Fragrances and Skincare
暂无描述。系统推荐的高质量记忆内容，适合每天坚持背诵学习。
卡片预览 (12 张)
What are essential oils
concentrated extracts of the volatile and non-water soluble aroma compounds from plants
What are essential oils used is?
perfumes cosmetics cleaning products flavourings
What are essential oils made of
terpenes
How are terpenes formed
joining isoprene
What is the systematic name for isoprene?
2-methylbuta-1,3-diene
What can UV radiation result in
molecules gaining enough energy to break bonds -free radicals form in the air -sunburn, early aging of skin
Why is wearing sun cream good for skin?
contains TITANIUM OXIDE to reflect/block UV
What are free radicals?
highly reactive atoms or molecules due to unreactive e
What is initiation
free radicals displayed as products
What is propagation
free radicals displayed as products and reactants
What is termination
free radicals on reactants
What are free radical scavengers?
they react with free radicals to form stable molecules and prevent chain reactions from happening.