R12-60 Electric Guitar Strings vs Thomastik Power-BRights Electric Guitar Strings: which is safer?

Rotosound R12-60 Electric Guitar Strings is our pick: better on PFAS and on the overall hazard picture.

Our pick

Rotosound R12-60 Electric Guitar Strings

Rotosound

R12-60 Electric Guitar Strings

PFAS grade

A 95/100

Overall grade

A 91/100

Verdict

Buy

Hazard flags

⚑ 1

Material

Nickel-wound steel strings; stainless steel construction

Confidence

82%

PossibleNickel contact sensitization

Thomastik Power-BRights Electric Guitar Strings

Thomastik-Infeld

Thomastik Power-BRights Electric Guitar Strings

PFAS grade

A 95/100

Overall grade

B 87/100

Verdict

Buy

Hazard flags

⚑ 2

Material

Stainless steel core wire with nickel-plated windings

Confidence

78%

PossibleNickel contact dermatitis

PossibleCorrosion byproducts on skin

Both products run through the same public rubric: materials, coatings, brand disclosure, lab findings, and recalls, plus a beyond-PFAS hazard analysis. Grades are model-based estimates, not lab tests. How grades work →

More guitar strings: see the full ranking