Baking Soda Free Deodorant vs Royal Rush Deodorant: which is safer?

Primally Pure Baking Soda Free Deodorant is our pick, better on PFAS and on the overall hazard picture.

Our pick

Primally Pure Baking Soda Free Deodorant

Primally Pure

Baking Soda Free Deodorant

PFAS grade

Excellent 100/100

Overall grade

Excellent 96/100

Verdict

Buy

Hazard flags

⚑ 1

Material

mineral-based powder blend (arrowroot, magnesium hydroxide, mica)

Confidence

82%

PossibleSkin irritation from magnesium hydroxide alkalinity

Old Spice Royal Rush Deodorant

Old Spice

Royal Rush Deodorant

PFAS grade

Excellent 75/100

Overall grade

Good 63/100

Verdict

Buy

Hazard flags

⚑ 3

Material

Aluminum-based aerosol deodorant formulation

Confidence

72%

PossibleFragrance allergens and undisclosed components

PossibleAluminum compound systemic absorption

PossibleAerosol inhalation exposure

Where these two actually differ

  • We flag Skin irritation from magnesium hydroxide alkalinity on the Primally Pure and not on the Old Spice.
  • We flag Fragrance allergens and undisclosed components, Aluminum compound systemic absorption and Aerosol inhalation exposure on the Old Spice and not on the Primally Pure.
  • The Primally Pure is mineral-based powder blend (arrowroot, magnesium hydroxide, mica) where the Old Spice is Aluminum-based aerosol deodorant formulation, which is most of the difference in these two grades.
  • The gap is 25 points, wide enough that this is not a close call, and the Primally Pure is the one to buy.

Both products run through the same public rubric, which covers 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 →

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