Choose & Compare — Personal Care & Home Care
Grade, material and specification decisions side by side.
7 answers
- Cosmetic Grade vs Technical Grade: What Actually Differs and How to Verify It"Grade" is a commercial description, not a legal classification. The same chemical sold as cosmetic grade and as technical grade may share an assay figure and differ entirely in impurity profile, heavy metal limits, microbiological control, odour and…
- Choosing a Rheology Modifier: Carbomer, Cellulose, Gums or ElectrolyteFive questions decide it: is the product a surfactant system or an emulsion; must it be crystal clear; how much electrolyte does it contain; what pH will it sit at; and what sensory behaviour do you want on skin or hair. Carbomers give clarity and a crisp,…
- Cosmetic Preservative Selection — pH Window, Water Phase and PackagingHow cosmetic preservative systems are chosen: which weak acids still work at your pH, why packaging changes the requirement, what a chelant does and does not do, and what challenge testing has to confirm.
- Preservative System Selector — pH, Product Type and Claim ConstraintInteractive selector for cosmetic preservation: enter product type, water-phase pH, packaging and claim constraint to see which preservative systems are still inside their published pH window and what each one requires from the rest of the formula.
- Surfactant System Selection — Sulfate-Free, Foam and Viscosity RouteHow a rinse-off cleansing system is structured: which classes are sulfates by chemistry, what a sulfate-free specification actually removes, where viscosity comes from in each structure, and what each class constrains in pH, format and documentation.
- Hair Conditioning Ingredient Selection — Substantivity and DepositionHow conditioning agents are chosen: which are cationic and therefore substantive, which survive an anionic cleansing base, which build a rinse-off conditioner body, and which are additives rather than conditioning agents at all.
- Cosmetic Ingredient Documentation — What to Request and VerifyWhich documents to request with a cosmetic raw material, what each one actually proves, what it does not prove, and the checks that separate a lot-specific record from a generic sheet.
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