Redken Extreme Shampoo
Lower concern with no known PFAS triggers, though brand transparency is missing.
This liquid hair cleanser has no reported PFAS-linked ingredients like Teflon-family coating or waterproofing treatments. Redken makes no public PFAS claim, and legacy manufacturing data for this line is not publicly available.
We flunk more products than we pass. This one earned its grade. How we grade
Material
aqueous shampoo base (water, surfactants, conditioning agents)
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
You may also be interested in
Top-graded picks in the categories readers replace first, every one scored on the same rubric.
- polypropylene filter housing, carbon/sediment cartridge
- We found no PFAS statement from the brand
- Bacterial growth in spent cartridges
3 hazards checked on this product, all on its full breakdown.
Aquasure
Premier Series 75 GPD Under Sink Reverse Osmosis Water Filtration System
- RO membrane, carbon filters, stainless steel housing
- We found no PFAS statement from the brand
- Bacterial and microbial growth in housing and filters
4 hazards checked on this product, all on its full breakdown.
Avocado
Vegan Mattress
- organic cotton, natural latex, coconut coir, recycled steel coils
- The brand calls it PFAS-free, which we have not verified
- Heavy metals
2 hazards checked on this product, all on its full breakdown.
What Redken Extreme Shampoo is made of, ingredients and materials
Redken Extreme Shampoo is a water-based formulation containing surfactants (cleansing agents), silicones, and conditioning polymers designed to strengthen damaged or chemically treated hair. The aqueous base (mostly water) is inherently low-risk for systemic absorption through scalp application. Silicones and conditioning agents coat the hair shaft rather than penetrating skin, limiting dermal hazard potential for typical use.
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.
Fragrance allergens and sensitivizers
Redken Extreme contains a proprietary fragrance blend not fully itemized on packaging. Fragrance is a known contact allergen category; individuals with sensitive scalp or fragrance sensitivities may experience itching, redness, or dermatitis.
1,4-dioxane as processing contaminant
Shampoos containing ethoxylated surfactants (common in this category) may carry trace 1,4-dioxane as a byproduct of manufacturing. Levels in finished consumer products are typically below 1 ppm and are rinsed away; dermal absorption during normal use is considered negligible by regulatory bodies.
Scalp irritation from surfactant concentration
Redken Extreme is formulated for damaged hair and may contain higher surfactant loads than gentle alternatives. Individuals with compromised skin barrier, eczema, or chemical sensitivity may experience temporary dryness, itching, or irritation; patch testing on a small scalp area first is prudent.
What’s reassuring
Base material not linked to PFAS
The main material recorded for this product is not one associated with PFAS.
Formaldehyde / VOCs
No specific formulation data available; standard shampoo preservatives (e.g., methylisothiazolinone, phenoxyethanol) do not release formaldehyde. Historical releasers like DMDM hydantoin are largely phased out of major brands but cannot be ruled out without full ingredient review.
Source, ATSDR ↗Heavy metals
Redken Extreme does not list synthetic colorants or mineral pigments in disclosed ingredients. Risk of heavy-metal contamination (lead, cadmium, chromium) is minimal for this aqueous formulation without added colorants, though raw material sourcing is not publicly audited.
Source, FDA ↗How is this PFAS grade calculated?
The brand's record and disclosure
Redken, owned by L'Oreal, does not publish detailed PFAS or heavy-metal testing data for individual products, and makes no explicit commitment to exclude intentionally added PFAS. The brand has no recorded recalls or regulatory enforcement actions specific to Extreme Shampoo. L'Oreal maintains compliance with EU Cosmetics Regulation and US FDA guidelines but does not exceed baseline transparency standards in ingredient disclosure.
How it compares in its category
Redken Extreme sits in the mid-range premium segment; its formulation is comparable to mainstream sulfate-free shampoos in chemical profile. Fragrance blends and preservative systems are standard for the category. No documented evidence suggests Extreme poses greater hazard than drugstore or professional-line alternatives of similar price and function.
If you buy it
Use as a typical shampoo, apply to wet hair, lather, rinse thoroughly. Avoid prolonged contact with eyes; rinse immediately if contact occurs. Store at room temperature away from direct sunlight. Replace when empty or if formula separates or develops off-odors, typically within 12-24 months of opening. Discontinue if scalp irritation develops and consult a dermatologist.
What is not known about PFAS in this product?
- Basis
- Model estimate, 72% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- Redken has made none
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.