Lipstick Study

The Lipstick Study involves testing the quality and performance of lipstick products according to specified standards.

Procedure:

This study adheres to the requirements outlined in the standard for lipstick, which includes the following tests:

1. Softening Point: Ensuring a minimum softening point of 55°C.
2. Microbiological Examination: Limiting the presence of microorganisms to not more than 100 per gram.
3. Rancidity (Peroxide Number): Ensuring a maximum peroxide number of 10.
4. Breaking Load Value: Verifying a minimum breaking load value.
5. Particle Size of Undispersed Pigments: Limiting the particle size to a maximum of 40 microns.
6. Pay Off Test: Ensuring the lipstick has good pay off.
7. Arsenic Content: Limiting the arsenic content to a maximum specified level.
8. Heavy Metals Content: Limiting the heavy metals content, specifically lead, to a maximum specified level.

Claims:

• Firm texture with a pleasant feel on the lips
• Attractive appearance
• Free from sweating, bloom, and rancidity
• Compliance with specified standards for lipstick quality

Turn Around Time:6 weeks.