Redken Acidic Bonding Concentrate Bonding Conditioner
Low-Medium risk. Rinse-off conditioner with no identified PFAS triggers.
This rinse-off hair treatment has no disclosed fluorinated polymers, water-repellent coatings, or nonstick applications that drive PFAS use. Redken makes no PFAS claims and lacks comprehensive PFAS policy, leaving full ingredient opacity unresolved.
We flunk more products than we pass. This one earned its grade. How we grade
Material
aqueous conditioning emulsion (surfactants, polymers, water-based)
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
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What Redken Acidic Bonding Conditioner is made of, ingredients and materials
Redken Acidic Bonding Concentrate Conditioner is a water-based emulsion designed to coat and condition hair after chemical treatments like coloring or perming. The formula relies on surfactants (cleansing agents), silicones or polymer conditioning agents, and humectants dissolved or suspended in water. Because it is rinsed out completely after use, residual exposure to any formula components is minimal compared to leave-on products like serums or styling creams.
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 undisclosed fragrance components
Product contains fragrance (listed as 'Fragrance' on label, not broken down by specific allergen molecules). Common fragrance allergens like limonene or linalool may be present but are not identified separately; individuals with sensitive scalps or fragrance sensitivities should patch test first.
1,4-dioxane (surfactant contaminant)
Water-based conditioning emulsions sometimes contain ethoxylated surfactants that may carry 1,4-dioxane as a manufacturing byproduct. No specific testing for this product is publicly available; regulatory limits in rinse-off products are higher than leave-on, reducing exposure concern.
Silicone buildup or polymer film irritation
If this formula contains cyclopentasiloxane or linear silicones (common in conditioning products), repeated use without clarifying shampoo may cause scalp or hair buildup; not a toxicity hazard but a sensory or irritation concern for some users over time.
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 evidence of formaldehyde-releasing preservatives (like DMDM hydantoin) in Redken formulations of this type. Standard preservative systems in rinse-off conditioners typically use less allergenic alternatives.
Source, ATSDR ↗Heavy metals
Redken Acidic Bonding Concentrate is a clear or lightly tinted colorless conditioner without added pigments. No historical data links this product to heavy metal contamination in talc or mineral pigments.
Source, FDA ↗How is this PFAS grade calculated?
The brand's record and disclosure
Redken, owned by L'Oreal, does not publicly disclose detailed ingredient sourcing or independent safety certifications (such as dermatologist testing or allergen transparency programs) on its website or packaging. The brand has no recorded recalls or safety warnings specific to this conditioner line. L'Oreal as a parent company complies with EU and North American cosmetic regulations but remains largely silent on proactive ingredient choices like PFAS or heavy metal screening in pigmented products.
How it compares in its category
This product sits in the premium hair-care segment and is comparable to other post-treatment conditioners (Olaplex No. 5, K18 Leave-in Molecular Repair Hair Mask) in formulation approach, water-based, surfactant-polymer systems. Unlike leave-on treatments, rinse-off conditioners present lower cumulative dermal or inhalation risk. Most competitors in this segment share similar disclosure gaps and lack third-party safety certifications, making Redken representative rather than unusual.
If you buy it
Apply to damp hair after shampooing, focusing on mid-lengths to ends; rinse thoroughly with cool water to remove all product residue. Use 2-3 times per week or as directed on packaging; over-conditioning can leave buildup. Store in a cool, dry place away from direct sunlight to prevent emulsion breakdown. If irritation or allergic reaction (itching, redness, swelling) occurs, discontinue immediately and rinse scalp thoroughly; consider patch testing on a small area first if you have sensitive skin or known fragrance allergies.
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.
What are the PFAS-free alternatives to Redken Acidic Bonding Concentrate Bonding Conditioner?
- Water, conditioning agents, organic plant extracts
- We found no PFAS statement from the brand
- Heavy metals
3 hazards checked on this product, all on its full breakdown.
- water-based conditioner, typical surfactants and botanical extracts
- We found no PFAS statement from the brand
- Heavy metals
3 hazards checked on this product, all on its full breakdown.
More conditioner 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.