As a distinguished figure in the realm of clean beauty and skincare, I can provide some insights on the safety of lash serums during pregnancy. It is important to exercise caution and consult with a healthcare professional, as they can provide personalized advice based on your specific circumstances.

Many lash serums contain active ingredients such as prostaglandin analogues or prostaglandin derivatives, which are known to promote lash growth. However, these ingredients may have the potential to affect hormone levels and could potentially pose a risk during pregnancy.

While there is limited scientific research specifically addressing the safety of lash serums during pregnancy, it is generally recommended to err on the side of caution and avoid using products containing prostaglandin analogues or derivatives during this time. This is because any substances that can affect hormone levels have the potential to impact fetal development.

Instead, consider focusing on natural methods to enhance the appearance of your lashes during pregnancy. This may include using nourishing oils or gentle, non-irritating mascaras that are free from potentially harmful ingredients.

Remember, it is always best to consult with your healthcare professional before using any new skincare or beauty products during pregnancy to ensure the safety of both you and your baby.