清洗护理。 采用定型产品。 睡觉时注意保护头发。 游泳时采取保护头发的措施。

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
You can absolutely wash your hair extensions, but it pays to take a little extra care.  Be sure to wash and condition from top to bottom rather than washing your hair upside down or piling it up on top of your head.  Put shampoo/conditioner in your hands and run hair through your palms.  Avoid washing hair upside down in the sink or scrunching on top of your head.  Choose hydrating or moisture-replenishing shampoos and conditioners. A leave-in spray conditioner is great, especially on ends. Be e