Moroccanoil · Conditioner
Moroccanoil All In One Leave-In Conditioner
Lower concern, leave-in conditioner has no typical PFAS trigger, but brand remains silent on chemistry.
Moroccanoil's All In One Leave-In Conditioner is a water-and-oil-based cosmetic with no known waterproofing, non-stick, or stain-resistant coating that would require PFAS. The brand makes no PFAS claim or disclosure. No public lab data or government action exists for this product.
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Argan oil blend, water-based liquid leave-in conditioner
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
Moroccanoil All In One is a water-based leave-in conditioner built around argan oil, a plant-derived conditioning agent with no known intrinsic toxicity at consumer exposure levels. The formulation is a liquid emulsion designed to stay on hair without rinsing, so ingredients remain on the scalp and hair surface rather than being systematically absorbed. No heavy metals, formaldehyde releasers, or restricted colorants are on public record for this product. Leave-in conditioners pose lower chemical risk than rinse-off products because contact time is controlled by the user and dermal penetration is minimal.
The brand's record and disclosure
Moroccanoil does not publish detailed ingredient sourcing or third-party safety certifications on their website; the brand remains silent on PFAS testing despite the PFAS score of 75/100 for this product category. The company is owned by Unilever and operates under mainstream cosmetic compliance (US FDA, EU regulations), but has not pursued transparency certifications like EWG Verified or Leaping Bunny. No product-specific recalls or regulatory actions are on record for this leave-in conditioner.
How it compares in its category
Leave-in conditioners as a class carry lower inherent hazard than styling products (sprays, gels) because they are rinse-free liquids without volatile solvents or propellants. Moroccanoil's argan oil base is mainstream; competitors like SheaMoisture, Kinky-Curly, and Aunt Jackie's use similar plant oils with comparable safety profiles. The main category difference is that Moroccanoil is a premium brand with less transparency than some niche competitors, but no worse safety profile than typical drugstore alternatives.
If you buy it
Apply to damp hair, focusing on mid-lengths and ends; avoid scalp saturation to prevent buildup. Store at room temperature away from direct heat or sunlight; argan oil can oxidize if exposed to sustained high temperatures. Replace every 12-18 months or when the product separates, thickens unevenly, or develops an off smell, which signals oxidation or microbial growth. If irritation or allergic reaction occurs (rare), discontinue and patch-test on a small area before reapplying.
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.”
Fragrance allergens
Moroccanoil All In One contains fragrance compounds typical of the brand's signature scent profile. Individuals with fragrance sensitivity or contact dermatitis history should patch-test on inner wrist before scalp application; no specific allergen declaration is published.
1,4-dioxane (cosmetic solvent contaminant)
No public testing or reports of 1,4-dioxane in this product. Water-based leave-in conditioners are lower-risk for this contaminant than foaming cleansers, but independent third-party testing data is not available for this specific brand.
Heavy metals in pigments or mineral additives
Leave-in conditioners typically do not contain pigments or mineral colorants, and Moroccanoil does not market this product with color claims. No cadmium, lead, or arsenic contamination has been reported or alleged.
Argan oil rancidity or oxidation during storage
Plant oils oxidize over time, particularly if stored in warm or light-exposed conditions. Rancid oil can irritate the scalp or cause mild inflammation but is not toxic; discard if the product develops a musty or off odor.
Scalp buildup and microbiome disruption with prolonged use
Oil-based leave-in conditioners can accumulate on the scalp if applied too frequently or in excess, potentially trapping bacteria or yeast and causing itching or flaking. This is a use practice issue, not a formulation toxicity issue, and is reversible with reduced application or clarifying wash.
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.
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.