Our dark brown hair salons are carefully formulated with glycerin and polydimethylsiloxane. Designed to reduce frizz and forks and reduce scalp irritation when used. How to use is extremely convenient: 1. Test before staining: Please perform skin sensitivity test before use. If symptoms such as redness, swelling, itching, burning, etc. are shown, please stop using it immediately and wash the residual product. 2. Make sure your hair is dry before use. 3. Wear protective equipment while operating and apply cream on areas that may touch the skin (such as the face, neck, behind the ears and arms). 4. Apply hair dye evenly to ensure that each hair is covered with hair dye, wait 15-30 minutes to allow the hair dye to penetrate fully into the hair. 5. Rinse the hair with clean water and blow dry. It can improve the shine of the hair to keep the color for a longer time and maintain a natural humidity balance when dyeing. Net content: 50g Product name: Dark brown hair salon Keywords: Hair Care Gross weight: 70g Ingredients: glycerin, polydimethylsiloxane Packaging size: 5.1*5.1*4.4cm Product size: 4.8*4.2cm Box meter: 56*36*21.5cm Weight of one box: 17.55kg Shelf life: 3 years Storage method: Please store it in a cool and covered area