Redken Review, Is Redken Non-Toxic?
PFAS Authority is a scoring system, not a laboratory. We do not test products ourselves. Grades are model-based, built from published ingredients, materials, certifications, brand disclosures and third-party lab results where they exist. See the rubric.
Across 15 graded products, Redken averages Good (74/100). On disclosure, the brand says nothing publicly about PFAS. 14 of its products grade Good or better. Grades are model-based estimates, not lab results.
Does Redken have PFAS, by category
Worth buying from Redken Good or better, safest first
Redken
Extreme Length Shampoo
Aqueous liquid shampoo formulation (water, surfactants, conditioning agents)
Fragrance allergens
Redken Extreme Length contains fragrance components listed as 'fragrance' (proprietary…
Preservative-related irritation or sensitization
Typical rinse-off shampoos use methylchloroisothiazolinone (MCI) or methylisothiazolinone…
Silicone buildup on scalp
Redken Extreme Length contains silicones (dimethicone and related polymers) for…
Lower concern for a rinse-off shampoo with no known PFAS triggers.
⚠Risky category by default
Redken
Extreme Shampoo
aqueous shampoo base (water, surfactants, conditioning agents)
Fragrance allergens and sensitivizers
Redken Extreme contains a proprietary fragrance blend not fully itemized on packaging.…
1,4-dioxane as processing contaminant
Shampoos containing ethoxylated surfactants (common in this category) may carry trace…
Scalp irritation from surfactant concentration
Redken Extreme is formulated for damaged hair and may contain higher surfactant loads…
Lower concern with no known PFAS triggers, though brand transparency is missing.
⚠Risky category by default
Redken
All Soft Shampoo
aqueous surfactant blend, polymers, conditioning agents
Fragrance allergens and irritants
Redken All Soft contains fragrance, which is a known sensitizer for some individuals.…
1,4-dioxane (synthetic byproduct)
Surfactants derived from ethoxylation (common in rinse-off shampoos) may contain trace…
Formaldehyde / VOCs
Some shampoos use preservatives that release small amounts of formaldehyde as a byproduct…
Eye irritation from surfactant residue
Shampoos formulated with sulfates or other cleansing surfactants carry inherent risk of…
Lower PFAS concern for a rinse-off shampoo without brand transparency.
⚠Risky category by default
Redken
Frizz Dismiss Shampoo
Water-based shampoo with silicones and conditioning agents
1,4-dioxane (contaminant in ethoxylated surfactants)
Water-based shampoos may contain trace 1,4-dioxane as a byproduct of ethoxylation in…
Preservative sensitization (methylchloroisothiazolinone and related)
Mainstream shampoos including Redken products commonly use preservatives such as…
Silicone accumulation on hair
High silicone content in rinse-off shampoos can deposit on hair over repeated use…
Fragrance allergen undisclosure
The product contains fragrance listed as a single ingredient without breakdown of…
Lower concern for PFAS with no known water-repellent or nonstick treatment.
⚠Risky category by default
Redken
Acidic Bonding Concentrate Shampoo & Conditioner Set - 1 l / 33.8 fl oz
aqueous shampoo and conditioner formulations
1,4-dioxane (synthesis byproduct in ethoxylated ingredients)
Redken formulas typically contain ethoxylated surfactants or emulsifiers (e.g., ceteareth…
Fragrance allergens and undisclosed fragrance components
Redken Acidic Bonding contains fragrance (listed as 'parfum' in INCI), which can include…
Formaldehyde / VOCs
Some Redken formulas use DMDM hydantoin or imidazolidinyl urea, both…
Scalp irritation from alkaline buildup if rinsed inadequately
Although the Acidic Bonding formula is pH-buffered, incomplete rinsing can leave residual…
Lower PFAS concern for rinse-off products without brand transparency on PFAS.
⚠Risky category by default
Redken
Acidic Color Gloss Shampoo
aqueous shampoo formulation (surfactants, conditioning agents, pH buffers)
Fragrance allergens and undisclosed ingredients
Fragrance is listed as a single ingredient without component breakdown; individuals with…
1,4-dioxane (surfactant contaminant)
Shampoos using ethoxylated surfactants (common in rinse-off products) may contain trace…
Eye and scalp irritation from pH or surfactant concentration
User reviews and product feedback note occasional scalp dryness or tingling sensation in…
Lower concern for a typical rinse-off shampoo lacking full brand transparency.
