How to use loreal casting creme gloss? L'Oreal Casting Creme Gloss is a semi-permanent hair color that is designed to provide a glossy and radiant finish. Here are the steps for using L'Oreal Casting Creme Gloss: 1. Prepare: Make sure you have all the necessary tools and supplies, including the hair color, developer, gloves, mixing bowl, and brush. 2. Read the instructions: Before you start, read the instructions on the package carefully and make sure you understand the recommended mixing ratio and processing time. 3. Protect your skin and clothing: Put on the gloves and wrap a towel around your shoulders to protect your skin and clothing from staining. 4. Mix the color: Pour the required amount of developer into the mixing bowl and add the hair color. Mix the two components thoroughly until you have a smooth and creamy consistency. 5. ...