This article explores the shelf life of shampoo and how it can be affected by various factors. It examines expiration dates, storage factors, and provides tips for making shampoo last longer.
Tag: Ultraviolet Light
How to Tell a Real Diamond from a Fake: A Comprehensive Guide
This comprehensive guide provides an overview of the different methods for determining if a diamond is real or fake. Learn how to examine the diamond’s clarity and color, test it with a thermal diamond tester, compare its weight to similar stones, use a refractometer to measure its refraction index, look for signs of wear on the facets, and use ultraviolet light to observe its fluorescence.