From UV exposure and smoking to everyday lifestyle habits, discover what accelerates collagen loss, how it affects your skin and what you can do to support healthier skin over time.
THE HAUS NOTES · SKIN HEALTH · APPROX. 7 MIN READ
FIRST, WHAT IS COLLAGEN AND WHY DOES IT MATTER?
Collagen is the most abundant structural protein in the skin. Think of it as the framework that helps keep your skin supported, firm and resilient. Produced by specialised cells called fibroblasts within the dermis, collagen works alongside elastin and other components of the extracellular matrix to maintain skin structure.
As we age, our natural collagen production gradually declines. Existing collagen fibres also become fragmented and less organised, contributing to changes in skin firmness, elasticity and texture. While this is a normal part of ageing, certain environmental and lifestyle factors can accelerate the process and some of them might surprise you.
8 FACTORS THAT CONTRIBUTE TO COLLAGEN BREAKDOWN
1. UV EXPOSURE: THE BIGGEST EXTERNAL CONTRIBUTOR
If there is one factor worth prioritising when it comes to protecting your collagen, it is sun exposure. Ultraviolet radiation, particularly UVA, penetrates into the dermis, where it contributes to oxidative stress and activates enzymes called matrix metalloproteinases (MMPs). These enzymes break down collagen fibres and interfere with the skin's ability to maintain its structural support.
Over time, cumulative UV exposure contributes to:
Fine lines and deeper wrinkles.
Loss of firmness and elasticity.
Uneven pigmentation.
Rougher skin texture.
Premature photoageing.
Living in Brisbane, sun protection isn't something we should reserve for beach days or summer holidays.
Our recommendation: Make broad-spectrum SPF50+ a daily habit. Reapply when required, wear protective clothing and seek shade where possible.
2. SMOKING AND VAPING
Smoking is strongly associated with premature skin ageing. Tobacco smoke exposes the body to free radicals, increases oxidative stress and affects the blood supply responsible for delivering oxygen and nutrients to the skin. It also stimulates collagen-degrading enzymes, including MMP-1, contributing to the breakdown of the dermal support network.
Smoking has also been associated with delayed wound healing, which is particularly relevant when considering skin treatments that rely on the body's repair processes. Vaping is not a proven safe alternative for skin health either. While the long-term effects on skin collagen require further research, nicotine and other exposures raise concerns.
Our recommendation: Avoid smoking and seek support to stop nicotine use.
3. HIGH SUGAR INTAKE AND GLYCATION
This is where things get interesting.
Glycation occurs when sugars bind to proteins, including collagen and elastin, forming compounds known as advanced glycation end products (AGEs). These compounds can affect the structure and flexibility of collagen, contributing to a stiffer, less functional support network. In simple terms, collagen that has undergone glycation may not function as effectively as healthy collagen. Diets consistently high in added sugars may contribute to this process, although the relationship between dietary sugar and visible skin ageing is complex.
Our recommendation: Focus on balanced nutrition rather than extreme restriction. Prioritise whole foods, adequate protein, vegetables and fibre, and be mindful of consistently high added-sugar intake.
4. CHRONIC STRESS
We often discuss stress in relation to mental health, but its effects extend beyond how we feel. Chronic stress can influence inflammatory pathways, oxidative stress and hormonal signalling, all of which may affect skin health. Emerging research also suggests that prolonged psychological stress may influence collagen-related gene expression and the skin's ability to maintain and repair its barrier. This doesn't mean a stressful week will suddenly age your skin. It is the cumulative impact of ongoing stress that deserves attention.
Our recommendation: Prioritise activities that support stress management, whether that is movement, time outdoors, social connection or simply allowing yourself time to switch off.
5. POOR SLEEP AND INSUFFICIENT RECOVERY
Your skin is constantly working to maintain and repair itself. Sleep is an important part of this process, supporting cellular maintenance, barrier recovery and normal physiological repair. Consistently poor sleep has been associated with impaired skin barrier function, increased signs of ageing and changes in pathways involved in collagen maintenance. It is not about achieving a perfect eight hours every single night. It is about recognising that recovery matters.
Our recommendation: Establish a consistent sleep routine, aim for adequate sleep and avoid treating rest as optional.
