The Aesthetics Advisor

Updated May 2026 | Estimated reading time: 12 minutes Most of us spend our lives chasing the right serum. What if we've been looking in the wrong direction entirely? Key Takeaways Skin aging is driven primarily by internal biological processes — inflammation, glycation, cortisol, gut dysbiosis, and nutritional deficiency — not just external exposure The gut-skin axis is a direct communication pathway; microbiome health is reflected visibly on the skin surface Collagen-supporting nutrients (vitamin C, zinc, omega-3s), antioxidant-rich foods, and fermented foods have the strongest evidence base for slowing dietary skin aging Refined sugar, trans fats, alcohol, and ultra-processed foods accelerate aging through glycation, inflammation, and microbiome disruption Chronic stress elevates cortisol, which breaks down collagen and impairs the skin's barrier — managing stress is a biological skin intervention Sleep is the primary repair window for skin; deprivation is a systemic inflamma...

In the following sections, we’ll outline gene-based approaches that may help you deal with eczema. Read on to find out what you can do to manage this condition. The below strategies are not meant to replace your standard medical treatment. Make sure to consult with your doctor before making any significant changes to your day-to-day routine. This post has more than 300 evidence based references. FLG & OVOL1 Probiotics Treatment of a reconstructed human skin cell model with  L. rhamnosus  significantly increased the production of filaggrin. Similarly,  L. plantarum  supplements were found to increase filaggrin production in rat and mouse models of eczema [ 1 ,  2 ]. In people with eczema, supplementation with different  probiotic  strains slightly improved skin inflammation. The most common  Lactobacillus  species tested include  L. rhamnosus ,  L.reuteri ,  L. plantarum ,  L. paracasei ,  L. fermentum , and  ...