The wondercide lawsuit was dismissed in April 2020 after a settlement, and it cannot be brought back to court.
What the lawsuit claimed
The lawsuit accused Wondercide’s makers of advertising their Flea & Tick Control spray as “100 percent naturally derived,” “safe,” and free of synthetic chemicals. But the plaintiff said the product actually contained synthetic ingredients like sodium lauryl sulfate (SLS) and ethyl lactate—substances not always considered fully natural. The suit argued that these ingredients might cause irritation or allergic reactions and that consumers were misled into paying more or buying a product based on false marketing.
The complaint also claimed that the company’s labeling blurred or concealed the synthetic components, presenting them as natural or defining them in misleading ways. It suggested that many consumers were similarly misled by the product’s “natural” claims and suffered financial injury because they would not have paid as much had they known the truth.
The legal process and defense
When a case like this moves forward, both sides present their arguments. The plaintiff must show that:
- The product claims were false or misleading
- The consumer relied on those claims when buying
- As a result, the consumer was harmed financially
The defendant (Wondercide / Boon Technologies) would likely respond by saying:
- The labeling claims fell within allowable marketing language
- The synthetic ingredients were permissible or present in small, non-harmful amounts
- The claims of harm or overpayment were speculative or unprovable
Often, such disputes are resolved by negotiations rather than full trial, especially if both sides want to avoid cost, delay, or public scrutiny.
What happened: The outcome
In April 2020, the case was voluntarily dismissed with prejudice. “With prejudice” means the same legal claim cannot be brought again in court. The dismissal followed a settlement agreement between the parties, though the precise terms of that settlement were kept private.
Because the case is closed and barred from being refiled, there is no continuing legal challenge under those same claims.
What this means going forward
- Wondercide is no longer under this class action suit, and the claims made in that suit are considered resolved.
- The fact that this case existed has likely made brands more cautious about marketing terms like “all natural” or “safe” when any synthetic ingredients are present.
- Even though the lawsuit is over, some consumers remain concerned or skeptical about the product’s claims, especially in pet care where safety is a top concern.
- Without revealed settlement terms, it’s unclear whether Wondercide made changes to formulas or labeling as part of the agreement.

