Thaylia Donna Quinn v. Proctor & Gamble Co.; Wal-Mart Stores, Inc.; Target Corporation; and Does 1–100, inclusive

CourtDistrict Court, S.D. California
DecidedJanuary 5, 2026
Docket3:24-cv-00856
StatusUnknown

This text of Thaylia Donna Quinn v. Proctor & Gamble Co.; Wal-Mart Stores, Inc.; Target Corporation; and Does 1–100, inclusive (Thaylia Donna Quinn v. Proctor & Gamble Co.; Wal-Mart Stores, Inc.; Target Corporation; and Does 1–100, inclusive) is published on Counsel Stack Legal Research, covering District Court, S.D. California primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook
Thaylia Donna Quinn v. Proctor & Gamble Co.; Wal-Mart Stores, Inc.; Target Corporation; and Does 1–100, inclusive, (S.D. Cal. 2026).

Opinion

1 2 3 4 5 6 7 8 UNITED STATES DISTRICT COURT 9 SOUTHERN DISTRICT OF CALIFORNIA 10 11 THAYLIA DONNA QUINN, Case No.: 24-CV-856 JLS (SBC) individually, 12 ORDER GRANTING IN PART AND Plaintiff, 13 DENYING IN PART DEFENDANTS’ v. MOTION TO DISMISS 14 PLAINTIFF’S FIRST AMENDED PROCTOR & GAMBLE CO.; WAL- 15 COMPLAINT MART STORES, INC.; TARGET

