Insights
Practical guides with sources and clear limits
These guides turn product labels, ingredients, materials, tests and regulations into understandable questions people can use when comparing information.
Editorial standards
What every insight page should provide
Detailed content is more trustworthy when visitors can see who contributed, when it was updated, what it covers and which sources support it.
Named responsibility
Articles identify an author or contributor within a demonstrable company role and link to a public profile.
Review and update information
Publication and update dates, review basis and correction routes help visitors judge currency and accountability.
Sources and boundaries
Primary official sources are preferred, and the article states where product labels or professional advice take priority.
Personal care and skincare
Understand formulas and labels
These guides separate ingredient context from finished-product claims.
How to read a cosmetic ingredient list
INCI order, ingredient functions and limits of what a list can tell you.
Read guide →Peptides in skincare
What the term covers and why formula, amount and evidence matter.
Read guide →Probiotics in personal care
How live organisms, lysates, ferments and marketing language differ.
Read guide →Supplements, home care and textiles
Use product information responsibly
Each guide links practical checks to the relevant Telmone brand and quality section.
Food supplement quality checklist
Identity, portions, warnings, claims and documentation.
Read guide →Bee-derived ingredients
Ingredient identity, allergies, product context and responsible use.
Read guide →Cleaning concentrates and safe use
Dosing, dilution, hazards, surfaces and label instructions.
Read guide →Probiotics in household cleaning
What probiotic cleaning can mean and what product evidence still matters.
Read guide →Textile labels and care
Fibre composition, dimensions, symbols and product longevity.
Read guide →Fragrance allergens and labels
How fragrance information appears across product categories.
Read guide →Choosing a guide
Use the article that matches your decision
Ingredient guides are useful when you want to understand terminology or labels. Quality checklists help when comparing product information. Safe-use guides help when dose, dilution, warnings, materials or care instructions affect the outcome.
Every article links back to the relevant expertise area, quality method and, where appropriate, the related Telmone brand.
Corrections and updates
Readers can report a factual concern through the Telmone.nl contact route. Material corrections should update the article date and, where necessary, related brand or quality pages.
Related information
How to evaluate the information
Use these pages for the next level of detail.