You may wait to apply the sunscreen till you are outdoors.
You may be too stingy in its application.
You might leave out some spots by mistake.
You don't bother to re-apply it after applying once.
You might not spread it smoothly enough.
You may skip its application on a cloudy day.
You may neglect checking the expiration date.
You might apply it over makeup sometimes.
You may not store it in cool conditions as it should be.
You might not check the different SPF levels that might suit you.
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