Fragrance Allergens4 min read
Which Allergens Show Up on a Shampoo Label
A worked shampoo example showing how the rinse-off allergen threshold drops several fragrance allergens off the label compared to leave-on products.
June 23, 2026Read
Tagged shampoo
Product Categories4 min read
Surfactants and Function Codes for a Shampoo Notification
How a plain cleansing shampoo's surfactant blend breaks down into INCI components for a Canadian Cosmetic Notification Form filing.
May 27, 2026Read
Product Categories4 min read
Why Anti-Dandruff Shampoo Cannot Use a Cosmetic Notification
Zinc pyrithione and a dandruff-treatment claim quietly move a shampoo out of cosmetic territory and into drug rules, and a CNF alone will not cover it.
March 16, 2026Read