Hair density can be classified as: (Low or thin.) (Medium.) (High or thick/dense.) Hair density and hair texture are essentially the same thing. True (X) False The average hair density is about hairs per square inch (2.5 square cm), and the average head of hair contains about (100,000) individual hair strands. Which hair color typically has the lowest density? a) Brown b) Blond (X) c) Red to d) Black The hair’s ability to absorb moisture is its . (porosity) The degree of porosity is directly related (the condition of the cuticle . Why? (Healthy hair with a compact cuticle layer is naturally resistant to penetration; porous hair has a raised cuticle layer that easily absorbs water.) A term that means resistant to being penetrated by moisture is ; a term that means absorbs water easily (hydrophobic) . is (hydrophiloic) Chemical services performed on overly porous hair require . alkaline solutions) Hair with average porosity is . Overly porous hair considered is . (damaged, dry, fragile, and brittle) Hair texture always indicates the hair’s porosity; for example, coarse hair always has a low porosity. True (X) False Describe how to check porosity. (On dry hair, take a strand of several hairs from four different areas of the head. Hold the strand securely with one
Hair density can be classified as: (Low or thin.) (Medium.) (High or thick/dense.) Hair density and hair texture are essentially the same thing. True (X) False The average hair density is about hairs per square inch (2.5 square cm), and the average head of hair contains about individual hair strands. Which hair color typically has the lowest density? a) Brown b) Blond (100,000) (X) c) Red d) Black The hair’s ability to absorb moisture is its The degree of porosity is directly related to (porosity) . (the condition of the cuticle . Why? (Healthy hair with a compact cuticle layer is naturally resistant to penetration; porous hair has a raised cuticle layer that easily absorbs water.) A term that means resistant to being penetrated by moisture is (hydrophobic) ; a term that means absorbs water easily is (hydrophiloic) . Chemical services performed on overly porous hair require alkaline solutions) . Hair with average porosity is considered . Overly porous hair is (damaged, dry, fragile, and brittle) . Hair texture always indicates the hair’s porosity; for example, coarse hair always has a low porosity. True (X) False Describe how to check porosity. (On dry hair, take a strand of several hairs from four different areas of the head. Hold the strand securely with one
Chapter%2011%20Prop%20of%20hair%20and%20Scalp.docx