YSK how to clean your genitals properly (male or female) and that it is important in order to prevent a variety of issues, smells, and imbalances of bacteria or ph, but that doesn't necessarily mean scrub everything with soap, and for the love of Pete, keep that soap and water out of the vagina!
from /r/YouShouldKnow
YSK如何正確清潔你的生殖器（男性或女性），爲了防止各種問題、氣味和細菌或ph值的不平衡，這很重要，但這並不一定意味着用肥皂擦洗所有東西，看在皮特的份上，讓肥皂和水不要進入陰道！"。