2-Nonenal and "old people smell": what the science actually says
The claim that one molecule, 2-nonenal, is the cause of "old people smell" rests largely on a single small 2001 study and has replicated inconsistently. Body odour changes with age...
Knowledge Base
Does your body odour change after Long COVID?
Article 07 / Science / April 2026 Does your body odour change after Long COVID? Long COVID· Autonomic dysfunction· Gut dysbiosis· Body odour Super Deodorant Laboratories VCS 14 min read...
Why does night terror sweat smell so different?
Article 06 / Science / April 2026 Why does night terror sweat smell so different? Night sweats· Stress sweat· Trauma· Body odour Super Deodorant Laboratories VCS 12 min read Quick...
Why does my sweat smell like ammonia?
When sweat smells like ammonia, the cause is amino acid catabolism, not poor hygiene. This article explains the protein metabolism, urea cycle, and eccrine gland biochemistry behind ammonia-scented sweat, when...
Why does my body odour smell like feces?
The faecal component of body odour is primarily caused by skatole (3-methylindole), produced when gut bacteria break down tryptophan. Because skatole reaches the skin through the bloodstream, this odour can...
Why your armpits smell like onions (and what it actually means)
The onion-like armpit smell is a specific molecule called 3-methyl-3-sulfanylhexan-1-ol (3M3SH), a thioalcohol produced when Staphylococcus hominis breaks down odourless precursors in apocrine sweat. This article explains the full pathway,...
Perimenopause and body odour: why it changes and what is actually happening
Article 02 / Hormonal / March 2026 Perimenopause and body odour: why it changes and what is actually happening Perimenopause body odour· Menopause body odour· Hormonal body odour Super Deodorant...
Why your deodorant stops working, and why you may still smell after using it
Most body odour is bacterial. Sweat leaves the body almost entirely odourless. The smell is produced by bacteria on the skin. They consume sweat compounds and, through their own enzymatic...
The Volatile Control System: An Introduction
We had an objective. This very objective dictated every formulation decision, every product, every test. We wanted to take topical science as far as it would go. Build all the way...