"You can't go back – it turned them as dark as a Sharpie pen.
Charlotte's eyebrows when she had the product on. Photo / Caters News Agency
"I have to fill them in properly now and get them tinted professionally. I don't want to risk it happening again."
Charlotte claims the product stuck to her eyebrows and dyed them black instead of a light brown.
"I had waited for them to grow properly so that they were in a nice shape before I dyed them but it took them both away," Charlotte said.
"Maybelline has a similar one, I thought it must be alright if it was like that one. This one was cheaper, I thought this one was going to be the same.
"I thought it was real when I bought it but now I think it must have been a fake product.
The fake product. Photo / Caters News Agency
"My family were quite shocked and asked me why I used it.
"My friends just laughed at me and my boyfriend watched me cry as I pulled it off."
Etude House confirmed the product was discontinued and, having examined the packaging, believe it's a fake.
Charlotte's brows after peeling the tint off. Photo / Caters News Agency
"The particular product has been discontinued more than a year ago and we are currently not selling the product," an Etude House spokesman.
