Journal
How long things
actually last.
Short, useful guides on replacement intervals for the products in your bathroom.
Shaving
How often should you replace razor blades?
Most men get five to seven comfortable shaves from a cartridge blade. Here is how shave frequency, hair type and drying habits change that.
18 August 2026 · 4 min read
Dental Care
How often should you replace an electric toothbrush head?
Dental guidance points to a new brush head roughly every three months, or sooner once the bristles splay. Here is what affects that interval.
25 August 2026 · 3 min read
Body
How long does deodorant last?
A standard 150 ml deodorant spray typically lasts four to six weeks with daily use. Format, application habits and climate all shift the number.
1 September 2026 · 3 min read