Keratin treatments are best for thick, curly, frizzy or coarse hair. Because it actually repairs hair, keratin treatments are also good for damaged or chemically treated hair (colored, permed, relaxed, highlighted or bleached). Keratin treatments are not intended for fine, straight or thin hair.
According to this same report, alcohol abuse and addiction have a social cost of roughly $185 billion each year, while tobacco addiction has a social cost of roughly $193 billion a year. When combined, the costs for these three categories of use equal about $559 billion per year.
Addiction is defined as a chronic, relapsing brain disease that is characterized by compulsive drug seeking and use, despite harmful consequences. Abuse of and addiction to alcohol, nicotine, and illicit and prescription drugs cost Americans more than $700 billion a year in increased health care costs, crime, and lost productivity.