Chitosan Multi Use Styling Spray Refill 165m L vs Pettenon RR Line Real Keratin Lotion: which is safer?

Pettenon RR Line Real Keratin Lotion is our pick: better on PFAS and on the overall hazard picture.

Dyson

Chitosan Multi Use Styling Spray Refill 165m L

PFAS grade

C 75/100

Overall grade

F 43/100

Verdict

Buy with care

Hazard flags

⚑ 3

Material

Chitosan-based aerosol spray (biopolymer humectant)

Confidence

72%

PossiblePropellant inhalation risk (unspecified)

ReportedAerosol particle inhalation and lung deposit

LikelyLack of ingredient disclosure and testability

Why this gradeBuy

Our pick

Spray Lotion

Pettenon RR Line Real Keratin Lotion

PFAS grade

C 75/100

Overall grade

F 59/100

Verdict

Buy with care

Hazard flags

⚑ 4

Material

Keratin protein, water, cosmetic emollients

Confidence

72%

PossibleFormaldehyde-releasing preservatives

PossibleFragrance allergens and undisclosed fragrance compounds

PossibleSpray inhalation of fine particles and volatile solvents

Why this gradeBuy

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 hair spray: see the full ranking