Forensic Comparison

Supply SE Single Edge Injector Razor VS Mühle Rocca R94 Pure Stainless Steel Safety Razor

REF #98
AA

Supply SE Single Edge Injector Razor

Cost Per Year
$28.69/yr
MSRP
$59
Horizon
20.00 Years
Waste Factor
3x Units Avoided
Full Audit
REF #96
AA+

Mühle Rocca R94 Pure Stainless Steel Safety Razor

Cost Per Year
$20.90/yr
MSRP
$127
Horizon
50.00 Years
Waste Factor
4x Units Avoided
Full Audit

Financial Trajectory

Audit Winner
Mühle Rocca R94 Pure Stainless Steel Safety Razor
NPV Cost:$156
$0$39$78$117$156Yr 0Yr 10Yr 20Yr 30Yr 40Yr 50
Winner
Disposable Baseline
MetricSupply SE Single Edge Injector RazorMühle Rocca R94 Pure Stainless Steel Safety Razor
MSRP$59$127
20-Year TCO$427$311
Cost Per Year$28.69/yr$20.90/yr
Waste Factor3x Avoided4x Avoided

Failure Threat Matrix: Supply SE Single Edge Injector Razor

  • Brittle Fracture
    Risk: Low (requires drop)
    Do not drop on hard surfaces (tile/granite). Use a grip sleeve or stand.
  • Spring Fatigue
    Risk: Very Low
    Covered by lifetime warranty. No user mitigation available.
  • PVD Coating Wear
    Risk: Low
    Clean regularly to prevent soap scum buildup which can look like wear.

Failure Threat Matrix: Mühle Rocca R94 Pure Stainless Steel Safety Razor

  • Bent safety bar/top cap
    Risk: Low (Requires drop)
    Do not tap razor against sink; use a towel. Do not drop on tile.
  • Thread stripping
    Risk: Very Low
    Do not overtighten the handle. Clean threads occasionally.

Efficiency Verdict

Analysis confirms that Mühle Rocca R94 Pure Stainless Steel Safety Razor provides the superior ROI over a 20-year horizon, saving approximately $7.79/yr compared to the alternative.