Category: F
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Failure to empty
A type of neurogenic bladder dysfunction in MS resulting from demyelination in the voiding reflex center of the spinal cord. The bladder tends to overfill and become flaccid, resulting in symptoms of urinary urgency, hesitancy, dribbling, and incontinence.
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Fusion bonding
Method of attaching extensions in which extension hair is bonded to the client’s own hair with a bonding material that is activated by heat from a special tool.
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Full-stem curl
Curl placed completely off the base; allows for the greatest mobility.
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Full-base curls
Thermal curls that sit in the center of their base; strong curls with full volume.
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Frontalis
Front (anterior) portion of the epicranius; muscle of the scalp that raises the eyebrows, draws the scalp forward, and causes wrinkles across the forehead.
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Frontal artery
Supplies blood to the forehead and upper eyelids.
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Free-hand slicing
Technique used to release weight from the subsection, allowing the hair to move more freely.
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Free-hand notching
Haircutting technique in which pieces of hair are snipped out at random intervals.
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Free edge
Part of the nail plate that extends over the tip of the finger or toe.
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Fragilitas crinium
Technical term for brittle hair.