The change that occurs in burning wood through oxidation
Chemical change
The most common example of a chemical compound
Water
4.5-5.5
This type of shampoo is formulated to prevent the stripping of permanent hair color from the hair
pH balanced
A substance that is dissolved in a solvent
Solute
Permanent hair color is this type of change
Chemical change
Organic substances contain this element
The pH of a water-based solution measures its degree of these
Acidity or alkalinity
The basic purpose of a cold cream
Cleanse the skin
A common emulsion
Shampoo
Soaps lather easily in the presence of _______
Soft water
The universal solvent
Water
The condition of the hair and scalp is most influenced by a shampoo product’s _____________
Acidity or alkalinity
Conditioners that penetrate the cortex to replace lost keratin
Protein conditioners
The primary ingredient in styptic powder or liquid
Alum
A substance that cannot be separated into simpler substances by chemical means
Element
Give at least 2 examples of a common inorganic substance
Metal, water, air, minerals, etc.
Solutions that soften, swell, or expand the cuticle usually have this pH level
Alkaline
Conditioners formulated to control minor dandruff and scalp conditions
Medicated conditioners
A grooming aid that can also stimulate the scalp and correct a scalp condition
Hair tonic
A chemical reaction that combines an element or compound with oxygen to produce an oxide
Oxidation
The 4 classifications of compounds
Acids, bases, salts, oxides
The usual pH range of hair conditioners
3.0-5.5
Finishing, detangling, and cream rinses are examples of this
Instant conditioners
Astringents may have up to this much alcohol content
35%