Neutrogena Scalp Therapy Anti-Dandruff Extra Strength Shampoo
Lower concern; rinse-off shampoo with no known PFAS-prone features, but no public PFAS commitment.
This rinse-off liquid shampoo requires no waterproofing, grease-resistance, or non-stick coating where PFAS typically appear. The formulation type presents lower inherent risk than treated textiles or waterproof cosmetics.
We flunk more products than we pass. This one earned its grade. How we grade
Material
aqueous shampoo base (surfactants, salicylic acid, conditioning agents)
Lab data
No public lab test
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What Neutrogena Scalp Therapy Strength Shampoo is made of, ingredients and materials
Neutrogena Scalp Therapy is a water-based shampoo containing salicylic acid (the active anti-dandruff agent), synthetic surfactants for cleansing, and conditioning polymers to prevent dryness. Salicylic acid is a beta-hydroxy acid (BHA) that exfoliates scalp buildup and is well-established in dermatology at low concentrations (typically 1.5-2%). Because shampoo is rinsed off within minutes, systemic absorption is minimal, and the main concern is localized scalp irritation in sensitive individuals rather than toxicological hazard.
What’s concerning
Category baseline
The starting point for this type of product, before anything specific to this product is counted.
No PFAS disclosure
No public statement from the brand about PFAS in this product.
Salicylic acid irritation (localized scalp sensitivity)
Salicylic acid at anti-dandruff strengths (1.Salicylic acid (5-2%) can cause temporary redness, dryness, or irritation in people with sensitive or damaged scalp skin. Risk is low for rinse-off use but not zero; individuals with active dermatitis should patch test first.
Fragrance allergens
Neutrogena Scalp Therapy contains fragrance compounds; no comprehensive allergen list is published on the label. Synthetic fragrances can trigger contact dermatitis or scalp sensitivity in ~1-3% of users, particularly those with atopic skin. People with fragrance sensitivity should avoid or test on a small area first.
Preservative safety (undisclosed formula details)
Full preservative system is not detailed on consumer-facing materials. Modern shampoo preservatives (e.g.Preservatives (methylchloroisothiazolinone, methylisothiazolinone) are used at regulatory limits but can cause sensitization in susceptible individuals. Neutrogena does not publicly specify which preservatives are used in this formulation.
What’s reassuring
Base material not linked to PFAS
The main material recorded for this product is not one associated with PFAS.
Microplastics
Shampoo conditioning agents are typically water-soluble polymers (e.g., dimethicone, amodimethicone) that rinse away; no microplastic content has been reported or is expected in this formulation. Environmental concern is minimal for rinse-off products.
Source, EPA ↗Heavy metals
Neutrogena's personal care lines are subject to FDA and cosmetic ingredient regulations that restrict lead and cadmium. No testing data or recalls indicate heavy metal contamination in this shampoo. Risk is considered low.
Source, FDA ↗How is this PFAS grade calculated?
The brand's record and disclosure
Neutrogena (Johnson & Johnson subsidiary) has a mixed transparency record, the company has faced scrutiny over talc contamination in body powders (leading to lawsuits) and historical use of certain preservatives, but does not publicize comprehensive ingredient safety testing for shampoos. No major recalls or safety warnings are on record for this specific product line. Neutrogena makes no explicit public commitment to PFAS elimination, though rinse-off products are lower risk vectors.
How it compares in its category
Salicylic acid shampoos are a standard OTC category; this formulation is typical for mass-market anti-dandruff products. Alternatives using zinc pyrithione or ketoconazole exist but carry comparable usage profiles. Neutrogena's pricing and availability are mainstream. No evidence suggests this product has a different hazard profile than similar salicylic acid shampoos from comparable brands.
If you buy it
Use as directed (typically 2-3 minutes contact time). Do not apply to broken or severely irritated scalp. Discontinue if scalp redness, itching, or burning worsens after 1 week. Avoid eye contact; rinse thoroughly. Store at room temperature away from direct heat. No special maintenance needed; replace when empty. Salicylic acid can be drying; alternate with a mild conditioner if scalp feels tight.
What is not known about PFAS in this product?
- Basis
- Model estimate, 75% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- Neutrogena has made a specific claim
Formulations change between production runs, so check the current label. How we grade.
More shampoo 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.