Hair Toppers, wigs and hairpieces are an amazing option if you are looking to switch up your style or if you are looking to disguise hair thinning and hair loss. If you’re new to the world of wigs & hair toppers, you may be unfamiliar with the insane high number of hair toppers and wig terms out there. This is why we created this hair toppers and wigs glossary to help you familiarise yourself with the different styles, cap constructions, fiber types and much more as you start to discover what kinds of hair topper or wig is right for you. 

Any missing word you may want me to add, please, contact me and I will make sure to include it in the glossary! 

AAdhesiveA type of glue or bonding agent used to secure wigs, hair toppers, or hairpieces to the scalp or skin.
AAlternative HairA term used to describe a hairpiece, hair extensions, hair toppers, or a wig.
AAlopecia AreataA patchy type of hair loss due to an autoimmune condition. Commonly starts with small round bald patches on the scalp and can progress to total body hair loss.
AAlopecia TotalisTotal hair loss on the scalp due to an autoimmune condition.
AAlopecia UniversalisHair loss all over the body due to an autoimmune condition.
AAndrogenetic AlopeciaHair loss due to a genetic predisposition.
AAnti-Slip GelA product used to prevent wigs or hairpieces from slipping or shifting on the scalp.
AAsian HairA type of hair used in the construction of human hair wigs and hairpieces. Asian hair is thicker and coarser than European hair.
AAverage Cap SizeThe average cap size typically measured in inches: Around the Head – 21 ½ – 22, Front to Back – 14 ¼ – 14 ½, Ear to Ear – 13 ½.
AAverage/Large Cap SizeThe average/large cap size typically measured in inches: Around the Head – 22 ½”– 23”, Front to Back – 14 ¾ – 15, Ear to Ear – 13 ¾ – 14.
BBaby HairSmall flyaway strands of hair, often curly at the base of the frontal hairline, adding to a realistic look and camouflaging the wig edge.
BBleached KnotsKnots put through a bleaching process to make them nearly invisible, appearing to grow from the scalp.
BBlendingMixing multi-colors of fiber to achieve realistic color graduations in wigs, hairpieces, or extensions.
BBondingA process by which a hairpiece is glued onto the head temporarily.
BBundleA pack of hair extensions.
CCapless WigSimilar to a standard cap design but without a closed lace layer at the crown, offering maximum ventilation and the ability to pull natural hair through.
CCapless Construction with Lace FrontA combination of capless construction for lightweight wear and a lace front for a natural hairline.
CChinese HairNaturally straight and sleek hair used in wigs, ranging from off-black to dark brown, but not easy to hold curls.
CColor RingsTools displaying possible hair colors for easy identification and selection when ordering.
CClip-On Hair SystemsHair systems secured with sewn-on clips onto existing hair.
CCicatricial AlopeciaA rare condition resulting from inflammation that damages and scars hair follicles, causing permanent hair loss.
CClosed/Traditional CapOriginal machine-made wig construction with an interior lace material sewn to the crown.
CClip-In ExtensionsWefts of hair with attached clips for easy attachment to natural hair, adding length, volume, or highlights.
CClosuresSmall pieces used to close a sew-in weave or create a natural-looking part in a wig.
CCrown TopperA hairpiece designed to cover the crown area of the head, adding volume to thinning or flat hair.
CCoarseA specific type of hair texture characterized by a large diameter.
CCuticlesA fundamental component of human hair, serving as a protective outer layer and securing the hair shaft within the follicle.
DDouble DrawnThe process of hackling single-drawn hair to remove shorter strands, creating a fuller bundle of hair.
DDouble MonofilamentA double monofilament material that eliminates scalp irritation, with hair individually knotted for versatile styling.
DDensityThe number of strands of hair on a hairpiece or wig.
DDip-DyedA two-tone coloring technique in wigs and hair, with hair dark at the roots and gradually transitioning to lighter shades toward the ends.
DDouble KnotsKnotting hair to the base, considered the strongest and most durable type of knot, but more visible than other knots.
EEar-To-Ear Lace FrontA lace front extending from one ear to the other, providing a larger area for natural parting.
FFallA partial wig used to add length and coverage while allowing ventilation and a secure fit.
FFillersPartial hairpieces, not full wigs.
FFull FallA partial wig placed on the crown of the head, blending with the front hair.
FFrench LaceDelicate and sheer lace often used in lace front wigs and toppers.
FFrench TopLight fabric lining (e.g., silk) placed under the cap area to simulate the color and appearance of the natural scalp.
FFrontalA large, ear-to-ear area of lace used to mimic an entire hairline.
GGlue RemoverA product used to safely remove wig adhesive or tape residues from the scalp and wig/topper cap.
GGraftingA hair restoration/transplant technique involving the implantation of hair follicles into the scalp.
HHalo WigsHair extensions secured with an invisible wire, adding length and volume.
HHat FallsAlso known as Chemo Caps or ½ Wigs, these have a bare cap on top attached by elastic pieces, giving the illusion of a perfect fit.
