A woman claims that she got a second-degree burn on her forehead after using expired sunscreen.

In a TikTok video which has more than five million views, Morgan Vacala shared a picture of her chemically burned forehead, which she said happened after applying expired sunscreen to her face.

“I’ll never forget the look on the doctor’s face,” she said in the video as she showed off her red and blistered forehead.

“Don’t be stupid, check the expiration date on your sunscreen,” she captioned the TikTok.

In a separate video, Vacala clarified that the incident happened in May 2021 when she used expired Banana Boat sunscreen. It took about two to three weeks for the second-degree burn to fully heal.

“I grew up boating and always in the pool. Never had an issue burning like this,” she said. “Hats are my new best friends.”

The viral video shocked many TikTok users who were unaware that applying an expired sunscreen can actually harm the skin.

“IT EXPIRES??? I’m a grown adult and didn’t realise,” one person said.

A majority of sunscreens have a shelf life of between two to three years. The best way to check if a sunscreen has expired is by checking the expiration date on the bottle. If there is no date marked, the Food and Drug Administration recommends that a sunscreen product should be considered expired three years after purchase.

“Which is why I keep telling my mom to throw away the sunscreen from 1993 but no,” commented another TikToker.

By using an expired sunscreen, the skin becomes vulnerable to harsh UVA and UVB rays. UVA rays are responsible for causing the skin to age and potentially leading to some skin damage, while UVB rays can be more harmful and can cause direct damage to DNA in the skin cells, resulting in sunburn. According to the American Cancer Society, UVB rays are responsible for the majority of cases of skin cancer.

“This happened to me on vacation! My whole body was burnt!” shared one TikToker.

“Happened to me as a child. That’s why I always buy new sunscreen every year,” said someone else. “Ouch!”

According to the Banana Boat website, the brand’s sunscreen products remain effective for three years from the date of manufacture, which can be found either on the bottom of the product or toward the bottom of the label.

The Independent has contacted Banana Boat for comment.

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