A 40-year-old woman was assaulted by two teenage girls as she walked with friends, in Ham Road, Worthing.
Police have just released details of the incident which took place on Saturday, April 30.
The victim was with a 34-year-old man and a 23-year-old woman when they were approached by the girls just before midnight.
The teenagers were brandishing a bottle of vodka and shouting obscenities at the group.
An argument took place before one of the girls poured a pot of boiling Pot Noodle over the head of the 40-year-old woman and punched her in the face, causing her to fall backwards and briefly lose consciousness.
Her 34-year-old friend intervened and was punched in the face by the other teenager.
The victim was taken to Worthing Hospital, where she was treated for a burn to her scalp.
The man who was punched in the face did not require hospital treatment.
PC Ian Johnson from Worthing’s response investigation team said: “This was a nasty attack on a group of adults making their way home after a night out.
“I would appeal to anyone who witnessed this incident or have information regarding the suspects to please get in touch.”
The suspect who poured the Pot Noodle over the victim’s head is described as white, 5ft tall, aged 17 to 18 years old and of skinny build.
She was wearing a white jumper and black leggings and spoke with a local accent.
The second suspect is described as white, 5ft tall, aged 17 to 18 years old, also of skinny build and had brown hair tied up with a a clip.
She had brown eyes, spoke with a local accent and was wearing a blue top, black leggings and black boots.
Anyone with information is asked to call Sussex Police on 0845 6070999 quoting serial 1831 of 30/4 or the independent charity Crimestoppers anonymously on 0800 555111.