Hair care is a skill that anyone can become expert at. Before choosing any regimen or product, examine your hair. Are the threads thinner than sewing thread, the same size, or thicker? Is it naturally curly or straight? Has it been chemically treated or is it all natural? Each hair type will require slightly different products and care. Read labels to help you choose the right products. Most women dye or highlight at some point in their lives. Some even do it regularly. Those who use hair dye should be aware of a substance used in some dyes. PPD or paraphenylenediamine is something that has been linked to allergic reactions in some people. It is believed that the allergy may worsen over time. Mild symptoms may include burning and red skin. Today, most hair dyes have low or no PPD. Ask your colorist to use low-PPD dyes if they don't already. Make sure you avoid getting the color cream on your skin and scalp. Another option would be natural dyes such as body art quality henna, indigo or other time-tested natural substances. The disadvantage of the natural professional...