Skin examination showed an 8 mm × 10 mm irregularly shaped two-toned brown papule with ill-defined ... and hypertrophic scar (which may be pigmented as in acne scars after prolonged minocycline ...

Botox injections work by blocking a neurotransmitter that signals muscles to contract, relaxing the facial muscles that cause frown lines and other facial wrinkles. Scientifically speaking, that ...