Dermatological Nutrition: Skin Barrier Guide

The Stratum Corneum

Your skin's outer layer is like a brick wall.

The "mortar" consists of lipids: ceramides, cholesterol, and free fatty acids.

A healthy lipid barrier blocks irritants and locks in moisture.

Foods to Rebuild

Omega-3s: Wild fish, flaxseeds, and walnuts replenish the lipid matrix.

Vitamin C: Citrus and bell peppers cofactor collagen synthesis.

Zinc: Promotes cellular repair and downregulates acne pathways.

Foods to Limit

High-Glycemic Foods: Spiking insulin drives sebum and acne inflammation.

AGEs & Saturated Fats: Advanced Glycation End-products stiffen collagen.

Identify personal triggers using a daily food diary.

The Gut-Skin Axis

Gut dysbiosis can trigger micro-inflammation site-wide.

Fermented foods like yogurt and kefir support gut integrity.

A healthy gut helps calm chronic eczema and acne breakouts.

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