Most likely this is a result of using hair dye or bleach in your hair, as this permanently damages your hair and inhibits your hair's ability to retain moisture. I suggest using the Nano Queratina Protein Hair Mask, it creates a much softer, smoother feel to the hair starting from first use.
All states prohibit providing alcohol to persons under 21, although states may have limited exceptions relating to lawful employment, religious activities, or consent by a parent, guardian, or spouse.
At the age of 16 you can drink wine or beer with a meal in a public setting but this must be bought and supervised by an adult. After 18 you are considered responsible enough to choose to either drink sensibly or binge drink legally.