Exam (elaborations)
MILADY'S EXAM #3-ESTHETICS QUESTIONS AND ANSWERS
- Course
- Institution
MILADY'S EXAM #3-ESTHETICS QUESTIONS AND ANSWERS
[Show more]
Content preview
MILADY'S EXAM #3-ESTHETICSQUESTIONS AND ANSWERS
The effects of cosmetic products on the skin are based on: - Answer-chemical reactions
Organic substances: - Answer-contain carbon
Matter assumes the shape of a solid, liquid, or gas depending on its: - Answer-
temperature
A form of matter that cannot be broken down into simpler substances is the: - Answer-
element
The smallest part of an element that still retains the properties of that element is call
a/an: - Answer-atom
Water and table salt are types of: - Answer-compounds
When a physical change occurs in a substance: - Answer-there is a change in physical
properties
Physical properties include: - Answer-weight
An example of a physical change is: - Answer-water freezing into ice
The element oxygen: - Answer-is the most abundant element
Hydrogen peroxide is a compound of: - Answer-oxygen and hydrogen
the pH scale measure the: - Answer-acidity and alkalinity of a substance
Alkalis or bases: - Answer-have a pH above 7.0
Sebum and sweat on the skin create a barrier on the surface called the: - Answer-acid
mantle
When equal amounts of acids and alkalis are mixed together, they: - Answer-neutralize
each other
When oxygen is removed from a substance, the chemical reaction is called: - Answer-
reduction
In redox reactions, the two chemical process that take place simultaneously are: -
Answer-oxidation and reduction
, A usually liquid substance that dissolves another substance is called a: - Answer-
solvent
Immiscible liquids: - Answer-cannot be mixed together
Calamine lotion is a type of: - Answer-suspension
An emulsion: - Answer-has larger particles than solutions and suspensions do
The head of a surfactant molecule is: - Answer-hydrophilic
Oil-in-water emulsions: - Answer-contain more water than oil
Surfactants are an ingredient in: - Answer-emulsions
Performance ingredients - Answer-cause changes in the skin's appearance
A class of performance ingredients that exfoliate the corneum is: - Answer-alphahydroxy
acids
Water is both a performance ingredient and a/an: - Answer-vehicle
The cosmetic ingredient called emollients: - Answer-lie on top of the skin
Most skin care products are a mixture of: - Answer-oil and water
Emollients moisturize the skin in a process called: - Answer-occlusion
Oils from plant sources: - Answer-mimic human sebum
A product that is "biologically inert": - Answer-does not react with chemicals involved in
skin function
Plant oils and animal fats are the source of: - Answer-fatty acids
Emollient products whose names almost always end in -ate are: - Answer-fatty esters
Silicone products: - Answer-allow oxygen in and out of the follicles
Emollients that are comedogenic tend to: - Answer-block pores
Detergents are used in skin care products because they: - Answer-reduce the surface
tension of dirt and oils
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller biggdreamer. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
78998 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now
