Cosmetics Adverse Reaction Reporting: 3 Types of Joint Liability for Printers — Misprinted Instructions, Small Cards, or QR Traceability Codes

Last August, a printer doing color cosmetics contract manufacturing in Zhejiang was publicly notified by the National Medical Products Administration (NMPA). The reason was not exceeding ingredient limits — but a QR traceability code printed backwards on a new lipstick package, which directed consumers scanning the code to the previous batch's product information. When consumers experienced lip allergic reactions after using this lipstick batch and scanned the code to report adverse reactions, the NMPA traceability system displayed "previously marketed product from last batch." Consumers followed the traceability code guidance for skin testing, resulting in use of the wrong product.

The NMPA's final ruling: the printer failed to fulfill the duty of "ensuring authenticity of product information" under Article 52 of the Cosmetic Supervision and Administration Regulation, causing obstruction to adverse reaction monitoring, and was fined 150,000 RMB. This is not product liability — the printer misprinted the traceability code, not the ingredients. But joint liability could not be avoided.

Five years into the implementation of the Cosmetic Supervision and Administration Regulation, "cosmetics adverse reaction reporting" has shifted from being "hospitals and NMPA's matter" to "a responsibility printers also bear." The 3 types of joint liability printers are most prone to.

Joint Liability 1: Misprinted Traceability Codes — QR Code and Batch Do Not Correspond

Article 52, paragraph 2 of the Cosmetic Supervision and Administration Regulation requires: marketed cosmetics shall have traceability capability. On packaging, this means QR traceability codes — scanning the code must correspond to "this batch's" product information and manufacturer information.

The 3 types of traceability code errors printers are most prone to:

• Batch misprint of traceability codes — the client provided a batch of traceability code data, but the printer misaligned the encoding columns when importing CSV into layout software, resulting in all 50,000 lipsticks' traceability codes pointing to a different product
• Variable-data code sprayed in wrong position — variable data printing was placed on UV spot coating area, scanner light was reflected and could not scan, packaging design logic was fine but function failed
• Traceability code database not updated — printer printed codes given by client, but client did not update batch information in NMPA traceability system, consumers scanning see "Product not registered"

A skincare printer in Shanghai received an 80,000-piece face mask order before last year's Double 11. The client provided Excel data; when the printer's operator generated QR codes using a Python script, one column name was misspelled — all 80,000 face masks' traceability codes corresponded to "previous-year's filing number." On Double 11, consumers scanning codes found product traceability information was from 2024, and immediately complained to NMPA. All 80,000 face masks were taken off shelves; printer bore 600,000 RMB joint compensation.

Verification actions for printers accepting traceability code orders: scan-test 5% of client-provided code data with scanner, confirm database queryability before bulk printing. Variable-data code position to avoid UV / hot stamping / embossing areas. Before shipment, scan-test 100 pieces to confirm scanned product information matches actual product.

Joint Liability 2: Instructions Missing Key Warning Statements — Printer Also Liable

Article 47 of the Cosmetic Supervision and Administration Regulation requires: cosmetic labels and instructions shall be truthful, complete, and accurate. The so-called "complete" is not just complete text — but includes 6 mandatory warning statements:

• "Children shall use under adult supervision"
• "This product is for external use; avoid contact with eyes"
• "Discontinue use if discomfort occurs"
• "Please keep out of reach of children"
• "Special cosmetics approval number" (5 categories: hair dye, perm, spot-lightening/whitening, anti-hair loss)
• "Adverse reaction reporting channel" (e.g., "National Medical Products Administration Adverse Reaction Monitoring System")

Many printer operators think "warning statements — print whatever client gives." In fact, Article 13 of the Measures for the Administration of Cosmetic Labels clearly states: printers have a review obligation for the legality of label content. This means — if the client missed warning statements and the printer did not catch it and printed anyway, the printer also bears responsibility after adverse reactions occur.

A haircare printer in Guangzhou received a hair dye order last year. The client's layout design did not include the warning "hair dye may cause allergic reactions"; the printer operator also did not ask, and printed 120,000 pieces directly per the design. A consumer experienced severe allergic reaction after dyeing hair; when reporting the adverse reaction via traceability code, the product was found to have no warning statement advising skin testing. Final NMPA ruling: client bore primary responsibility (design missed it), printer bore secondary responsibility (failed to review and catch it), fined 80,000 and 50,000 RMB respectively.

When accepting cosmetic orders, printers should establish a "Cosmetic Warning Statement Verification Checklist," cross-reference each order's layout against the checklist before plate opening, stop and ask the client to supplement if any item is missing.

Joint Liability 3: Ingredient List / Allergen Declaration Misprints — The Most Hidden Joint Liability

Article 48 of the Cosmetic Supervision and Administration Regulation requires: cosmetic labels shall list all ingredients. EU EC 1223/2009 also requires labeling of 26 known allergens. There are 3 typical types of ingredient list misprints:

• Incorrect ingredient order — Article 11 of the Measures for the Administration of Cosmetic Labels requires ingredients to be listed in descending order of content; some printer operators, upon receiving client-provided PDF, convert to outlines directly without noticing ingredient order was altered by the design
• Allergens omitted — EU regulation requires 26 allergens (e.g., Methylisothiazolinone, Parfum, etc.) above 0.001% to be labeled; printer operators don't recognize allergen names and print directly per client design
• Content value misprints — certain ingredients labeled "<1%" or "≥1%"; printer typed "<" as "≤" or printed full-width character "＜", semantically correct but visually abnormal in position

The printer's joint liability on ingredient lists is "an obligation to assist in review of the legality of printed content." Sounds light, but once regulators find ingredient misprints, the printer will be required to "provide evidence of client authorization for printing." If the printer cannot produce the original client-signed authorized design, they bear liability for "failure to fulfill review obligation."

3 Verification Checklists for Printers Accepting Cosmetic Orders

First checkpoint: pre-plate opening review of 3 types of information

1. Can the traceability code scan out corresponding product information? Client provides scan verification screenshots when supplying code data
2. Are the 6 types of warning statements complete on instructions / packaging? Cross-reference against Annex 1 of the Measures for the Administration of Cosmetic Labels
3. Does the ingredient list comply with Article 11 of the Measures for the Administration of Cosmetic Labels? Particularly allergen labels

Second checkpoint: in-process sampling of 3 types of processes

1. Variable-data code position avoid UV / hot stamping / embossing areas
2. Ingredient list font no smaller than 1.8mm (GB/T 37625 standard)
3. Instruction leaflet fold direction and insertion position match product box type — if instructions are inserted reversed the client won't notice, but consumers will tear it when opening

Third checkpoint: pre-shipment verification of 3 types of documents

1. Client-signed original design (electronic signature or paper) — printer retains for at least 5 years
2. Traceability code scan test records — at least 1% actual scan and screenshots
3. Batch correspondence table — printer's production batch number and client's marketed batch number correspond one-to-one

Further Reading

• 3 Categories of Cosmetic Packaging Regulations Implemented
• 4 Categories of Cosmetic Label Identification Standards
• 4 Categories of Prohibited Words in Cosmetic Packaging Advertising Law
• 3 Categories of Regulatory Requirements for Cosmetic Filing Number Printing