The "LR3" designation refers to two key modifications: an N-terminal extension of 13 amino acids and a glutamate-to-arginine substitution at position 3
S., Khatami, F., Muka, T., & Huicho, L
Additional distinguishing features include the presence of dense pigmentation, lack of maturation, nuclear pleomorphism, mitotic activity, apoptosis, lymphocytic infiltration, and a deep nested growth pattern, which are commonly evident in melanoma but not in intradermal nevi
You still need to diet and exercise
If you are starting tretinoin or want help building a routine, a licensed provider can match the strength and supporting products to your skin type
During this time, you might feel a slight pinch or discomfort at the injection site, but overall, the procedure is relatively painless