CHS Hair Extensions & Additions

Question 1

What is the primary adhesive used in keratin (fusion) hair extension application?

Accepted Answer

Keratin bond heated with a fusion wand

Answer

Keratin (fusion) extensions use a keratin-based adhesive bond that is melted and sealed using a specialized fusion heat wand.

Question 2

Micro-link (micro-bead) extensions secure added hair to natural hair using:

Accepted Answer

Small metal or silicone-lined rings clamped shut

Answer

Micro-link extensions use tiny metal or silicone-lined rings (beads) that are clamped shut around a small section of natural hair and the extension strand, requiring no heat or glue.

Question 3

Which type of hair is considered the gold standard for extensions due to intact, aligned cuticles and long-lasting quality?

Accepted Answer

Remy human hair

Answer

Remy human hair has all cuticles intact and running in the same direction, which prevents tangling, matting, and gives the most natural look and longest lifespan.

Question 4

Tape-in hair extensions are generally recommended to be repositioned as natural hair grows every:

Accepted Answer

6–8 weeks

Answer

As natural hair grows, tape-in extensions migrate away from the scalp and must be repositioned every 6–8 weeks to maintain a seamless blend and prevent stress on the hair.

Question 5

Which hair extension method is widely regarded as the least damaging to natural hair because it requires no glue, heat, or braiding?

Accepted Answer

Clip-in extensions

Answer

Clip-in extensions attach and detach without any chemicals, heat, or tension on the scalp, making them the gentlest option and ideal for temporary use.

(CHS) Certified Hair Stylist Practice Test

(CHS) Certified Hair Stylist Practice Test

CHS Hair Extensions & Additions