THE skin

Our skin tells the story of everything we put it through. Stress, pollution, UV exposure, poor sleep, hormonal shifts - they all leave their mark. Maybe it shows as persistent redness, dullness, uneven skin tone, breakouts that won't quit, or skin that just looks tired no matter what you do. And then there's the clock: from our mid-20s, collagen production steadily declines, bringing fine lines, loss of firmness, and skin that recovers more slowly.

But here's what most skincare brands won't tell you: these visible problems share an invisible root cause. Chronic low-grade inflammation and oxidative stress — happening deep in the skin's layers - break down collagen and elastin faster than your body can rebuild them. Topical creams can only work on the surface. The real battle for healthy skin is fought from within.

That's also why simply swallowing collagen doesn't cut it. Collagen is a very large protein. It gets broken down in your digestive system long before it reaches your skin. Rather than supplementing with external collagen, THE skin was designed to tackle the deeper issue: reduce oxidative stress, calm the inflammatory processes that damage your skin, and give your body the exact building blocks it needs to produce its own collagen - naturally and effectively.

THE skin - Your glow getter

Dull skin. Redness. Acne. Fine lines that crept up too early. Skin that feels reactive, congested, or just… off. Sound familiar? Most of us have been there - and most of us have thrown product after product at the problem from the outside.

THE skin works from the inside out. Our anti-inflammatory collagen-boosting formula was developed to support your body's own collagen production, while addressing the oxidative and inflammatory processes that sit at the root of so many common skin frustrations. We combined natural collagen-boosting ingredients with powerful plant-based antioxidants, essential amino acids, and prebiotic fiber -  because healthy skin is also made in the gut.

No external collagen. No quick fixes. Just the right ingredients to help your body do what it does best.

Hyaluronic Acid · Vitamin C · Silicium · Zinc · Resveratrol · Quercetin · Astaxanthin · Vitamin B3 · Amino Acids (glycine / lysine / proline) · Bamboo · Biotin · MSM · Acacia · Baobab · Pomegranate · Fruits & greens Mix

THE skin is built on three pillars: build, protect, and nourish.

Build your collagen. Vitamin C contributes to normal collagen formation for the normal function of skin.¹ The amino acids glycine, lysine, and proline provide the essential building blocks your body needs to assemble new collagen fibers.

Protect against oxidative stress. Vitamin C and zinc contribute to the protection of cells from oxidative stress.¹ Our formula features liposomal resveratrol, liposomal quercetin, and astaxanthin alongside pomegranate extract and bamboo leaf flavonoids, all selected for their well-documented antioxidant properties in scientific literature.

Calm and support from within. Many common skin concerns - redness, sensitivity, uneven texture, slow recovery - are linked to chronic low-grade inflammation and a disrupted skin barrier. Zinc, biotin, and vitamin B3 (niacin) each contribute to the maintenance of normal skin.¹ Niacinamide (vitamin B3) is widely recognized in dermatological research for its role in supporting skin barrier function. Prebiotic fibers from baobab and acacia feed your gut microbiome, supporting the gut-skin axis - an increasingly recognized driver of skin health and reactivity.

THE skin is especially relevant for skin that tends towards reactivity, sensitivity or impurities. Skin that needs more than a surface-level solution. Zinc, niacinamide and MSM are ingredients that dermatological research has been studying for years in the context of skin barrier function and tolerance. Combined with prebiotic fibres that support the gut-skin axis, THE skin works on the deeper causes of skin that is out of balance.

Additional benefits:

• Patented formula
• Biotin and zinc contribute to the maintenance of normal hair and skin¹
• Rich in prebiotic fiber

¹ Authorized EU health claims per Regulation (EC) No 1924/2006.

Want to know more about the ingrediënts of THE skin? Dive into some of THE science:

Pomegranate as a cosmeceutical source: pomegranate fractions promote proliferation and procollagen synthesis and inhibit matrix metalloproteinase-1 production in human skin cells - PubMed (nih.gov)

Resveratrol as a factor preventing skin aging and affecting its regeneration - PubMed (nih.gov)

Quercetin Improves Inflammation, Oxidative Stress, and Impaired Wound Healing in Atopic Dermatitis Model of Human Keratinocytes - PubMed (nih.gov)

Oral Hyaluronan Relieves Wrinkles and Improves Dry Skin: A 12-Week Double-Blinded, Placebo-Controlled Study - PubMed (nih.gov)

Astaxanthin in Skin Health, Repair, and Disease: A Comprehensive Review - PubMed (nih.gov)

High glycine concentration increases collagen synthesis by articular chondrocytes in vitro: acute glycine deficiency could be an important cause of osteoarthritis - PubMed (nih.gov)

Bamboo Leaf Flavonoids Suppress Oxidative Stress-Induced Senescence of HaCaT Cells and UVB-Induced Photoaging of Mice through p38 MAPK and Autophagy Signaling - PMC (nih.gov)

Add 1 scoop of THE skin to your drink, your granola or your yoghurt. Mix it well, use the Zirtui mixer for optimal results.  THE skin can be taken daily and at any time of the day. Know that changes don’t happen overnight. For best results, we advise to use THE skin for a minimum of three months.

THe skin is a very delicate formula. Once opened, use within 30 days and store in a cool, dry place.

Zirtui THE skin is a food supplement. Food supplements should not be used as a substitute for a varied and balanced diet and a healthy lifestyle. Do not exceed the recommended dose. THE skin is not intended for use by persons under the age of 18. Always consult your health practitioner or doctor before taking THE skin. Not suitable for pregnant women or lactating women. Keep out of reach of children. Keep in a dry place. Manufactured on equipment that processes products containing active ingredients derived from milk, egg, crustacean, nuts, gluten, lupine and sesame.