Bigen EZ Color for Men Dark Brown M4 is a permanent hair color that provides excellent gray coverage and a natural-looking finish. The 2-part cream formula is easy to apply with the included comb applicator and it s designed to be mess-free with no drips. Infused with aloe and olive oil this hair color leaves your hair looking shiny and healthy. The kit includes everything you need for a simple salon-quality coloring experience at home. Suitable for both hair and beard this Bigen hair color delivers long-lasting vibrant results while being gentle on your hair with low peroxide and no ammonia.