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.
The legal drinking age in Ireland is 18. Under 18 can drink as long as the alcohol is purchased by a parent, but you might be asked to show proof that you are of age to drink.