Ingredient Guides4 min read
Linalool: A Fragrance Allergen on the April 2026 List
Linalool sits in most floral fragrances and dozens of essential oils, and it becomes a mandatory Canadian label disclosure on April 12, 2026.
July 9, 2026Read
Ingredient Guides
Plain guides to specific ingredients, their INCI, CAS, and any limits.
Ingredient Guides4 min read
Decyl Glucoside: A Sugar-Based Surfactant for Gentle Cleansers
Decyl glucoside is a plant-derived, high-pH surfactant that needs a co-surfactant partner to actually clean well in a mild wash-off product.
July 8, 2026Read
Ingredient Guides4 min read
Mica (CI 77019): Filing Sparkle Pigments and Their Coatings
Mica's INCI and CI number explained, and why coated pearlescent pigments must list mica plus a separate colorant like titanium dioxide.
July 3, 2026Read
Ingredient Guides4 min read
Coconut Oil (Cocos Nucifera) INCI and CAS for Soap Makers
How to list coconut oil correctly on an INCI declaration, its CAS number, and how saponification changes what you write.
June 24, 2026Read
Ingredient Guides4 min read
Polysorbate 20 vs Polysorbate 80: Which Solubilizer to Pick
Comparing Polysorbate 20 and 80 on HLB, best-fit oils, INCI, and CAS so you solubilize fragrance and carrier oils correctly.
June 20, 2026Read
Ingredient Guides4 min read
Benzoic Acid: Preservative Function and Hotlist Limits
What benzoic acid actually does in a formula, its CAS number, and how the Hotlist concentration cap shapes its practical use.
June 14, 2026Read
Ingredient Guides4 min read
Azelaic Acid: The Cosmetic and Drug Boundary in Canada
How azelaic acid's INCI name, CAS 123-99-9, and the claim you attach to it decide whether you're filing a CNF or a drug submission.
June 13, 2026Read
Ingredient Guides3 min read
Carmine (CI 75470): A Natural Red With Allergen Disclosure Needs
Carmine's INCI and CI 75470 number, its insect origin, and why this natural red carries real sensitization and labeling considerations.
June 12, 2026Read
Ingredient Guides4 min read
Caprylic/Capric Triglyceride: A Light Emollient Explained
This coconut-derived emollient keeps its slash in the INCI name for a reason. Here is what it is, why it feels dry-touch, and how it's used.
June 11, 2026Read
Ingredient Guides4 min read
Lactic Acid: An AHA That Is Also a Humectant
Lactic acid exfoliates as an AHA and pulls in moisture as a humectant. Here is how those two jobs and CAS 50-21-5 show up on a filing.
June 11, 2026Read
Ingredient Guides4 min read
Sodium Benzoate: A pH-Sensitive Preservative Profile
Sodium benzoate only works below a certain pH, which is why it's almost always paired with potassium sorbate. Here is the profile.
June 10, 2026Read
Ingredient Guides4 min read
Ultramarines (CI 77007): Where Blue Pigment Is Allowed
A practical look at ultramarines, their CI number, and the eye-area limits makers need to check before filing.
June 6, 2026Read
Ingredient Guides3 min read
Ethylhexylglycerin: A Preservative Booster and Skin Conditioner
Why ethylhexylglycerin isn't a standalone preservative, and how its real job is boosting phenoxyethanol and similar systems.
June 5, 2026Read
Ingredient Guides4 min read
Retinol in Canada: Cosmetic Ingredient or Regulated Active
How retinol's INCI name, Hotlist status, and your claim wording decide whether your product stays a cosmetic notification in Canada.
May 29, 2026Read
Ingredient Guides4 min read
Potassium Hydroxide in Liquid Soap: Filing the Saponified Result
How potassium hydroxide's role in liquid and paste soap gets declared on a notification once saponification is complete.
May 20, 2026Read
Ingredient Guides4 min read
Kojic Acid: Notifying a Brightening Active Within the Rules
Kojic acid's INCI, CAS, stability quirks, and the claim language that keeps a brightening product a cosmetic, not a drug.
May 17, 2026Read
Ingredient Guides4 min read
SLES vs SLS: Which Surfactant Belongs in Your Formula
A side-by-side look at Sodium Laureth Sulfate and Sodium Lauryl Sulfate on mildness, foam, INCI, CAS, and dioxane concerns.
May 16, 2026Read
Ingredient Guides4 min read
Propylene Glycol: Humectant, Solvent, and Penetration Helper
Propylene glycol's INCI name, CAS 57-55-6, and how to pick its primary function when multiple roles apply on your notification.
May 15, 2026Read
Ingredient Guides4 min read
Tea Tree Oil (Melaleuca Alternifolia): Notifying an Essential Oil
Tea tree oil's INCI and CAS, terpinen-4-ol variability, Hotlist cautions, and how to file it without drifting into an antimicrobial claim.
May 13, 2026Read
Ingredient Guides4 min read
Sodium Cocoyl Glycinate: An Amino Acid Surfactant Profile
How this gentle amino acid surfactant behaves in a formula, its typical pH range, and where it earns its place over harsher cleansers.
May 7, 2026Read
Ingredient Guides4 min read
Tocopherol (Vitamin E) as an Antioxidant: INCI and CAS Basics
Tocopherol and Tocopheryl Acetate look alike on a label but do different jobs. Here is how to tell them apart on a filing.
May 5, 2026Read
Ingredient Guides3 min read
Isopropyl Myristate: A Fast-Spreading Ester Emollient
Isopropyl myristate's INCI and CAS 110-27-0, why it spreads so fast in formulas, and what its comedogenic reputation means for your label.
April 29, 2026Read
Ingredient Guides4 min read
Ascorbic Acid (Vitamin C): The Stability Problem Filers Face
L-ascorbic acid's INCI name, CAS number, and why its oxidation sensitivity pushes many formulators toward derivative forms instead.
April 28, 2026Read
Ingredient Guides4 min read
Citric Acid as a pH Adjuster: INCI, CAS, and Use Levels
A practical profile of citric acid's dual role as chelator and pH adjuster, its CAS number, and how to represent trace amounts on a filing.
April 27, 2026Read