1 Month Accelerated Stability and Compatibility

1 Month Accelerated Stability and Compatibility: Samples are stored at 40°C for 4 weeks with visual evaluation of color, odor, and appearance, along with pH and weight loss measurements at 0, 2 weeks, and 1 month. A 2-week topline report is included.

Price per sample:

$150

Additional information

Turnaround Time

4 weeks

Sample Size

4 containers

Quantity

1 Month Accelerated Stability and Compatibility

The 1 Month Accelerated Stability and Compatibility study evaluates how finished cosmetic and personal care products perform under controlled elevated temperature and packaging contact conditions. Pentyl Labs conducts this study to identify early formulation instability, packaging interaction, and performance risks before market launch.

During the study, analysts store samples at 40°C for four weeks. Because elevated temperature accelerates physical and chemical change, this condition provides early insight into how products may behave during long-term storage. As a result, development teams gain actionable information without waiting for extended real-time studies.

At scheduled intervals — initial (0), 2 weeks, and 1 month — analysts actively evaluate each sample. They assess color, odor, and overall appearance while monitoring for separation, cloudiness, crystallization, or phase shifts. In addition, analysts measure pH and weight loss to track chemical stability and moisture migration throughout the study.

Compatibility evaluation focuses on product interaction with primary packaging. Analysts inspect containers for leakage, swelling, deformation, discoloration, or product absorption. These observations help identify packaging risks early and support informed packaging decisions.

After two weeks, Pentyl Labs issues a topline summary to provide early performance feedback. This interim report allows teams to review emerging trends and adjust formulations or packaging promptly. At study completion, a final report documents all observations and measurements collected during the test period.

Manufacturers commonly use 1 Month Accelerated Stability and Compatibility testing during early formulation screening, ingredient substitutions, packaging changes, and reformulation projects. The results support internal quality assessment and help determine whether extended stability programs are warranted.

Overall, this study provides a structured and cost-effective approach to reducing development risk while strengthening product readiness.

Program Summary

  • 40°C controlled storage

  • 3 defined evaluation points

  • Visual + physical assessment

  • Packaging compatibility review

  • Topline + final report

Description

1 Month Accelerated Stability and Compatibility

The 1 Month Accelerated Stability and Compatibility study evaluates how finished cosmetic and personal care products perform under controlled elevated temperature and packaging contact conditions. Pentyl Labs conducts this study to identify early formulation instability, packaging interaction, and performance risks before market launch.

During the study, analysts store samples at 40°C for four weeks. Because elevated temperature accelerates physical and chemical change, this condition provides early insight into how products may behave during long-term storage. As a result, development teams gain actionable information without waiting for extended real-time studies.

At scheduled intervals — initial (0), 2 weeks, and 1 month — analysts actively evaluate each sample. They assess color, odor, and overall appearance while monitoring for separation, cloudiness, crystallization, or phase shifts. In addition, analysts measure pH and weight loss to track chemical stability and moisture migration throughout the study.

Compatibility evaluation focuses on product interaction with primary packaging. Analysts inspect containers for leakage, swelling, deformation, discoloration, or product absorption. These observations help identify packaging risks early and support informed packaging decisions.

After two weeks, Pentyl Labs issues a topline summary to provide early performance feedback. This interim report allows teams to review emerging trends and adjust formulations or packaging promptly. At study completion, a final report documents all observations and measurements collected during the test period.

Manufacturers commonly use 1 Month Accelerated Stability and Compatibility testing during early formulation screening, ingredient substitutions, packaging changes, and reformulation projects. The results support internal quality assessment and help determine whether extended stability programs are warranted.

Overall, this study provides a structured and cost-effective approach to reducing development risk while strengthening product readiness.

Program Summary