Skin Regimen Lx Ha4 Jelly Serum
Hydra-plumping serum
skin care
Eve Mérinville | Corporate RD Excellence & SC RD and Innovation Director
13 min read

To boost your skin’s collagen production, you need the right nutrients, protective habits, and proven ingredients like vitamin C, hyaluronic acid, and peptides. You will also need to protect it from collagen destroyers, including the sun, stress, smoke, and environmental toxins.
Collagen is more than a protein — it’sthe "invisible thread" that holds the body together. It maintains firmness in the skin, stability in the joints, and provides critical support for organs.
In the skin, collagen works alongside elastin and hyaluronic acid:
Its triple-helix structure, known as tropocollagen, assembles into fibrils and fibers that strengthen skin, bones, tendons, and blood vessels. When collagen levels are high, skin appears smooth, firm, and radiant. As levels decline, wrinkles form, elasticity decreases, and visible signs of aging appear more quickly. Protecting and stimulating collagen is therefore essential to maintaining healthy, resilient, and youthful-looking skin.

Collagen production, unfortunately, is not eternal — it shifts with age and is stronglyinfluenced by lifestyle.
In the body, there are at least 28 types of collagen. For the skin, the most important are type I, which is abundant and fundamental, and type III, which is less common but essential. The other types mainly support cartilage, muscles, and blood vessels.
Fibroblast activity naturally slows with age, and after 25, collagen production begins to decline. Sun exposure, pollution, smoking, and stress accelerate this process, breaking down the skin’s structural protein even faster. Stimulating and protecting collagen is therefore essential to strengthen the skin’s natural scaffolding. Targeted treatments, balanced nutrition, and active ingredients can encourage fibroblasts to form new fibers, improving firmness, elasticity, and resilience.
The benefits, however, are not only aesthetic. In fact, collagen supports joints, bones, tendons, ligaments, muscles, blood vessels, and even the intestine. Strong collagen levels are linked not only to smoother, more youthful-looking skin but also to improved mobility, gut health, immune function, and even reduced anxiety through balanced connective tissue and neurotransmitter support. Taking care of it, therefore, means protecting not only external beauty, but also the overall health of our body — preserving vitality, strength, and balance in the long run.
Stimulating collagen production is essential for maintaining supple, firm, and resilient skin. Several everyday factors directly affect fibroblasts — the skin cells responsible for producing collagen — and their ability to generate new collagen fibers:
By combining healthy lifestyle habits with proven skincare ingredients and advanced treatments, you can strengthen the skin’s natural scaffolding and preserve its youthful vitality.
Hyaluronic acid and vitamin C are two of the most effective allies in supporting collagen. Hyaluronic acid creates the ideal environment for fibroblasts — the skin cells that produce collagen — to function at their best, enhancing elasticity and firmness. Vitamin C plays a more direct role by fueling the synthesis of new collagen, helping form the triple-helix structure of tropocollagen, while also protecting existing fibers from free radical damage.
Together, these compounds promote smoother, brighter, and more resilient skin by strengthening and stabilizing the collagen network over time. To harness these benefits, Comfort Zone has developed two targeted formulas: Skin Regimen LX-HA4 Jelly Serum, rich in multi-molecular hyaluronic acid, and Skin Regimen LX Vitamin C Serum, delivering the full antioxidant power of vitamin C.
Certain daily lifestyle habits play a decisive role in the protection and stimulation of collagen:
When combined with good nutrition and consistent skincare, these habits help maintain skin that looks firm, resilient, and youthful.
Collagen in the skin is constantly turning over — old fibers are broken down while new ones are formed.Normally, this balance is maintained by metalloproteinases (MMPs), enzymes that break down aged fibers to help keep the skin firm, elastic, and hydrated. With age, however, fibroblasts produce less collagen than is lost, leading to wrinkles, reduced firmness, and a gradual decline in elasticity.
This natural decline can be accelerated by certain habits and environmental factors that act as “invisible enemies” to collagen:
It’s a common myth that collagen can be instantly “destroyed” by one bad habit or one day in the sun. In reality, damage builds gradually, and consistent exposure to these factors over time is what weakens collagen most. Avoiding or reducing them helps preserve the natural balance between collagen breakdown and production, protecting skin’s firmness and vitality for longer.

