At 28N, we believe skincare claims should be supported by evidence. Our Research Library brings together independent in-vivo studies, ingredient science, formulation insights, and practical skincare education to help you understand not only what works—but why it works.

Ingredients glossary

CycloRetin™: The Next-Generation Retinol Alternative from Prince Ginseng

CycloRetin™: The Next-Generation Retinol Altern...

Discover how CycloRetin™ supports retinol-like skin renewal through a unique Prince ginseng-derived peptide. Explore the published research, understand how it compares with retinol and bakuchiol, and learn why we selected...

CycloRetin™: The Next-Generation Retinol Altern...

Discover how CycloRetin™ supports retinol-like skin renewal through a unique Prince ginseng-derived peptide. Explore the published research, understand how it compares with retinol and bakuchiol, and learn why we selected...

Bakuchiol vs Retinol: The Plant-Based Alternative Backed by Research

Bakuchiol vs Retinol: The Plant-Based Alternati...

Discover what bakuchiol is, how it compares to retinol, and why independent clinical research has positioned it as one of the most effective plant-based anti-ageing ingredients. Learn how it works,...

Bakuchiol vs Retinol: The Plant-Based Alternati...

Discover what bakuchiol is, how it compares to retinol, and why independent clinical research has positioned it as one of the most effective plant-based anti-ageing ingredients. Learn how it works,...

Amplified Argireline®: The Botox Alternative for Firmer, Wrinkle-Free Skin

Amplified Argireline®: The Botox Alternative fo...

In the world of skincare, innovative ingredients are key to achieving real, noticeable results. One such groundbreaking advancement is Amplified Argireline®, a next-generation peptide designed to provide Botox-like effects without...

Amplified Argireline®: The Botox Alternative fo...

In the world of skincare, innovative ingredients are key to achieving real, noticeable results. One such groundbreaking advancement is Amplified Argireline®, a next-generation peptide designed to provide Botox-like effects without...