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Has your sunscreen gone bad?

Posted by beautifulwithbrains | November 3, 2009 .

sunscreen gone bad

Sunscreen is essential to protect skin from the harmful sun rays that can cause cancer and premature aging. But just like any other beauty product, sunscreen can go bad too. And once it does, you need to discard it immediately as it becomes ineffective and may even cause irritations! Luckily, there are a few signs that warn you when this happens:

Check the expiration date: the first thing to do, especially if you haven’t used your sunscreen in a while, is to check the expiration date. Usually sunscreens have a shelf life of two or three years but if not stored properly (never leave it in your car under the boiling sun for hours for example) they can go bad before their time. So you shouldn’t rely solely on the expiration date to determine if your sunscreen has gone bad but look for other signs, like the ones mentioned below, as well.

Change in texture, color or smell: if the consistency of your sunscreen has changed and has become too thin or thick to spread properly and easily, it is probably gone bag. A change in color or a weird smell are also sign of sunscreen gone sour.

Separation into two layers: when the active ingredients separate from the rest of the formula, your sunscreen is divided into two layers. Even if you shake it, it is highly unlikely that the sunscreen will still retain its effectiveness so the best thing to do is to throw it away and buy another bottle.

Grittiness: if a lotion feels gritty, it means that the active ingredient has crystallized out into sharp crystals, becoming completely ineffective.

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