Free template · Testing

Stability test plan for cosmetic products

A test plan sets which samples are tested under which conditions at which time points, and how you measure stability. The Regulation prescribes no conditions. The storage conditions suggested here are common practice and must be justified for your product, packaging and markets.

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Stability test plan for cosmetic products

VYVA
Product:
Formula version:
Sample batches:
Packaging (material, supplier):
Start / owner:

Storage conditions and time points

Common practice, not a legal requirement. Set and justify conditions and duration for product, packaging and target markets. Tick the planned time points.

ConditionT02 wk1 mo2 mo3 mo6 mo12 mo
Room temperature, approx. 20–25 °C
Elevated, e.g. 40 °C
Cold, e.g. 4–8 °C
Temperature cycling
Light (daylight or light cabinet)
Inert reference container

Test parameters

ParameterMethodAcceptance criterionValue T0
Appearance
Colour
Odour
pH
Viscosity
Phase separation / centrifuge
Microbiology

Packaging

  • Tested in the market container and in an inert reference container
  • Weight loss, deformation, discolouration and seal integrity observed
  • A change of material or supplier triggers a re-assessment

Assessment, date of minimum durability or period after opening, justification

vyva.world/werkzeuge

Terms of use: the tools and templates are free, non-binding working aids. Statements on legislation refer to Regulation (EC) No 1223/2009 as of October 2026 and are simplified; they are not legal or regulatory advice. Results are drafts and replace neither review by qualified people nor the safety assessment under Article 10. Responsibility for the product, its labelling and the product information file stays with the responsible person. We are liable for damage arising from use only in cases of intent and gross negligence; liability for injury to life, body or health and under product liability law remains unaffected.

Formula, INCI list and documents from one source?

In VYVA, batch weights, cost and the INCI list come from the approved formula version and stay current with every change.

Frequently asked questions