Try  to not get lashes wet for at least 24 hours
Use oil-free eye makeup remover
You should be able to comb through your lashes with a clean mascara wand
Avoid sleeping on your stomach to avoid pressure on the extensions
Avoid running water directly on your lashes
Do not rub, pick or pull your eyes
Only use water based mascara (optional). If applying mascara, do so from middle to tip avoiding the root area.
Do not use a mechanical eyelash curler