The Overnight Repair Guide

Everything you need to understand, repair, and maintain your skin barrier — built around the Trucel Bio-Collagen Wrapping Mask. Covers what the skin barrier is and why it breaks down, the science of overnight repair, a full ingredient breakdown, a 4-week restoration protocol, step-by-step masking routine, causes of barrier damage, and long-term maintenance guidance. The definitive reference for anyone serious about repairing their skin.