Grandma's Secret · Fabric Stain Guard Sprays
Grandma's Secret Laundry Spray
Unlikely to contain PFAS, though the brand discloses nothing.
This laundry spray lacks water-resistant or stain-repellent features typical of PFAS-heavy products. No PFAS claims or tests exist, and standard detergent sprays rarely use PFAS unless marketed for stain protection.
We flunk more products than we pass. This one earned its grade. How we grade
Material
liquid detergent spray base
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
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What Grandma's Secret Laundry Spray is made of, ingredients and materials
Grandma's Secret Laundry Spray is a liquid detergent concentrate designed for pre-treatment and spot cleaning. Liquid detergent sprays typically contain surfactants (cleaning agents), water, and preservatives to prevent microbial growth in the bottle. Unlike powders or tablets, liquids avoid inert fillers and are less prone to dust inhalation, but their preservative systems and fragrance additives warrant review for skin and respiratory sensitization.
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.
Surfactant-induced skin sensitization
Anionic and nonionic surfactants in laundry sprays can cause contact dermatitis or irritation in users with sensitive skin or prolonged hand contact during application. Grandma's Secret does not publish surfactant types or concentrations.
Fragrance allergens
Laundry sprays often contain undisclosed fragrance blends; common fragrance components (limonene, geraniol, linalool) are respiratory and contact sensitizers for susceptible individuals. No allergen transparency is published for this product.
Preservative contamination or microbial growth if mishandled
Liquid formulations depend on preservatives (likely parabens or phenoxyethanol) to prevent bacterial and mold growth in the bottle. If the cap is left loose or the product is stored in warm conditions, preservative efficacy can degrade, risking microbial contamination over months of storage.
Respiratory irritation from spray inhalation
Aerosolized surfactants and fragrance compounds from spray application can irritate the airways, particularly in poorly ventilated spaces or for users with asthma or chemical sensitivity. Prolonged inhalation exposure is unlikely in typical use but cumulative or occupational exposure is a consideration.
PFAS
Some laundry pretreatment sprays market stain resistance or water-resistance claims that may rely on fluorochemical treatments; Grandma's Secret does not clarify whether such claims use PFAS or alternatives, leaving this pathway unresolved.
Source, ATSDR ↗What’s reassuring
Base material not linked to PFAS
The main material recorded for this product is not one associated with PFAS.
The full breakdown
The brand's record and disclosure
Grandma's Secret has not publicly disclosed full ingredient lists, certifications, or PFAS testing results, which is atypical for mainstream consumer brands. No major recalls or safety controversies are on record for this product line. The brand's silence on PFAS, a legitimate concern for some fabric treatments, leaves uncertainty about whether water-resistant claims rely on fluorochemical coatings that could migrate into formulation.
How it compares in its category
Laundry pretreatment sprays are among the lowest-risk household cleaning products; they do not require the heat stability or coating durability demands of cookware or the dermal contact intensity of cosmetics. Competitors like Shout and OxiClean publish ingredient transparency and third-party testing. Grandma's Secret lacks comparable disclosure, placing it at the opacity end of the market, though not at higher inherent chemical risk.
If you buy it
Always test on a hidden fabric corner first, as surfactant blends vary and can cause dye bleeding on delicates. Apply spray directly to stain, let sit 5-15 minutes before washing in water hot enough for the fabric to tolerate. Store upright in a cool, dry place away from children and pets; do not mix with chlorine bleach or other cleaners. If skin or eye irritation occurs, rinse thoroughly and discontinue use.
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
- Grandma's Secret has made none
Formulations change between production runs, so check the current label. How we grade.
More fabric stain guard sprays 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.