The most common and most likely answer to this crossword clue is the 8 letter word PHILTRES
I've seen this crossword clue in The Guardian
P
H
I
L
T
R
E
S
More clues leading to the result PHILTRES
Buddy explains!
The straight part
We know that "love potions" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case love potions = philtres.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does PHILTRES mean?
PHILTRES noun- A kind of potion, charm, or drug; especially love potion intended to make the drinker fall in love with the giver.