How to use L'Oreal Casting Creme Gloss is a popular question I am often asked . So here it goes. L'oreal hair coloring product provides a glossy and natural-looking hair color. This hair dye product is easy to use at home, making it a convenient option for anyone who wants to change their hair color. If you're looking to use L'Oreal Casting Creme Gloss, here's a step-by-step guide on how to use it: 1. Choose your shade: L'Oreal Casting Creme Gloss comes in a wide range of shades, so choose the one that best suits your desired hair color. 2. Do a patch test: Before you apply the hair dye, it's important to do a patch test to make sure you're not allergic to the product. Simply apply a small amount of the product behind your ear or on your inner elbow and leave it for 48 hours. If there is no reaction, you're good to go. 3. Prepare the product: Once you're ready to dye your hair, mix the developer and the colorant in a non-metallic bowl. Use the...