Hydrosols Flashcards
1
Q
How are hydrosols produced?
A
Steam distilation
2
Q
What is the ph range of hydrosols?
A
All hydrosols are somewhat acidic, with a pH ranging from 2.9-6.5
3
Q
What is the most common use of hydrosols in skincare?
A
Generally most hydrosols are slightly astringing and so make great facial toners
4
Q
What are the shelf life of hydrosols?
A
approx 6 months
5
Q
How to make a hydrating hydrosol?
A
add glycerine
