MIELLE Deep Hydration Shampoo
Lower risk, typical rinse-off cosmetic with no known high-risk ingredients.
This rinse-off liquid cosmetic has no disclosed PFAS-associated treatments or protective coatings. Rinse-off shampoos carry lower PFAS risk than leave-on products or water-resistant cosmetics.
We flunk more products than we pass. This one earned its grade. How we grade
Material
Aqueous shampoo base, plant-derived actives, standard emulsifiers
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
What’s concerning
No PFAS disclosure
The company has not publicly discussed PFAS in this product.
Category baseline
cosmetics is a category where PFAS exposure is more common.
Fragrance allergens and undisclosed fragrance components
Mielle lists 'fragrance' as an ingredient without specifying individual fragrance compounds. Some users with sensitive scalps or fragrance allergies may experience contact dermatitis or irritation; the product does not disclose the full fragrance bill of materials.
Preservative sensitivity or contact irritation
Standard preservatives in shampoo formulations (e.g., parabens, phenoxyethanol) are present in many rinse-off cosmetics. For users with known preservative sensitivities, this product may trigger scalp irritation or allergic contact dermatitis, though incidents are not widely documented for this specific brand.
1,4-dioxane contamination from ethoxylated ingredients
Ethoxylated surfactants commonly used in rinse-off shampoos (including plant-derived brands) may contain trace 1,4-dioxane as a byproduct of manufacturing. Mielle does not disclose testing for this contaminant; the risk is low due to immediate rinsing but cannot be ruled out without third-party analysis.
What’s reassuring
Safe base material
Made from ceramic, mineral, or natural fiber with no PFAS risk.
Heavy metals
No public recall or testing data indicates heavy metal contamination (lead, cadmium, arsenic) in Mielle products. Botanical-based cosmetics can accumulate metals from soil if sourcing is uncontrolled, but no specific concern has been established for this brand or product line.
Source: FDA ↗Microplastic or plastic microbeads
Mielle Deep Hydration Shampoo does not contain visible exfoliating beads or microplastics; it is a rinse-off liquid. No evidence of microplastic inclusions or synthetic polymer fragments is on record.
The full breakdown
What it's made of and why it matters
Mielle Deep Hydration Shampoo is a water-based formulation centered on plant extracts (honey, babassu oil, mint) and standard cosmetic emulsifiers and surfactants. This type of aqueous rinse-off product means any chemical residue on skin or hair is minimal because the product is washed away immediately. Plant-derived actives like those in this product carry lower synthetic contamination risk than fully synthetic alternatives, though the presence of preservatives and fragrance compounds remains standard across the category.
The brand's record and disclosure
Mielle Organics markets itself as a plant-based, sulfate-free brand targeting textured and coily hair. The brand does not publish detailed third-party safety testing or heavy metals certifications, nor does it provide PFAS-specific disclosure. No major recalls or contamination incidents are on public record for this product line. Brand transparency on manufacturing and ingredient sourcing is limited compared to some premium competitors, but no established safety violations have emerged.
How it compares in its category
Among sulfate-free shampoos, Mielle positions itself in the mid-premium segment; similar plant-based formulations (SheaMoisture, Carol's Daughter, As I Am) follow the same broad safety profile. Rinse-off shampoos as a category carry lower chemical retention risk than leave-on conditioners or styling products. Mielle's plant-ingredient focus aligns with consumer preference for 'natural' formulations, though botanical actives do not inherently guarantee fewer hazards than synthetic alternatives.
If you buy it
Store in a cool, dry place away from direct sunlight to preserve botanical actives and prevent emulsion separation. Use as directed (apply, lather, rinse thoroughly) with no special precautions needed; rinse-off status means residual exposure is negligible. Discontinue if scalp irritation, itching, or allergic response occurs. Replace when separated, discolored, or past the printed expiration date, typically 12-24 months after opening.
What we don’t know
- Basis
- Model estimate, 78% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- Mielle Organics has made none
Formulations change between production runs, so check the current label. How we grade.
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Fragrance allergens or undisclosed fragrance components
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Mechanical irritation from crystal size and shape
Moderate concern
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✓Verified PFAS-free by a third party
Puracy
Public Goods Shampoo Refill
aqueous surfactant-based liquid shampoo
1,4-dioxane (surfactant byproduct)
Limited concern
Fragrance allergens (undisclosed components)
Limited concern
Bacterial or mold growth in refill container
Limited concern
Lower concern for a MADE SAFE certified shampoo avoiding fluorinated ingredients.
✓Verified PFAS-free by a third party
Puracy
Natural Shampoo
aqueous surfactants, plant-derived cleansers
1,4-dioxane (contaminant in ethoxylated surfactants)
Limited concern
Fragrance allergens and sensitizers
Limited concern
Formaldehyde / VOCs
Limited concern
Lower concern for a liquid shampoo with minimal PFAS risk in this category.
⚠Risky category by default
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.