Category: N
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Nonstriated muscles
These muscles are involuntary and function automatically, without conscious will.
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Nonporous
An item that is made or constructed of a material that has no pores or openings and cannot absorb liquids.
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Nonpathogenic
Harmless microorganisms that may perform useful functions and are safe to come in contact with since they do not cause disease or harm.
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Noncomedogenic
Product that has been designed and proven not to clog the follicles.
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No-base relaxers
Relaxers that do not require application of a protective base cream.
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Nipper
A stainless-steel implement used to carefully trim away dead skin around the nails.
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New growth
Part of the hair shaft between the scalp and the hair that has been previously colored.
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Natural nail unit
Composed of several major parts of the fingernail including the nail plate, nail bed, matrix, cuticle, eponychium, hyponychium, specialized ligaments, and nail fold. Together, all of these parts form the nail unit.
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Natural nail
The hard protective plate is composed mainly of keratin, the same fibrous protein found in skin and hair. The keratin in natural nails is harder than the keratin in skin or hair.
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Natural hairstyling
Hairstyling that uses no chemicals or dyes and does not alter the natural curl or coil pattern of the hair.