: Sunscreen can lose effectiveness once opened. Experts recommend not buying more than a one-year supply to ensure the SPF remains active.
: Praised for its extreme value, often found in 16 oz bottles for around $8. buy sunscreen in bulk
: Bulk supplies should be kept in a cool, dry place. Avoid storing large bottles in hot cars or direct sunlight, as heat can break down the formula. : Sunscreen can lose effectiveness once opened