Reviews for Zoloft to treat Obsessive Compulsive Disorder. Worked very well for intrusive thoughts OCD for 5 months and then when I missed dosages and tried starting back on it again it stopped working. 3 users found this comment helpful.
Quick Answer. Hair dyes can trigger minor to severe allergic reactions in a small percentage of users. They can also cause dry, brittle hair and hair breakage with extended and frequent use. According to the American Cancer Society, the evidence linking personal hair dye use and cancer is limited and conflicting. As of 2014, personal use of semi-permanent and permanent hair dyes is not considered a known risk factor for cancer.
Hair color is a matter of chemistry! The first safe commercial hair color was created in 1909 by French chemist Eugene Schuller, using the chemical paraphenylenediamine. Hair coloring is very popular today, with over 75% of women coloring their hair and a growing percentage of men following suit. How does hair color work? It's the result of a series of chemical reactions between the molecules in hair, pigments, as well as peroxide and ammonia if present. What is Hair?