporting the skin’s structure without disrupting balance. They pair especially well with:
- Hyaluronic acid, to enhance hydration at multiple levels
- Vitamin C, to boost radiance and antioxidant protection
- Retinoids, to support smoother, firmer-looking skin
- Peptides, to complement skin-supporting functions
- Niacinamide, especially for maintaining balance in sensitive skin
Because of their supportive role, Ultraglycans fit easily into both simple and more advanced skincare routines.
What’s your skin type? Find out whether it’s oily, normal, or sensitive to help personalize your regimen.
Are Ultraglycans suitable for all skin types?
Yes. Ultraglycans generally work well for all skin concerns, types, and ages.
Rather than targeting a single concern, they address a universal need: boosting hydration and supporting the skin’s structure.
Because they work alongside components naturally found in the skin, they help reinforce processes that tend to weaken over time—like the skin’s ability to retain moisture and maintain plumpness.
This makes them a great option whether your skin feels dry, looks less firm, or simply needs an extra boost of hydration and glow.
Ultraglycans are gentle enough for your dry skin routine and light enough for oily and combination skin.
Where can you find Ultraglycans?
Ultraglycans are often found in concentrated formulas, especially in ampoules: science-backed serums designed to deliver visible results.
Meet ISDINCEUTICS Flavo-C Ultraglican

Our timeless formula combines vitamin C, hyaluronic acid, and Ultraglycans to support hydration, radiance, and overall skin appearance.
Its formula is suitable for all skin types, non-comedogenic, and designed to respect the skin barrier.

How to use it: Apply 1/3 of an ampoule each morning to the face, neck, and décolletage, before sealing with moisturizer and sunscreen.
Skincare that works with you

Adding a new ingredient to your routine isn’t about doing more—it’s about choosing what truly supports your skin.
Ultraglycans make the cut. They don’t promise instant transformation, but with consistent use, they help boost hydration and firmness.
And while ingredients matter, the foundation of healthy-looking skin remains the same: gentle cleansing, daily sunscreen, good rest, and a balanced lifestyle.
Healthy skin is built over time. And every small step counts.
Behind the blog:
Article written and reviewed by:
Our namesake embodies the spirit of embracing life and all its wonder. As wellness journalists, we explore topics that invigorate the senses and keep curiosity alive. We believe that glowing skin is the result of a healthy body and mind. Weaving beauty with science, we aim to inspire you to live young at every age.

