洗发剂 and 洗发水 difference Even though my dictionary regards them both as a shampoo, I wonder if 洗发剂 is more a conditioner for the hair and 洗发水 more a regular watery shampoo? 

Is there a difference? Thank you.
I have some more:

洗发水

洗发剂

洗发液

洗发露

洗发乳

洗头膏

洗发精

洗发液

洗发香波

They all mean shampoo. If there is any difference, that might be frequency or regional preferences. The last one is a loanword (香波)