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The entire point of a household cleaner is to eliminate germs, not spread them. That basic promise sits at the heart of a new lawsuit against The Clorox Co., filed after the company recalled 6.3 million bottles of Mistolin and Lestoil cleaners over bacterial contamination risks. Two Puerto Rican buyers now argue in California federal court that Clorox should have caught the danger far sooner — and that its recall falls well short of actually making affected consumers whole.

The Complaint Takes Shape

In a proposed class action filed Thursday, Carolina Rivera Toro and Stephanie Barbosa said they purchased and used the scented cleaners in question, only to later learn about the Sept. 3 recall instituted by the U.S. Consumer Product Safety Commission over contamination by Pseudomonas aeruginosa — a bacteria capable of causing serious infections, particularly in vulnerable individuals.

A Product Rendered Worthless by Its Own Risk

"A household cleaner that may contain an infectious pathogen is unfit for its ordinary purpose," Toro and Barbosa argued in the complaint. "It has no lawful market value, cannot safely be used as directed, and must be discarded. Reasonable consumers do not pay for such a product at any price." It's a striking framing — transforming a bottle meant to sanitize a home into something the plaintiffs say carries no legitimate value whatsoever.

An Uncomfortable Case of Déjà Vu

According to the complaint, this wasn't Clorox's first encounter with this exact bacteria. Back in October 2022, the company instituted a massive 37-million-bottle recall of Pine-Sol over the same contamination concern. That earlier recall spiraled into litigation that ultimately produced a $5.56 million settlement with buyers, along with a separate $14.15 million civil penalty paid to the CPSC for failing to promptly report the contamination to the government.

A Warning That Went Unheeded

Despite that costly prior experience — which the plaintiffs say put Clorox squarely on notice that its scented cleaning products were vulnerable to this specific bacteria — the company allegedly did nothing to test for or guard against renewed contamination. Instead, according to the complaint, Clorox spent 15 months selling the now-recalled Mistolin and Lestoil products without ever warning consumers of the risk.

A Duty the Plaintiffs Say Was Ignored

Toro and Barbosa argue that given Clorox's knowledge from the previous recall, combined with its own internal testing, the company had a clear duty to disclose the contamination to buyers — an obligation they say carried extra weight given Clorox's earlier promises to the government to improve its operations following the Pine-Sol debacle.

Not a Fluke, But a Pattern

"The problem was not a single-lot anomaly," the plaintiffs wrote. "The recall covers every scented Mistolin and Lestoil product manufactured over a fifteen-month period, from April 1, 2025, through June 17, 2026. A contamination risk of that duration and scope reflects a systemic failure of formulation, manufacturing controls, and quality testing, not an isolated event." In other words, this wasn't one bad batch slipping through — it was, according to the complaint, an extended breakdown across the company's entire production process.

Questions About the Timeline

The timing itself raises additional suspicion, according to Toro and Barbosa. They note that while the recall covers products manufactured up through June 17, 2026, the recall itself wasn't announced until September — meaning Clorox continued allowing the products to be sold in the interim, a gap the plaintiffs argue suggests the company knew about the contamination well before going public.

A Recall the Plaintiffs Call Insufficient

Beyond the allegations of delayed disclosure, Toro and Barbosa argue the recall program itself fails to adequately compensate affected buyers. Under its terms, consumers can request a refund by submitting a photograph of the bottle's UPC code — but given the recall spans a 17-month manufacturing window, the plaintiffs point out that many contaminated bottles were likely already used and discarded long before the recall was even announced.

A Refund That Doesn't Cover the Real Cost

Compounding the issue, the refund amount is set entirely by Clorox on its own terms, and the complaint notes it offers nothing toward remediation or cleanup costs — expenses that could easily exceed what consumers originally paid for the product itself.

The Hidden Cost of Following Instructions

The complaint paints a vivid picture of the practical fallout facing affected households. "Consumers who followed the label's instruction to use the products 'on multiple surfaces' sprayed and poured a cleaner that may contain Pseudomonas aeruginosa across the floors, countertops, sinks, tubs, and toilets of their homes, and onto the mops, sponges, cloths, and buckets they used to apply it," Toro and Barbosa wrote. They added that consumers now facing this reality "must now disinfect those surfaces with a product they can trust, discard and replace the mops, sponges, and cloths that were saturated with the contaminated products, and purchase replacement cleaning products to do so" — a domino effect of costs stemming from a single contaminated bottle.

Placing the Burden on Consumers

According to the complaint, the recall program effectively shifts both burden and risk onto consumers, relying entirely on them discovering the recall themselves. The plaintiffs note that the recall was only announced through the CPSC's website and a press release, with no direct notification sent to affected customers — leaving many potentially unaware their cleaning products were ever recalled at all.

What the Lawsuit Seeks to Recover

The plaintiffs further argue that the recall includes no statutory damages, no disgorgement of profits, and no other meaningful compensation for the money consumers spent or the remediation costs they now face.

The Scope of the Proposed Class

Toro and Barbosa aim to represent both a nationwide class and a Puerto Rico subclass consisting of everyone who purchased the affected bottles. Their complaint brings claims under the California Unfair Competition Law, the False Advertising Law, and the Consumer Legal Remedies Act, along with allegations of fraudulent concealment, breach of implied warranty and unjust enrichment.

Where the Case Stands Now

Representatives for the parties could not immediately be reached for comment Friday.

Toro and Barbosa are represented by Michael Connett, Leslie L. Pescia and Rachel N. Minder of Siri & Glimstad LLP, along with Kevin Laukaitis of Laukaitis Law LLC. Counsel information for Clorox was not immediately available Friday.

For a company that already paid millions to resolve nearly identical allegations just a few years earlier, this lawsuit raises an uncomfortable question that likely won't fade quickly: if the warning signs were already this visible once, how did the same danger manage to slip through a second time?