Hair Color You might be surprised by adding this to the cons list. Well, let me explain it. If you use an old henna powder or follow the instructions correctly, its color will fade away too soon. So it’s a disadvantage. must read Benefits of Using Henna for Hair Dark Black Henna Hair Dye If you use dark black henna hair dye, there must be paraphenylenediamine, known as PDD. This artificial oxidant has many disadvantages. Suppose it can cause infection and irritation to your scalp. It can damage your hair’s health. So make sure that no PDD is added to the henna before buying it. Kind of permanent Color Henna can only give your hair a darker shade or a dark color. After dying hair, you can not lighten the color. In case you don’t like the color, you don’t want to have another choice except owning it. Leave Color on Skin and Scalp. While applying henna hair dye because henna paste leaves its dark color on the skin instantly, while washing it off, always wear gloves because it will go dark color on your hands. Sometimes it leaves color on the scalp too. Difficult to Remove After applying henna, you need to let it dry on your hair for better results. It a very difficult to remove henna from your hair. So that’s why it’s a con for me. It may Dry out Hair. Using only henna removes the oil from your scalp. As a result, your hair might be dried out. Heat styling Heat styling will fade the color of your hair with henna hair dye. must read Temporary Tattoos vs. Permanent Tattoos – Which one is the Best? Difficult to Change Color Henna hair dye lasts longer than other chemical base hair dyes, so in case you don’t like the final hair color after dying your hair with henna. You cant change your hair color. All you can do is try other remedies, or you can wait to fade away the stain with time.