Tips to avoid prickly heat or sweat rash:
Avoid using waterproof sunscreens or ones which contain alcohol, Methylisothiazolinone, mineral oils or petrochemicals.
Use a cream or lotion rather than a sunscreen which you spray on as the spray on types usually contain alcohol.
Take a antihistamine tablet daily – start a week before your holiday and take daily during your holiday.
Avoid using perfume and highly fragranced products
Wear loose fitting cotton clothing
Shower regularly in cool water