breathing concentrated oxygen creates a bidirectional gradient that draws oxygen deeper into skin and tissue
Under normoxic surface conditions (pO₂ = 159 mmHg), a bidirectional oxygen gradient is established from epidermis to deep tissue and from vasculature to periphery, with skin surface peak oxygen concentration of 0.232 mol/m³ versus 0.146 mol/m³ at arteriolar inlets.
What this means for you
When oxygen levels at the skin surface rise above what's circulating in nearby blood vessels, your body naturally moves that oxygen inward — toward deeper layers of tissue. This kind of gradient supports the conditions your cells need for repair, energy production, and resilience, especially in areas that don't always get optimal circulation.
The published research
Computational modeling of oxygen dynamics in port-wine stain photodynamic therapy: treatment outcome optimization and pain management
Journal of Biomedical Optics · 2026
This page describes a documented finding about the underlying wellness technology. It is not a marketing claim about any specific device. For information about HOCATT specifically, visit hocatt.com.