Skincare · 5 min read
Copper peptides explained: what is GHK-Cu?
Understand the copper peptide behind the name, the difference between laboratory research and human results, and the questions worth asking before choosing a serum.
Read the answerTHE LONGEVITUS JOURNAL
Better questions.
A more informed ritual.
Clear answers about skincare, longevity, sleep and everyday nutrition. Explore the evidence, understand the limits, and find what fits your life.
Skincare
5 articles
Skincare · 5 min read
Do men and women need different skincare routines?
Choose by your skin's needs, your shaving habits and the routine you enjoy. Collection names can guide discovery, while the individual formula deserves the final say.
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Skincare · 5 min read
How to layer serums without overwhelming your skin
A simple sequence, a careful introduction and a clear distinction between an at-home product test and medical patch testing.
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Skincare · 5 min read
SNAP-8 and expression lines: what does the evidence show?
A careful look at SNAP-8, why research on a different peptide cannot prove its effects, and how to judge the promise of a cosmetic serum.
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Skincare · 5 min read
What actually works for skin aging?
Start with sun protection, comfortable hydration and evidence you can trace. A clear guide to the habits and ingredients that deserve a place in your routine.
Read the answerLongevity
2 articles
Longevity · 5 min read
Do longevity supplements work? What NMN, NR and NAD+ studies show
NAD+ is important to cells, but raising a biomarker is different from proving longer life. A plain-language look at human NMN and NR research.
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Longevity · 4 min read
What is longevity, and how is healthspan different from lifespan?
Living longer and living well are connected goals. Learn what healthspan means, which everyday habits have useful evidence, and how to read longevity claims.
Read the answerSleep
1 article
Nutrition
1 article
Drinks
1 article
HOW WE WRITE
Evidence before promises.
Our editorial team draws on public health guidance and published research, linking sources so you can explore them yourself. Ingredient research is distinguished from testing of a finished product. Upcoming collection concepts are identified as in development. Articles are educational and do not replace individual medical advice.
Published by Longevitus, a skincare and daily-ritual brand. Meet the brand or send us a question.