3-4 times depending how you take care of the extensions and follow aftercare

Yes, I tips are “dangling” from your scalp which gives them a lot of flexibility to wear your hair up or down

Yes, you can treat your extensions as of it was your natural hair, just NO bleach 

We recommend washing your hair/extensions every 3-4 days with sulfate free shampoo & rinse with cold water•Brush 2-3 times per day. Start from the bottom and work your way up* Use hair oil daily to keep your extensions moisturized . Apply oil from your ear down* Always braid your hair or put into a low ponytail before bed to avoid tangling * Use heat protector before using any hot tool to minimize heat damage