Biolage HydraSource Shampoo Matrix
Lower PFAS concern; liquid cosmetics rarely require fluorinated treatments.
This water-based shampoo contains no known Teflon-family coating coatings or water-repellent treatments that would require PFAS. The brand makes no PFAS claims either way.
We flunk more products than we pass. This one earned its grade. How we grade
Material
aqueous shampoo formulation (water, surfactants, conditioning agents)
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.
1,4-dioxane (manufacturing contaminant)
Surfactants in shampoos are ethoxylated and may carry trace 1,4-dioxane as a byproduct. Biolage does not disclose whether final product testing or purification occurs. Dermal absorption through intact scalp skin is low; rinse-off use further reduces exposure.
Formaldehyde / VOCs
Some shampoo preservatives (e.g., imidazolidinyl urea) release formaldehyde in small amounts over time. Biolage's ingredient list is not fully disclosed in public sources; Matrix does not highlight preservative choice. Brief scalp contact and rinsing minimize risk compared to leave-on products.
Source: ATSDR ↗Fragrance allergens (undisclosed components)
Biolage HydraSource contains fragrance, and fragrance ingredients in cosmetics are commonly undisclosed due to trade secret protections. Scalp and hair contact may trigger sensitization in individuals with fragrance sensitivities; patch testing is recommended for sensitive skin.
Microbial contamination if stored improperly
Liquid shampoos are water-based and can support bacterial or fungal growth if exposed to moisture, warm temperatures, or left open. Proper closure and storage prevent this risk; use within manufacturer's shelf-life window.
What’s reassuring
Safe base material
Made from ceramic, mineral, or natural fiber with no PFAS risk.
Heavy metals
No published recalls or safety alerts for Biolage HydraSource involving lead, cadmium, or other heavy metals in pigments or opacifying agents. Industry-standard regulatory oversight of cosmetic colorants (FDA oversight in the US) applies.
Source: FDA ↗The full breakdown
What it's made of and why it matters
Biolage HydraSource is a water-based shampoo formulation containing anionic surfactants (cleaning agents), conditioning polymers, and humectants designed to retain moisture. The product contains no ceramic, enamel, or metal cookware components that would risk lead or cadmium leaching. As a rinse-off cosmetic applied briefly to hair and scalp before thorough water removal, dermal contact duration and absorption potential are minimal compared to leave-on products.
The brand's record and disclosure
Matrix (Biolage parent company) does not publicly disclose detailed ingredient safety protocols or third-party certifications for this product line. No major recalls or safety controversies are on record for Biolage HydraSource shampoos. The brand's silence on PFAS use reflects a broader industry norm for rinse-off cosmetics, which are not required to contain water-repellent fluorinated compounds.
How it compares in its category
Biolage HydraSource occupies the mid-market salon shampoo segment. It is comparable in formulation transparency and safety profile to peer brands (Redken, Pantene, SheaMoisture) that do not disclose advanced testing but carry similarly clean safety records. Unlike premium or specialty brands, it lacks third-party certifications (EWG, Leaping Bunny) that some consumers prioritize.
If you buy it
Use as directed: wet hair, apply, massage scalp for 1-2 minutes, rinse thoroughly with water. Store in a cool, dry place away from direct heat or sunlight to prevent ingredient degradation. Replace when empty or if product separates, discolors, or develops odor, which may signal bacterial growth or formulation breakdown. No special precautions are needed beyond standard hygiene (do not ingest, avoid eye contact).
What we don’t know
- Basis
- Model estimate, 72% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- Biolage 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
Limited concern
Mechanical irritation from crystal size and shape
Moderate concern
Low risk, salt scrub formulation carries minimal PFAS concern.
✓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.