Gillette has a deeply split reputation in the r/BuyItForLife community that breaks cleanly along one fault line: vintage double-edge safety razors and their associated blades are near-universally celebrated as among the best BIFL products that exist, while modern cartridge products like the Mach3 and Fusion are widely criticized as expensive, wasteful, and inferior. The vintage safety razor lines — Super Speed, Slim Adjustable, Fatboy, and Tech — collectively dominate the brand's mention volume and carry strong-to-enthusiastic endorsements, with users reporting 50–80 years of functional daily use. The Mach3 handle earns grudging respect for durability, but the ongoing cartridge cost disqualifies it from true BIFL status in most members' eyes. Blade lines like Gillette Silver Blue and Nacet are separately strong recommendations that enhance the vintage razor ecosystem.
The vintage safety razor lines (Super Speed, Slim Adjustable, Fatboy, Tech) and blade lines (Silver Blue, Nacet) collectively account for the majority of mentions and carry strong or near-unanimous endorsements — but modern cartridge products like the Mach3 are explicitly called out as BIFL failures due to recurring blade costs and waste. The brand earns a 'Mixed' verdict because both halves of that story are large and real; recommending 'Gillette' without naming the divide would be misleading.
Gillette's vintage safety razor lineup represents some of the most durable, cost-effective shaving tools the community has ever encountered, with brass and steel construction that genuinely outlasts generations. Blade options in the double-edge format are affordable, widely compatible, and consistently praised for sharpness and longevity.
The brand's modern cartridge products are broadly seen as a step backward — expensive per-shave, wasteful, and inferior to the vintage lineup Gillette largely abandoned. Safety razors in general carry a learning curve that is a real barrier for some users.
Multiple users describe inheriting a Gillette safety razor from a parent or grandparent and using it daily for decades — the same razor, still performing like new.
The community consensus is blunt: Gillette's pivot to cartridges was a cynical business decision, not a quality improvement — the old razors were better by every measure that matters.
A Mach3 handle from the late 90s is 'adequate and proven,' but the blades make it a subscription product, not a BIFL one.
Gillette Silver Blue and Nacet blades are regularly cited alongside Astra SP and Feather as the starting shortlist for anyone building a serious double-edge shaving kit.