I don't think there should be anything to worry about with your eyelash extensions and breast feeding. However, you might want to call your Ob/Gyn just to be sure. Best, Dr. Nazarian
You should never use a medication that has expired (this includes topical medicines like Latisse) even if the bottle hasn't been opened. There is an expiration date on bottles for a reason. Medicines and other chemical ins them degrade over time and they can lose their potency or...
Although I don't think it will hurt, I've also never heard of caster oil helping. There are any number of things that could be causing your hair loss. You might want to schedule an appointment with a dermatologist to discuss. Latisse can help your existing lashes look longer and fuller, but it...