Ch. 12: Ski Care Products: Chemistry, Ingredients, and Selection Flashcards
A family of plant-based antioxidants, most often found in the leaves of the tea plant, but also in apples, berries, chocolate, and red wine.
Catechins
Collagen, Hyaluronic acid, and Polysilicones
Ingredients that reduce transdermal moisture loss
Hyalauric acid is composed of the ___________________ that is present in the dermis and epidermis.
Glycosaminoglycans
If something is hydrophilic what is it?
Water-loving
What are nano emulsions designed to do
They are designed to break down into their constituent ingredients when applied to the skin and hair. They measure 50-100nm, usually transparent, and provide a pleasant texture and /or skin feel.
What do liposomes and niosomes designed to do in nano form?
they are globular vesicles that can vary from 25-5000nm in size and are used to encapsulate active ingredients in order to improve their stability or ingredient delivery capacity.
What percentage of salicylic acid is allowed by the FDA for home use?
2%
Salicylic acid in combination with glycolic and lactic (AHA’s) are highly effective because of what?
Exfoliating mechanisms
How many certification exempt colors exist in the US formulations?
29 certification exempt
35 certified
What is glycolic acid made from?
Sugar cane
What are the peaks and valleys in dry skin caused by?
Uneven Stratum Corneum
What does a finished product of glycolic acid or lactic acid have to have a pH of according to the CIR?
3.8-4.4 pH
The formula should be designed to avoid increased skin sensitivities. If increased sun sensitivity is likely, the products direction for use should include the daily use of sun protections.
*Same for BHA’s. BHA’s are not recommended for people with aspirin allergies.
Something that is found in a living organism rather than in a lab is called _______.
Organic
What are performance ingredients also know as?
Active Principals
What is Ascorbic Acid?
Vitamin C