Lemon juice is not a proven treatment for old scars and can worsen discoloration.
Claim:
Massaging lemon juice on a scar for about 10 minutes two to three times per week lightens the skin and helps remove old scars.
TOTAL BS
Topic
Lemon Juice
2 claims checked
Topical lemon juice commonly irritates skin and can worsen pigmentation.
Claim:
Topical application of lemon juice lightens human skin tone.
MOSTLY BS