Collagen supplements have grown in popularity as a way to support skin “from the inside.” Usually available as powders or drinks with hydrolyzed collagen, they supply amino acids that, once absorbed, can be used by the body to produce new collagen. The effect is therefore indirect and progressive, with less targeted benefits for the skin, and becomes noticeable only after consistent use over time.
Topical skincare, on the other hand, acts directly. Formulations with hydrolyzed collagen and biomimetic peptides can penetrate the skin barrier and stimulate its natural biosynthetic processes, offering faster and more visible results. The/skin regimen/lx lineby [ comfort zone ] is a prime example, designed with advanced technologies and exclusive complexes to improve elasticity, firmness, and radiance:
While supplements provide the building blocks for collagen, /skin regimen/Lx works directly on the skin’s cellular mechanisms, delivering results that are more immediate and visible.
*In vitro testing on ingredients
The Skin Regimen LX line is the result of more than 12 years of multidisciplinary scientific research on skin longevity and the effects of the exposome. Formulated with the exclusive Longevity Complex™ and enriched with high-tech and natural ingredients, the collection offers targeted treatments that stimulate collagen production, protect against daily stressors, and help maintain tone, firmness, and radiance. Each product works in a complementary way, serving different skin needs:
Key benefits: Hydrates and plumps the skin with four molecular weights of hyaluronic acid, creating the ideal environment for fibroblasts to produce collagen. Snow Mushroom extract enhances water retention, while the Longevity Complex™ helps maintain youthful, healthy-looking skin. Clinical testing showed a 41.9% increase in hydration after just 8 hours*.
Who it’s for: Ideal for skin that is dehydrated, stressed, or lacking elasticity.
Skin Regimen LX HA4 Jelly Serum hydrates and plumps the skin using four molecular weights of hyaluronic acid.
Key benefits: Combines 15% pure vitamin C with Longevity Complex™ to even skin tone, reduce pore visibility, and improve dark spots. Vitamin C is a cofactor in collagen synthesis, making this serum essential for protecting and reinforcing collagen fibers. Clinically proven to increase skin radiance by 30% after one application*.
Who it’s for: Ideal for dull or uneven skin, or anyone looking to prevent premature aging.
Skin Regimen LX Vitamin C Serum brightens the complexion with 15% pure vitamin C and Longevity Complex™.
Key benefits: Provides an immediate redensifying and filler effect through the synergy of Longevity Complex™ and Collagen Pro Complex. Ingredients include hydrolyzed collagen, lemon balm extract rich in rosmarinic acid (grown at EROC in Parma), acacia collagen, and a biomimetic peptide structure. Together, they increase type I and III collagen levels by up to 40.6% after just one application**.
Who it’s for: Ideal for those seeking an intensive anti-aging treatment to improve skin density, counteract loss of tone, and restore vitality.
Skin Regimen LX Longevity Collagen+ Serum stimulates type I and III collagen production using Collagen Pro Complex and Longevity Complex™.
*Independent laboratory, instrumental and clinical evaluation, 20 women, after 1 application
**In vitro testing of ingredients
To keep the skin elastic, toned and radiant, a single gesture is not enough as small daily precautions are needed that combine nutrition, lifestyle, targeted products and innovative technologies. In the table below you will find the best allies to stimulate collagen and, at the same time, the habits to avoid to better protect it.
| Collagen Boosters | How they help | |
| Balanced Diet | Provides amino acids and nutrients that are critical for collagen synthesis. | |
| Adequate Hydration | Keeps the skin and tissues hydrated, promoting fibroblast activity. | |
| Regular physical activity | Improves circulation, oxygenation and cell regeneration | |
| Hyaluronic Acid and Vitamin C | They promote an optimal microenvironment for fibroblasts, support elasticity, firmness and protect the fibers from free radicals. | |
| Sunscreen | Prevents UV damage and collagen fragmentation. |
| Collagen Killers | How they harm | |
| Unprotected sun exposure | UV rays fragment collagen fibers and reduce skin firmness. | |
| Excess alcohol | Dehydrates tissues, reduces nutrient absorption and alters hormonal balance. | |
| Smoking and pollution | Increase oxidative stress and degrade the collagen network. | |
| Chronic stress | High cortisol levels slow down collagen synthesis. | |
| Lack of sleep | Reduces repair processes and natural collagen renewal. |

Taking care of collagen means taking care of your skin at 360 degrees. It is essential to stimulate its production, but it is equally important to protect it from factors that accelerate its degradation, such as sun, stress, smoking and alcohol. Taking a comprehensive approach, with a balanced diet, constant hydration, daily exercise and good habits, creates fertile ground for the skin to remain supple, toned and radiant.
Alongside a healthy lifestyle, choosing targeted products can make a difference, promoting skin firmness and resilience. The constantly evolving Skin Regimen LX line has been enriched with the new Longevity Collagen+ Serum, a scientifically designed serum to strengthen collagen fibers and support the skin from within, day after day. And the results are immediate, in fact this serum guarantees 40.6% more type I and III collagen in the skin, after just one application.*
*In vitro testing on ingredients
Hydra-plumping serum
redensifying filler effect serum
Brightening serum
refining and illuminating freeze-dried mask
Anti-aging lifting gel cream