6. ALCOHOL CONSUMPTION
Excessive alcohol consumption can influence skin health through several mechanisms. These include oxidative stress, inflammation, dehydration and disruption to normal physiological processes. While an occasional drink is unlikely to have a measurable impact on your collagen, habitual heavy alcohol consumption is associated with premature skin ageing.
Our recommendation: Be mindful of your alcohol intake and prioritise hydration and balanced lifestyle habits.
7. NOT EATING ENOUGH PROTEIN AND ESSENTIAL NUTRIENTS
Your body cannot produce collagen without the necessary building blocks. Collagen is a protein made from amino acids, and its production also relies on essential nutrients, particularly vitamin C. Other nutrients, including zinc and copper, contribute to normal tissue maintenance and collagen-related processes. Consistently inadequate protein intake or nutritional deficiencies can compromise the body's ability to maintain healthy connective tissue.
Our recommendation: Include adequate protein in your diet and a variety of nutrient-rich foods.
Think:
Eggs, fish, poultry and lean meats.
Legumes and beans.
Citrus fruits, berries and kiwifruit.
Leafy greens and colourful vegetables.
Nuts and seeds.
A supplement can complement a balanced diet, but it cannot replace adequate nutrition.
8. HORMONAL CHANGES AND NATURAL AGEING
Not every contributor to collagen loss is within our control. As we age, collagen production naturally declines. For women, hormonal changes during perimenopause and menopause can also have a significant influence on skin health. Oestrogen plays an important role in maintaining skin thickness, hydration and collagen content.
As oestrogen levels fluctuate and decline, women may notice:
Increased skin dryness.
Reduced firmness and elasticity.
Changes in skin thickness.
More noticeable fine lines and wrinkles.
Changes in overall skin texture.
This is not a failure of your skincare routine. It is a biological change.
Our recommendation: Understand what is happening to your skin and consider a personalised approach that takes your age, hormonal stage, skin health and individual concerns into account.
HOW CAN YOU SUPPORT YOUR COLLAGEN?
The goal isn't to stop ageing. It is to support your skin as it changes. Here are the foundations we believe deserve your attention:
Daily SPF50+
Helps protect against UV-related collagen damage
Antioxidant skincare
Helps defend against oxidative stress
Retinoids, where appropriate
Support collagen-related skin renewal
Adequate protein
Provides amino acids needed for collagen production
Vitamin C
Essential for normal collagen synthesis
Quality sleep
Supports skin barrier recovery
Avoid smoking
Reduces oxidative damage and collagen degradation
Professional skin treatments
Can stimulate skin repair and collagen remodelling
CAN PROFESSIONAL SKIN TREATMENTS HELP?
Yes. Certain evidence-based skin treatments can support collagen production and improve aspects of skin quality. However, they work differently, and treatment selection should always be guided by individual skin concerns, suitability and realistic expectations. At Lau-vei Haus, our approach includes:
SkinPen® Precision Microneedling
Controlled micro-injuries initiate the skin's natural wound-healing response, stimulating processes involved in collagen production and remodelling.
Rejuran® Polynucleotide Treatments
A regenerative treatment approach focused on supporting skin quality, hydration and overall skin condition. Research into its mechanisms and clinical outcomes continues to evolve.
A professional skin treatment designed to improve skin texture, radiance and visible signs of ageing through a targeted topical treatment approach.
Remember: the most important consideration is choosing treatments based on what your skin actually needs, rather than following the latest trend.
THE LAU-VEI HAUS PERSPECTIVE
We often talk about collagen as though it is something we need to constantly replace, restore or chase. But healthy skin is influenced by so much more than the treatments we have performed or the products sitting on our bathroom shelf. It is influenced by how we protect it, nourish it, care for it and support our overall health.
You cannot completely prevent collagen loss. You cannot stop the natural ageing process. And you certainly don't need to spend a fortune trying to do so. What you can do is make considered decisions that support your skin over time. Because good skin health isn't about doing more. It's about understanding what matters.
Lauren Chandler
Registered Nurse · Advanced Dermal Clinician · Aesthetic Clinical Trainer
Founder, Lau-vei Haus
Ascot, Brisbane
Personalised aesthetic medicine, skin health and regenerative care.