Undaria Algae Body Butter vs Skin Food Body Butter: which is safer?
Skin Food Body Butter is our pick, better on PFAS and on the overall hazard picture.
Osea
Undaria Algae Body Butter
PFAS grade
Excellent 85/100
Overall grade
Good 73/100
Verdict
Buy
Hazard flags
⚑ 3
Material
Marine algae extract, butters, oils
Confidence
82%
PossibleIodine content in seaweed
PossibleHeavy metals in marine algae
PossibleOil oxidation and rancidity
Our pick
Weleda
Skin Food Body Butter
PFAS grade
Excellent 100/100
Overall grade
Excellent 92/100
Verdict
Buy
Hazard flags
⚑ 2
Material
Plant oils, butters, waxes
Confidence
82%
PossibleFragrance allergens
PossibleOil oxidation and rancidity
Where these two actually differ
- We flag Iodine content in seaweed and Heavy metals in marine algae on the Osea and not on the Weleda.
- We flag Fragrance allergens on the Weleda and not on the Osea.
- Both carry a flag for Oil oxidation and rancidity, so neither choice avoids it.
- The Osea is Marine algae extract, butters, oils where the Weleda is Plant oils, butters, waxes, which is most of the difference in these two grades.
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 →
More moisturizer, see the full ranking