9. How much is the cosmetology?
美容要花多少钱？
还能这样说：
How much money will the cosmetology cost?
How much should I pay for the cosmetology?
应用解析：
cosmetology 美容业，美容术；
cosmetologist 美容专家，美容师
10. Men are recognizing the power of a groomed brow to frame the face.
男士们开始意识到整洁的眉毛对于提升面部轮廓的重要性。
还能这样说：
Men are increasingly realizing the importance of a groomed brow to frame the face.
Men begin to realize that a groomed brow is important to decorate the face.
应用解析：
well-groomed 被小心照顾的；
look neat and well groomed 整洁的仪容仪表
11. What kind of make-up cosmetics do you use?
你用哪种美容产品？
还能这样说：
What sort of skin-care products do you use?
What type of skin-care products do you wear?
12. The cucumber juice is of effectiveness of cosmetic skin care and clean-skin.
黄瓜汁具有美容、护肤、洁肤的效果。
还能这样说：
The cucumber juice has a great effect on the cosmetic skin care and cleansing the skin.
The effect of cucumber juice is to protect and cleanse the skin.
应用解析：
be of no effect 无效的，无用的；
have an effect on 对……有效果；
with effect 有效地