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

These two grade almost identically. Pick on price and preference; neither has a PFAS edge.

Dean Markley Electric Guitar Strings

Dean Markley

Electric Guitar Strings

PFAS grade

A 95/100

Overall grade

B 87/100

Verdict

Buy

Hazard flags

⚑ 2

Material

Steel alloy strings (nickel-plated or stainless steel core)

Confidence

82%

PossibleNickel leaching from plating

PossibleSurface oxidation and corrosion particles

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