When using black dyes, the longer the coloring stay time, the darker the color, and the better the effect! It is recommended to stay for more than 40 minutes Note: there are instructions on the back of the bottle！Different, this is a non-toxic, non irritating and helpful dye for pet hair. While adding color to it, it can also supplement hair nutrition, add fragrance and deodorization, and make the hair more supple and shiny. After use, the hair is like wearing a layer of armor, which can prevent UV damage to the skin. Toby pet coloring paste has been on the market for 9 years and is deeply loved by pet stores and pet lovers! Because it is a plant extract, fruit flavor semi permanent pet dye! The color is bright and pure. After use, the color can be maintained for about half a year. With the number of baths, the color will slowly become lighter and lighter. It can make your pet super popular on birthday parties, Christmas, Halloween, family gatherings and other occasions, activate the atmosphere, make your pet more dazzling, bright and beautiful, and make your baby very popular! At the same time, it can also provide your hands-on ability and bring more color to your life! Suitable for home pet beauty DIY, also suitable for commercial use in pet stores! The dyeing effect may vary depending on the type of hair and dog breed (different pets may have color difference after use). It can be used for cat, horse and other varieties. It can be safely used for dogs older than 6 months. It is not recommended on dark hair types.