Cool Ocean Color Hair References. Web ocean hair has been making waves across instagram. Except this gradient blue wig, sky blue color wig is also popular.

Web quick answer you can protect your dyed hair from saltwater by applying hair oil or conditioner before swimming, immediately washing your hair after swimming on the beach, or using a swim cap (boring, but useful!). Web while swimming in the sea can definitely make your hair look effortlessly beautiful (they're called beach waves for a reason), is salt water actually good for your hair? And the best part is there are several shades of blue you can choose from.