Leaf shine is a type of product used to clean and enhance the appearance of plant leaves, giving them a glossy and polished look. It is typically applied to the foliage of indoor plants, although it can also be used on outdoor plants.

The primary purpose of leaf shine is to remove dust, dirt, and water spots that can accumulate on plant leaves over time. By cleaning the leaves and providing a protective coating, leaf shine helps to improve the overall appearance of the plant, making it look healthier and more vibrant. 

When using leaf shine, it's essential to follow the instructions provided by the manufacturer carefully. Overuse or improper application of leaf shine can sometimes lead to buildup on the leaves, which may interfere with the plant's ability to absorb light and perform photosynthesis. As with any plant care product, it's a good idea to test leaf shine on a small area of the plant first to ensure compatibility and avoid any adverse effects.