Ouch ! Super glue works a treat for those cuts. Don't buy the medical grade stuff - the vet stuff is exactly the same and 25% of the price. You can also use the normal stuff as well. Some good info here for future reference. Been using it for about 5 years now and no dramas - yet !
www.realfirstaid.co.uk/superglue/No need to stay out of the water too long

helmets are useful protection for lots of undesirable actions. Get well soon smh !
A pic not far from you this morning on the first flight out