I use expired petroleum jelly for my eyelashes, is it still effective even though it is expired?

Latisse is meant to be applied around the eyelashes and should not be associated with the side effect that you are describing.  Please consult with your physician before starting Latisse to see if there is any contraindication for you.

Since latisse has not yet been tested on breast feeding women, I wouldn't risk it. Wait until you've stopped breast feeding your child before resuming use. It's always better to err on the side of caution. Best, Dr. Nazarian

If you stop using Latisse, the new lashes will not be stimulated it so eventually they will return to your baseline.

You are not recommended to start using Latisse® while you have blepharitis. This is because blepharitis restricts eyelash growth, limiting the potential effects of Latisse®. The product may also further irritate your eyelids. If you’re currently using Restasis, you should be on track to hea...

Latisse should continue to work as long as you use it regularly. It sounds as if some of your lashes have gotten on the same growth cycle. Perhaps, discontinue use and see if the lashes return. Then, try latisse again. Best, Dr. Nazarian

Latisse should be used once every 24 hours. It should be applied to clean dry skin for best results.