No 5 Olaplex Bond Maintenance Conditioner vs Bond Maintenance Conditioner: which is safer?
No 5 Olaplex Bond Maintenance Conditioner is our pick: better on PFAS and on the overall hazard picture.
Our pick
Olaplex
No 5 Olaplex Bond Maintenance Conditioner
PFAS grade
C 75/100
Overall grade
D 67/100
Verdict
Buy
Hazard flags
⚑ 2
Material
aqueous conditioner with silicones and bonding polymers
Confidence
72%
PossibleFragrance/fragrance allergens
PossibleSilicone bioaccumulation on scalp
Olaplex
Bond Maintenance Conditioner
PFAS grade
C 75/100
Overall grade
F 63/100
Verdict
Buy
Hazard flags
⚑ 3
Material
aqueous conditioning emulsion (surfactants, oils, polymers)
Confidence
72%
Possible1,4-dioxane (rinse-off contamination risk)
PossibleFragrance allergen undisclosure
PossibleMicroplastic shedding from polymeric coatings
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 conditioner: see the full ranking