If you see a skincare trick on TikTok, doctors warn you might want to think twice. Dr Marisa Garshick shared one example with HuffPost - people putting toothpaste on acne blemishes.
She says, "The idea of putting toothpaste on acne as a spot treatment has been around for a long time, based on the antibacterial properties related to an ingredient previously used in toothpastes called triclosan."
The ingredient is no longer even found in toothpaste.
Putting raw potato on your skin to treat acne
Dr Melanie Palm told the publication that putting raw potato on your skin is also a bad idea.
"Some justify this [by saying] potato can contain small amounts of salicylic acid, but this raw potato application stunt to severe acne is just silly and ineffective," says Dr Melanie.
Dr Muneeb Shah tells InStyle, "When it comes to skin, drinking liquid chlorophyll has very little, if any, data to support its use."
The moral of the story here is that it's best to ask actual doctors instead of just relying on viral hacks.