Thank you all for your replies, I understand that nicotine is a potent toxin and I do have safety equipment Lab coat, eye goggles, gloves. Only reason I would see need for a face shield is splatter, but I will be mixing in a graduated cylinder not using syringes but a lab style pipette with pump for accuracy. After looking at additional information and the LD50 for nicotine I will be purchasing the 60mg/ml.
But heres a question on the LD50, it says the LD50 for rats and rabbits is 50mg/kg via dermal contact, which means the LD50 for me at 122 kilos would be about 3660mg or 36.6grams of pure nicotine, not a dilute 100mg/ml solution. Now I understand lots of bad stuff happens before you reach the LD50 and it would leave me with a 50/50 chance of dying. However, wouldn't 100 mg at my body weight just make me kinda dizzy and upset to my stomach if I were to get at least 1ml on my skin?