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...

Linoleic acid (LA) is an omega-6 fatty acid, while α-linolenic acid (ALA) is an omega-3 fatty acid. Both are the two essential fatty acids required in the diet. They help to support healthy metabolism, good cognitive function, and healthy skin and hair growth. This multipurpose compound is essential for healthy tissue and cell growth. What is Linoleic Acid? Linoleic acid, whose name is derived from the Greek words "linon," which means "flax," and "oleic," which means "produced from oil," is an unsaturated fat. Unsaturated fats are essential for encouraging cell regeneration and keeping skin smooth, elastic, and young-looking. Linoleic acid can be used on all skin types, but those with dry or acne-prone skin may find it most beneficial. Acne patients have been demonstrated to have reduced linoleic acid levels in their skin surface lipids. Is Gamma Linolenic Acid the Same as Linoleic Acid? Gamma linolenic acid, is produced in the body from linoleic...

The Metabolic Therapy Stack combines targeted nutrition, resistance training, circadian-aligned lifestyle, supplements, and optional medications to treat obesity as a metabolic disease . Focuses on restoring insulin sensitivity, mitochondrial function, and hormonal balance Weight loss is a side effect of metabolic repair , not calorie restriction alone Step 1: Nutrition for Metabolic Repair Prioritize protein: 1.2–1.6 g/kg/day to preserve lean mass Low-glycemic carbs: Minimize refined grains, sugar, and ultra-processed foods Healthy fats: Omega-3s, monounsaturated fats, MCTs Fiber & phytonutrients: Vegetables, berries, legumes Time-restricted eating: 10–12 hour feeding window to improve insulin sensitivity Optional Approaches: Low-carb or ketogenic cycles for insulin resistance Intermittent fasting for circadian alignment Mediterranean-style diet for cardiovascular benefit Related:  Obesity Is a Metabolic Disease: Insulin Resistance, Hormones, and Energy Balance Step 2: ...

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  ...