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.
The darker a person's natural hair color is, the more individual hair follicles they have on their scalp. Levels of melanin can vary over time causing a person's hair color to change, and it is possible to have hair follicles of more than one color on the same person. Particular hair colors are associated with ethnic groups. Gray or white hair is associated with age.