Schwarzkopf · Hair Styling Products
OSiS+ Session Label Smooth Strong Hairspray
Lower concern, but Schwarzkopf makes no PFAS disclosure, ask the brand directly if risk matters to you.
OSiS+ Session Label is a conventional aerosol hairspray with no known PFAS-prone ingredients (Teflon-type coating coatings, water-resistant treatments). However, Schwarzkopf provides no public statement on PFAS in this product.
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Aerosol hairspray with alcohol, resins, propellant (likely hydrocarbon or compressed gas)
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
Why this grade
Category baseline
cosmetics is a category where PFAS exposure is more common.
No PFAS disclosure
No public statement about PFAS in this product.
Safe base material
Made from a material with no inherent PFAS use (ceramic, mineral, or natural fiber).
The full breakdown
What it's made of and why it matters
OSiS+ Session Label Smooth Strong is an aerosol hairspray combining alcohol (solvent and fast-drying agent), film-forming resins (typically acrylate or vinyl-based polymers for hold), and a propellant (likely hydrocarbon gas or compressed air). The resin coating on hair is designed to be temporary and washable. Alcohol content evaporates quickly, minimizing skin exposure during application.
The brand's record and disclosure
Schwarzkopf is a large, established haircare manufacturer owned by Henkel. The brand does not publicly disclose PFAS content in its styling products, and no major safety recalls specific to this formulation are on record. Schwarzkopf adheres to EU and US cosmetic regulations but makes limited transparency statements about chemical composition beyond regulatory requirements.
How it compares in its category
Aerosol hairsprays are a mature product category with consistent formulation approaches across brands. OSiS+ Session Label sits in the mid-to-premium segment; it is chemically similar to drugstore and professional alternatives in propellant type, resin chemistry, and alcohol load. No distinctive safety profile separates it from competitors.
If you buy it
Apply in a well-ventilated area to minimize inhalation of alcohol vapors and propellant. Avoid spraying near eyes or open flames. Do not puncture or incinerate the aerosol can. Store upright at room temperature away from heat. Wash hair regularly to remove resin buildup; no special skin precautions needed for normal use.
Beyond PFAS: other things we checked
Established hazard classes for this product type, assessed from public information. These never change the PFAS grade; a Likely flag caps the Verdict at “Buy with care.”
Inhalation of propellant and volatile compounds
Aerosol hairsprays release hydrocarbon or compressed-gas propellants and alcohol vapors during use. Chronic inhalation in poorly ventilated spaces may cause respiratory irritation; acute over-exposure is unlikely in normal application.
Formaldehyde or formaldehyde-releasing preservatives
No established data indicates Schwarzkopf OSiS+ Session Label contains formaldehyde releasers. Hairsprays typically use alternative preservatives, but product-specific ingredient disclosure from Schwarzkopf would confirm.
Fragrance allergens
Like most styled hairsprays, this product likely contains fragrance compounds. Individuals with sensitivity to cosmetic fragrances may experience scalp or respiratory irritation; full fragrance ingredient list is not publicly disclosed.
Resin buildup and scalp irritation
Repeated application without adequate washing can lead to polymer residue accumulation on hair and scalp, potentially causing dryness or mild irritation. This is a usage issue, not a formulation toxicity concern.
Eye contact risk
Aerosol spray misdirection or user error can deliver product to the eye; alcohol and resin solvents cause stinging and temporary discomfort. Standard caution label applies.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 72% confidence. It is not a lab result.
No independent PFAS lab test is on record for this exact product. A lab test could move the score in either direction.
The brand has not made a specific, verifiable PFAS-free statement, so part of this score reflects that missing disclosure rather than a confirmed material.
Formulations and coatings change between production runs. Always check the current label before buying.
Safer alternatives in Hair Styling Products
Olaplex
Signature Hair & Body Mist
water-based fragrance spray in glass/plastic bottle
Lower concern, but Olaplex makes no public PFAS commitment, typical for the cosmetics category.
✓Bare metal or glass, no coating at all
More hair styling products grades
How we score: every product runs through the same public 0–100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.