⚠Risky category by default
Redken
Color Extend Magnetics Shampoo
aqueous shampoo base with silicones, polymers, surfactants
Fragrance allergens and undisclosed fragrance components
Shampoos list 'fragrance' as a catchall ingredient; Redken does not itemize fragrance…
Silicone and polymer buildup on hair
Repeated use of silicone-heavy formulas can accumulate on hair shafts, requiring periodic…
1,4-dioxane contamination from surfactant manufacturing
Surfactant-based rinse-off cosmetics may contain trace 1,4-dioxane (VOCCR Group 2B…
Lower concern for a rinse-off cosmetic with no known PFAS markers.
⚠Risky category by default
Redken
All Soft Conditioner
Water-based conditioner with standard emollients and conditioning agents
1,4-dioxane contamination
Water-based cosmetics formulated with ethoxylated ingredients (common in conditioning…
Fragrance allergens and undisclosed components
Redken All Soft contains fragrance (parfum) listed as a single ingredient; specific…
Formaldehyde / VOCs
Some mainstream conditioners use preservative systems that release low levels of…
Scalp and eye irritation from conditioning agents
Cationic conditioning polymers (quaternium compounds common in this category) can…
Low-Medium risk. Rinse-off conditioners don't typically need PFAS coatings.
⚠Risky category by default
Redken
Extreme Conditioner
water-based conditioning emulsion, typical hair conditioner formula
Fragrance allergens and sensitizers
Redken Extreme Conditioner lists 'fragrance' as an ingredient but does not disclose…
1,4-dioxane contamination (trace impurity)
Ethoxylated ingredients (common in conditioners as emulsifiers or thickeners) may contain…
Silicone buildup with prolonged use
Redken Extreme Conditioner likely contains silicones (common in this product line) that…
Low-Medium risk. Standard conditioner with no known PFAS features.
⚠Risky category by default
Redken
Acidic Grow Full System Densifying Conditioner
aqueous conditioning emulsion with polymers and silicones
Fragrance allergens and sensitizers
Redken Acidic Grow contains fragrance as listed ingredient; no specific allergen…
1,4-dioxane contamination (residual from synthesis)
Surfactants and emulsifiers used in conditioners can carry trace 1,4-dioxane as…
Low-Medium risk. Rinse-off formula with no known PFAS triggers.
⚠Risky category by default
Redken
Acidic Bonding Concentrate Bonding Conditioner
aqueous conditioning emulsion (surfactants, polymers, water-based)
Fragrance allergens and undisclosed fragrance components
Product contains fragrance (listed as 'Fragrance' on label, not broken down by specific…
1,4-dioxane (surfactant contaminant)
Water-based conditioning emulsions sometimes contain ethoxylated surfactants that may…
Silicone buildup or polymer film irritation
If this formula contains cyclopentasiloxane or linear silicones (common in conditioning…
Low-Medium risk. Rinse-off conditioner with no identified PFAS triggers.
⚠Risky category by default
Redken
Extreme Length Conditioner
aqueous conditioning emulsion (water, silicones, cationic polymers, fragrance)
Fragrance allergens and sensitizers
Redken formulas contain proprietary fragrance blends; undisclosed fragrance components…
Silicone buildup on hair
Prolonged use of silicone-heavy conditioners can cause cumulative coating that dulls hair…
Low-Medium risk. Standard rinse-off conditioner without known PFAS use.
⚠Risky category by default
Redken
Volume Injection Conditioner
water-based conditioning polymers, emollients, surfactants
Fragrance allergens and irritants
Redken formulations typically contain fragrance blends (not specified as essential oils…
Silicone buildup and scalp irritation
Silicone-based conditioners can accumulate on hair and scalp over weeks of use…
Low-Medium risk. Standard rinse-off product with no known PFAS drivers.
⚠Risky category by default
Redken
Conditioner Frizz Dismiss Redken
Aqueous conditioning emulsion (water, oils, silicones, polymers)
Fragrance allergens
Redken Frizz Dismiss contains added fragrance (listed generically on labels); common…
Silicone accumulation or scalp buildup
Repeated use of silicone-based conditioners can lead to gradual buildup on hair and scalp…
Contamination during storage or use
Water-based emulsions can support bacterial or mold growth if container is left open…
Low-Medium risk. Rinse-off conditioner with no identified PFAS signals.
⚠Risky category by default
Graded and flagged Poor and Bad, we’d swap these
Redken
Acidic Bonding Concentrate
aqueous hair treatment concentrate (polymers, conditioning agents)
Fragrance allergens (undisclosed individual components)
Redken Acidic Bonding Concentrate contains fragrance as a formulation ingredient, but…
Polymer film buildup and scalp occlusion over time
Bond-repair conditioners rely on film-forming polymers that can accumulate with repeated…
Low-Medium risk. Hair cosmetics don't typically require PFAS.
⚠Risky category by default
Every grade uses the same public rubric. How grades work →