16 CORPORATION; and DOES 1–100, (ECF No. 23) inclusive, 17 Defendants. 18 19 Presently before the Court are Defendants Procter & Gamble Co.’s (“P&G”), Wal- 20 Mart Inc.’s, and Target Corporation’s (collectively, “Defendants”) Motion to Dismiss 21 Plaintiff’s First Amended Complaint (“Mot.,” ECF No. 23). Plaintiff Thaylia Donna 22 Quinn filed an Opposition to Defendants’ Motion to Dismiss (“Opp’n,” ECF No. 26), to 23 which Defendants filed a Reply in Support of the Motion (“Reply,” ECF No. 27). Having 24 carefully reviewed Plaintiff’s First Amended Complaint (“FAC,” ECF No. 21), the Parties’ 25 arguments, and the law, the Court GRANTS IN PART and DENIES IN PART 26 Defendants’ Motion. 27 / / / 28 / / / 1 BACKGROUND 2 Plaintiff is a resident of Murrieta, California, who “habitually purchased Herbal 3 Essence-branded [dry shampoo] from Walmart and Target in San Diego County throughout 4 the past decade.” FAC ¶ 20. Specifically, Plaintiff purchased the “Herbal Essences White 5 Grapefruit & Mint Dry Shampoo and Herbal Essences Cucumber & Green Tea Dry 6 Shampoo Personal Injury Products.” Id. The Herbal Essences Brand has been in stores 7 since 1971 and was acquired by P&G, “a global leader in the manufacturing, distributing, 8 and sale of personal care products,” in 2001. Id. ¶¶ 34, 38. After acquiring Herbal 9 Essences, “P&G expanded the Herbal Essences Brand into aerosol spray shampoos and 10 conditioners, including the Herbal Essences White Grapefruit & Mint Dry Shampoo and 11 Herbal Essences Cucumber & Green Tea Dry Shampoo Personal Injury Products,” the 12 health care products (“Products”) at the center of this dispute. Id. ¶ 38. 13 In reliance on P&G’s “size and sterling reputation, [which] instantly lends credibility 14 to [its] product line,” id. ¶ 35, Plaintiff “used P&G’s personal care products for decades,” 15 id. ¶ 6. Unbeknownst to Plaintiff, however, was the alleged presence of “significant and 16 unsafe levels of benzene—a known human carcinogen”—in the Products manufactured by 17 P&G. Id. ¶ 45. Particularly susceptible to benzene, says Plaintiff, are the underarms and 18 scalp, of which the “outermost layer of the skin is thinner and less protective.” Id. ¶ 3. 19 This outermost layer, or the stratum corneum, is critical to wellbeing as it “provides a 20 barrier that protects against unwanted chemicals passing through the skin, into the 21 bloodstream or lymphatic system and, ultimately, the internal organs.” Id. ¶ 2. One such 22 unwanted chemical is benzene. Id. ¶ 1. Plaintiff blames the benzene allegedly found in 23 the Products for the Chronic Lymphocytic Leukemia (“CLL”) and bone marrow cancer of 24 which she now suffers. Id. ¶ 6. 25 Generally speaking, several voices from the scientific community support the 26 contention that exposure to benzene—“a colorless or light-yellow liquid at room 27 temperature”—is “detrimental to human health.” Id. ¶¶ 25–26. Plaintiff cites a plethora 28 of governmental agencies and other entities that have reached this conclusion. For 1 example, the “World Health Organization and the International Agency for Research on 2 Cancer (“IARC”) have classified benzene as a Group 1 compound that is carcinogenic to 3 humans.” Id. ¶ 28. The United States Food and Drug Administration (“FDA”) has 4 similarly labeled benzene a “Class 1 solvent,” which means that it “should not be employed 5 in the manufacture of drug substances, excipients, and drug products because of [its] 6 unacceptable toxicity.” Id. ¶ 29. The National Institute for Occupational Safety and 7 Health, the American Petroleum Institute, and multiple academic studies also favor a 8 risk-averse approach, with one 2010 study commenting that “[t]here is probably no safe 9 level of exposure to benzene, and all exposures constitute some risk.” Id. ¶¶ 30–31. That 10 said, the jury is out as far as what level of benzene exposure is tolerable, as the FDA does 11 permit the use of Class 1 solvents “if their use is unavoidable in order to produce a drug 12 product with a significant therapeutic advance,” in which case the solvents should be 13 restricted to two parts per million (“ppm”). Id. ¶ 29. 14 The State of California has taken precautionary measures with respect to benzene 15 and other like chemicals beyond those taken at the federal level, two of which Plaintiff 16 highlights in her Amended Complaint. First, Plaintiff cites the California Safe Cosmetics 17 Act of 2005 (“CSCA”). See id. ¶¶ 43–55. Under the CSCA, manufacturers of cosmetic 18 products containing “a chemical identified as causing cancer or reproductive toxicity” must 19 make certain public disclosures. Cal. Health & Safety Code § 111792(a). Because it has 20 been “given an overall carcinogenicity evaluation of Group 1, Group 2A, or Group 2B by 21 the [IARC],” benzene fits the mold. Id. § 111791.5(b)(2). Plaintiff alleges that P&G has 22 violated the CSCA because it “has never reported the significant and unsafe levels of 23 benzene in any of [its] cosmetic products . . . .” FAC ¶ 51. Second, Plaintiff cites 24 Proposition 65 (“Prop 65”), which prohibits businesses from knowingly exposing 25 consumers to chemicals known to the state to cause cancer or reproductive toxicity without 26 adequate warnings. See id. ¶¶ 56–59 (citing CAL. HEALTH & SAFETY CODE § 25249.5, et 27 seq.). As she does above with respect to the CSCA, Plaintiff alleges that P&G has violated 28 Prop 65 by declining to provide the required warnings despite exposing the public to 1 benzene from the Products. Id. ¶ 58. 2 To support her claim that P&G’s Products contain some amount of benzene, Plaintiff 3 relies on two data points. First, Plaintiff alleges that “[s]everal of the [Products] were 4 independently tested and shown to contain dangerous levels of benzene, a known human 5 carcinogen.” Id. ¶ 7. Though Plaintiff does not crisply define this independent testing, she 6 later references the so-called Valisure Tests, which revealed that the Products “contain 7 some of the highest concentrations of benzene in the cosmetics industry.” Id. ¶ 52. Second, 8 Plaintiff pinpoints a P&G “recall of certain dry conditioner and shampoo products ‘from 9 Herbal Essences due to the presence of benzene,’” including the relevant Products. Id. 10 ¶ 41. According to Plaintiff, this recall, which took place on December 17, 2021, provides 11 evidence that “P&G was well aware that they were exposing individuals to benzene at 12 levels requiring a warning under [Prop 65].” Id. ¶ 59. Plaintiff alleges that these indicators, 13 coupled together with “the longstanding recommendations of the scientific community 14 extolling the dangerousness of benzene exposure,” demonstrate that “Defendants were 15 aware well in advance of placing the [Products] into the stream of commerce that they were 16 prone to unreasonably high rates of benzene presence,” but they “knowingly failed to take 17 any action to correct the defects in the [Products], including failing to warn or otherwise 18 educate the public,” “in order to advance their pecuniary gains.” Id. ¶¶ 61–66. 19 PROCEDURAL HISTORY 20 Plaintiff brought this action on November 9, 2023, in the Superior Court of the State 21 of California (“Compl.,” ECF No. 1 Ex. A). After service of the Complaint on April 18, 22 2024, Defendants timely removed the case to this Court on May 15, 2024. See ECF No. 1 23 at 4. Plaintiff asserted six causes of action, all under California state law: (1) negligence, 24 (2) failure to warn, (3) design defect, (4) manufacturing defect, (5) breach of implied 25 warranty of merchantability, and (6) fraudulent concealment. See Compl.

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Thaylia Donna Quinn v. Proctor & Gamble Co.; Wal-Mart Stores, Inc.; Target Corporation; and Does 1–100, inclusive, Counsel Stack Legal Research, https://law.counselstack.com/opinion/thaylia-donna-quinn-v-proctor-gamble-co-wal-mart-stores-inc-target-casd-2026.