With Latisse, the thickness, darkness, and length of your lashes will improve. The treatment is recommended for a minimum of eight weeks. However, after 16 weeks, you’ll see the full effect of the Latisse solution – and so will others. After that, you can talk to Dr. Tumi about ongoing use.d urologics. SkinMedica® scientifically formulated, clinically proven skin care products are sold through approved physicians’ such as at the Barrie Plastic Surgery Clinic!