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hi,
sunscreens are usually tested for 80 minutes of efficacy.
for example, if a company was making a SPF 15, the SPF would have to be at or above 15 at minute 1 and minute 81.
most sunscreens should be reapplied every two hours, and it's about 1oz (a shot) of sunscreen you should be using for your whole body each application.
have fun in the sun and be safe!
What else can I help you with?
How long does sunscreen last in water?
30 minutes
What should you would take when visiting the Sahara desert?
sunscreen hat long sleeved cotton shrits plenty of water
Should I bring sunscreen to the Barbados Resorts?
You should bring sunscreen to the Barbados Resorts. Barbados can be very sunny and if you are outside for a long time, you can get sunburned. To protect yourself wear sunscreen.
How long after applying Roundup can you water your plants?
You should wait at least 24 hours after applying Roundup before watering your plants.
How long should oil-based stain dry before applying water-based polyurethane?
Oil-based stain should dry for at least 24 hours before applying water-based polyurethane.
How much sunscreen should I pack for a week-long trip?
For a week-long trip, it is recommended to pack at least one 8-ounce bottle of sunscreen to ensure adequate protection from the sun.
How long should I wait for an oil-based stain to dry before applying water-based polyurethane?
You should wait at least 24 hours for an oil-based stain to dry before applying water-based polyurethane. This allows the stain to fully cure and ensures a smooth finish when applying the polyurethane.
How long do you have to wait to get in the pool after you put on sunscreen?
That depends almost entirely on the type of chemical in question. other factors include the size of the pool, and ration of water to chemical additive
How does a pea farmer keep from getting sunburned at the beach?
A pea farmer can prevent sunburn at the beach by applying a broad-spectrum sunscreen with a high SPF, wearing protective clothing such as a wide-brimmed hat, long sleeves, and sunglasses, seeking shade during peak sun hours, and staying hydrated to help the body regulate temperature. It is important to reapply sunscreen every 2 hours and after swimming or sweating to maintain its effectiveness. Additionally, choosing a sunscreen that is water-resistant can provide added protection for extended time spent in the water.
How long should you stay in the sun protected by suncream?
depends on how long the sunscreen your using says it can last (e.g some go for 4 hours)
How long does water resistant sunscreen usually last for in the water?
I would assume it would last for around 20-60 minutes in the water depending on the brand you would be using
How long should I wait to seed after applying weed killer?
You should typically wait about 2 to 4 weeks before seeding after applying weed killer.
