Personal Care & Home Care Knowledge
Surfactants, rheology modifiers and chelants — thickening, suspension and cosmetic-grade selection.
Browse 506 Personal Care & Home Care products
Most useful here
The answers buyers and process engineers open first in this category.
- Emulsion Stability Troubleshooter — Separation, Creaming and GrainStart from what the batch is doing — separation, creaming, thin body, grain, viscosity loss or pH drift — and see the physically plausible causes, what to check on the bench, which direction to investigate, and what has to be validated before anything is concluded.lotion separated after a week · cream never thickened · emulsion creamed with a layer on top · cream went grainy on storage · viscosity dropped on storage
- 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.which preservative at ph 5.5 · preservative for an open jar cream · paraben free preservative structure · preservative failed challenge test · preservative choice for a high ph formula
- 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 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…
- 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.what documents come with a cosmetic raw material · coa without a lot number · difference between coa and specification · allergen and origin declaration for cosmetics · qualifying a second supplier for the same ingredient
- 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.product spoiled during stability · mould growth in a cream · preservative stopped working after pH change · preservative choice for a sulfate-free formula · cloudiness and odour in an aqueous formula
Solve a Problem
Start from the symptom you see on the line.
Choose & Compare
Grade, material and specification decisions side by side.
- 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.product spoiled during stability · mould growth in a cream · preservative stopped working after pH change · preservative choice for a sulfate-free formula · cloudiness and odour in an aqueous formula
- 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.which preservative at ph 5.5 · preservative for an open jar cream · paraben free preservative structure · preservative failed challenge test · preservative choice for a high ph 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.sulfate free surfactant replacement · shampoo will not thicken · which surfactant system for a body wash · glucoside system needs ph adjustment · isethionate will not dissolve
- 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.conditioning agent clouded the shampoo · which conditioning agent for rinse-off vs leave-in · conditioner base has no body · cationic polymer will not hydrate · protein specification for hair products
Learn
How the material and the process actually behave.
Calculate & Tools
Calculators and matrices that return a number.
- 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.which preservative at ph 5.5 · preservative for an open jar cream · paraben free preservative structure · preservative failed challenge test · preservative choice for a high ph formula
- Emulsion Stability Troubleshooter — Separation, Creaming and GrainStart from what the batch is doing — separation, creaming, thin body, grain, viscosity loss or pH drift — and see the physically plausible causes, what to check on the bench, which direction to investigate, and what has to be validated before anything is concluded.lotion separated after a week · cream never thickened · emulsion creamed with a layer on top · cream went grainy on storage · viscosity dropped on storage
Browse all Personal Care & Home Care knowledge
Related across Allzone
Technically relevant answers owned by another category.
Keep exploring Allzone
Take the next step — never a dead end
Continue with a related product or technical article — or send us the specification you need quoted today.
Browse supply categories
Ready to move?
We usually acknowledge enquiries within one business day.