The Journal
Notes on skin & science
Considered writing on the molecules, methods and rituals behind Senn Blue.
Education
Barrier-first skincare: why the cream matters as much as the serum
Actives get the attention, but a healthy skin barrier is what lets them work. We explain the role of ceramides and why protection is the final, essential step.
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Featured Reading
Ritual
The two-step ritual: how to layer serum and cream
Order matters. A short, considered routine — serum first, then cream — does more for your skin than a crowded shelf. Here is the Senn Labs method.
The Science
Understanding GHK-Cu: the copper peptide at the heart of Senn Blue
A naturally occurring copper tripeptide, GHK-Cu has become one of the most studied molecules in modern skin science. Here's why we built The Essentials around it.