The Gut-Skin Connection and Why Glowing Skin Starts in Your Gut, Not Your Skincare Cabinet
- Brainz Magazine
- Apr 16
- 4 min read
Written by Beth Levis, Founder and CEO
Beth Levis is the founder of By Beth, a premium bovine collagen brand focused on skin health, gut health & vitality. With a background in retail & manufacturing, she transitioned to beauty after uncovering the powerful connection between gut health, skin & energy. She also hosts the With Beth podcast and YouTube channel, educating women on wellness.
If your skin feels dry, dull, or inflamed, no matter how many creams or serums you try, the root cause might not be your skincare routine. It might be your gut.
This might sound surprising, but science increasingly confirms what holistic practitioners have known for years: your gut and your skin are deeply interconnected. This relationship, often referred to as the gut-skin axis, explains why common skin issues like rosacea, premature aging, eczema, and persistent dullness can often be traced back to imbalances within the gut.
Let’s unpack how your digestive system is quietly controlling your complexion, and more importantly, how you can fix it from the inside out.
Your skin is a mirror of your gut
While most women treat skin concerns topically, slathering on creams and chasing the latest beauty trend, the truth is, glowing, healthy skin starts beneath the surface. Your gut is where nutrients are absorbed, hormones are regulated, and toxins are filtered, and all of these functions directly affect how your skin looks and feels.
Here’s how it works:
Nutrient absorption: Your gut processes vitamins and minerals critical for skin health, such as Vitamin A, Vitamin C, and amino acids needed for collagen production. If your gut isn’t absorbing nutrients properly, your skin won’t get what it needs to stay smooth, firm, and radiant.
Inflammation control: An imbalanced or inflamed gut can lead to systemic inflammation—one of the most common drivers of skin conditions like acne, redness, and eczema.
Detoxification: Your gut plays a major role in eliminating toxins. When this system is compromised, toxins can recirculate and exit through your skin, causing breakouts, rashes, and irritation.
3 hidden gut issues that sabotage your skin
Let’s explore the most common gut problems I see in women that silently destroy their skin health—and how to fix them
1. Leaky gut: The silent skin wrecker
When your gut lining becomes permeable, toxins, bacteria, and undigested food particles leak into your bloodstream. This creates widespread inflammation that often shows up on your face.
Skin signs:
Redness and rosacea
Flaky, irritated patche
Premature wrinkles
What helps:
Daily bovine collagen (rich in glycine and proline to repair the gut lining)
Eliminating inflammatory triggers like sugar, alcohol, and ultra-processed foods
Gut-healing staples like bone broth, leafy greens, and fermented vegetables
2. Gut dysbiosis: When bad bacteria take over
Your microbiome should be balanced, but antibiotics, chronic stress, and high-sugar diets often let bad bacteria dominate—wreaking havoc on your digestion, hormones, and skin.
Skin signs:
Hormonal acne
Rashes and sensitivities
Eczema and psoriasis flare-ups
What helps:
Daily probiotics with strains like Lactobacillus and Bifidobacterium
Prebiotic-rich foods like garlic, leeks, and bananas
Reducing sugar to starve inflammatory microbes
3. Poor digestion & nutrient deficiency
Even a clean diet won’t help your skin if your gut can’t digest or absorb properly.
Skin signs:
Dull, uneven skin tone
Wrinkles and sagging
Dark under-eye circles
What helps:
Digestive enzymes or a spoon of apple cider vinegar before meals
2+ litres of water a day for hydration and detox
Collagen peptides to fuel skin elasticity and hydration from within
The glow-up plan: heal your gut, transform your skin
Want clearer, more radiant skin? Here’s the 5-step action plan I recommend to my clients:
Repair the gut lining: Collagen-rich foods or high-quality collagen peptides
Balance your microbiome: Probiotics + fermented foods like sauerkraut and kefir
Cut inflammatory triggers: Reduce processed sugar, alcohol, and seed oils
Nourish skin with nutrients: Prioritize whole foods rich in zinc, Vitamin C, and omega-3s
Hydrate religiously: Your digestion and your skin both rely on water
One skincare mistake you might be making
Here’s something many women overlook: your skin absorbs up to 60% of what you put on it. If your skincare is loaded with parabens, sulfates, or synthetic fragrances, these toxins can disrupt both your skin barrier and your gut microbiome—making inflammation worse.
Choose skincare with gentle, microbiome-friendly ingredients like aloe vera, chamomile, probiotics, and botanical oils. But most importantly: don’t rely on topical fixes alone.
The bottom line
If you’re frustrated by dullness, dryness, or signs of premature aging, start looking inward.Your gut might be the missing piece.
Support your digestion. Lower your inflammation. Rebuild from within.
Because when your gut heals—your skin glows.
Beth Levis, Founder and CEO
Beth Levis is the founder of By Beth, a premium bovine collagen brand dedicated to empowering women over 30 to rediscover their confidence and vitality. With a background in one of Australia's largest and most iconic fashion houses - Australia's largets clothing manufacturer - Beth spent years immersed in retail and manufacturing before shifting to beauty. Her own struggles with skin health led her to uncover the transformative power of collagen, inspiring her to create By Beth. Frustrated by the limitations of convenitonal beauty products, she developed supplments designed to restore skin, energy and overall well-being from within. Through By Beth, she helps women achieve lasting radiance and confidence, redefining beauty from inside out.
