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