Beyond Collagen, OLAY's AAD 2026 Research Puts Cell Adhesion at the Center of Skin Aging

Cell adhesion, the biological process by which skin cells connect, communicate, and maintain structural integrity, may be just as important as collagen in determining how skin ages. That was the central finding OLAY presented at the American Academy of Dermatology Annual Meeting (AAD 2026), based on years of proprietary genomic research.

What “Exceptional Skin Agers” Have in Common

OLAY’s research team studied individuals whose skin appears significantly younger than their chronological age, a group they call Exceptional Skin Agers. The pattern was consistent: these individuals showed elevated expression of genes associated with cell adhesion and barrier function.

In aging skin, the opposite was true. Cell adhesion-related proteins showed significant decline, and that decline correlated directly with the visible signs of aging, including wrinkles, sagging, roughness, and loss of radiance.

Why This Matters Beyond Collagen

Anti-aging skincare has been built largely around collagen for decades. Collagen provides structural support, volume, and resilience. But according to Dr. Rolanda Wilkerson, Principal Scientist at OLAY:

“Our latest research shows that how skin cells connect, what we call cell adhesion, is just as critical.”

Think of collagen as the steel framework of a building. Cell adhesion is the mortar between bricks. Even with strong beams, the structure fails if the joints between individual units weaken.

Peptide Combinations and Gene Upregulation

In laboratory studies, OLAY found that specific peptide combinations upregulated genes associated with cell adhesion. Upregulation means the cells are producing more of the adhesion proteins that keep them connected. More protein production, stronger intercellular bonds.

Building on these findings, OLAY introduced two formulations: Triple Collagen Peptide and Hexa-Repair Peptide Complex, designed to target both collagen support and cell adhesion reinforcement simultaneously.

The Barrier Function Connection

Cell adhesion and skin barrier function are deeply interlinked. The skin barrier prevents moisture loss and blocks environmental aggressors. When adhesion proteins decline, gaps form between cells, allowing water to escape and irritants to penetrate.

The fact that Exceptional Skin Agers showed elevated barrier function gene expression alongside cell adhesion genes suggests these two processes operate as a unified defense system rather than independent mechanisms.

What to Consider for Your Routine

This research is still at the laboratory and genomic analysis level, not yet validated in large-scale clinical trials on finished products. That said, the shift in perspective is significant.

• Peptide products: Look beyond “collagen-boosting” claims. Formulations targeting cell adhesion may offer complementary benefits
• Barrier support: Ingredients like ceramides and niacinamide that reinforce the skin barrier may help maintain the cellular connections that weaken with age
• Multi-target approach: The emerging framework positions collagen + cell adhesion + barrier function as three interconnected pillars of skin aging defense, not one in isolation