Anti-Perspirant Roll-On vs Baking Soda Free Deodorant: which is safer?

Where these two actually differ

• We flag Aluminum salts - systemic absorption and neurotoxicity concern, Skin irritation and contact dermatitis from aluminum chloride, Fragrance allergens and undisclosed components and Propylene glycol skin irritation at high concentration on the Certain Dri and not on the Primally Pure.
• We flag Skin irritation from magnesium hydroxide alkalinity on the Primally Pure and not on the Certain Dri.
• The Certain Dri is Antiperspirant active (aluminum salts), glycol/water base, emollients where the Primally Pure is mineral-based powder blend (arrowroot, magnesium hydroxide, mica), 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.
• We are less certain about the Certain Dri grade, at 45% confidence against 82%, because it discloses less.