HHeadband WigA wig designed to be worn with a headband for quick and easy styling.
HHeat Resistant HairSpecial fiber blend that allows the use of heat appliances such as blow dryers, hair straighteners, and curling irons.
HHeat ToolsTools like blow dryers, straighteners, flat irons, curling wands, and curling irons.
HHigh-Density WigsWigs or hairpieces with a high volume, making them fuller and more challenging to maintain than lower-density options.
HHuman Hair BlendA combination of human hair and synthetic fiber in various ratios (e.g., 25%, 35%, or 50%), offering versatility in styling.
IIndian HairHair sourced from India, similar in texture to European hair but more affordable, stronger, and durable.
IInjected HairHair injected into a thicker skin base at an obtuse angle, allowing combing in any direction.
IIntegration SystemA system allowing natural, growing hair to be combined with a hair replacement system, adding volume and fullness without shaving the head.
IInvisible KnotsKnots tied in a way that makes them nearly invisible, creating a more realistic look (often achieved through bleaching knots).
IInvisible HairlineA virtually undetectable hairline, often achieved with lace front wigs.
KKosher WigsWigs not containing hair from India, manufactured under Rabanut supervision to verify no Indian hair usage.
KKnotsHow hair is hand-tied and secured into lace material in lace front or monofilament top wigs.
KKnot BleachingThe process of lightening knots on a wig to reduce their visibility.
LLace FrontA wig with a mesh insert in the front, with individual hairs hand-tied to create a realistic-looking hairline.
LLace WigA wig constructed with a lace cap or lace front for a natural appearance.
LLace PartingA wig or hair topper featuring hand-tied hair on a lace material to create a realistic-looking scalp and part.
MMachine-Made WigsWigs made from wefts of hair that are sewn together by a machine.
MMedical Cranial Hair ProsthesisA specially designed wig for medical hair loss patients, offering comfort, a natural appearance, and special features.
MMannequin HeadA head-shaped form made of materials like Styrofoam or rubber, ideal for styling wigs.
MMemory CapA wig cap that replaces wide stretch lace with a material that molds to the shape of the head, providing a lighter, more secure fit.
MMonofilamentA wig or hair topper base made of fine mesh, with hair individually knotted for versatile styling, available in full or partial monofilament caps.
MMono PartWigs featuring a soft monofilament construction along the part line, with hand-tied fibers for a realistic hair growth appearance.
MMesh CapA cap constructed with thin, micro-mesh, stretchy fabric, with hair 100% hand-tied, and a second layer of mesh sewn over the crown area.
MMicro KnotsTiny knots used to secure individual hair strands to the wig base for a natural appearance.
MMulti-Directional KnottingHair hand-tied onto the base of a hair system or wig, allowing styling in multiple directions.
MMultidirectional PartHigher-quality skin, silk, or mono top that can be combed or parted in any direction, similar to natural hair.
NNano Ring ExtensionsHair extensions applied using tiny nano rings for a discreet look.
NNon-RemyHuman hair collected from multiple sources without guaranteed alignment of root and tip ends, often with partially removed cuticles to prevent tangling.
NNon-Surgical Hair Replacement ProductsAny type of wig, hairpiece, cranial prosthesis, etc., used without surgical intervention.
OOpen Ear TabsFlexible material at the ears, allowing adjustment and contouring of the wig around the temple area.
PPaddle BrushA brush used for detangling and styling wigs and hairpieces.
PParaben-FreeProducts without parabens, preservatives often used in cosmetics and hair care, which can impede moisture evaporation and lead to frizz.
PPermateaseA technique involving crimping hair near the base of a wig to add volume.
PPolyurethane (Poly)Transparent plastic material used as a hair system base, with different levels of thickness for realism or durability.
PPU (Polyurethane)Another name for polyurethane, often used to refer to a thicker type of polyurethane used around the perimeters of bases for added sturdiness and bonding.
PPolyurethane Ear TabsUsed on the sides of a wig cap to adhere to tape or glue for stronger security.
PProcessed HairChemically treated hair with the cuticle often removed to allow hair to lie flat without tangling, sometimes bleached and colored.
PPre-Made WigA ready-to-wear piece that is ready to be worn out of the box.
RReady-to-Wear WigA wig or hairpiece that comes pre-styled and is ready to wear without additional customization.
RRat Tail CombA comb for precise parting of wigs or sew-in weaves.
RRaw HairUnprocessed hair that has not undergone chemical manipulation.
RRemi/Remy Human HairHuman hair with cuticles aligned in the same direction to prevent tangling, used for high-quality wigs, extensions, and hairpieces.
RRooted Wig / Hair TopperA wig or topper with a darker root area to mimic natural hair growth.
RReturnsShorter hairs tied throughout a wig or lace top topper to represent the natural look of flyaways or lessen underside density, unrelated to damage.
SSilk TopA strip of fabric, often silk, along the part where hair is threaded to create the appearance of hair growing directly from the scalp.
SSingle-Drawn HairHair within a weft cut from one end only, resulting in varying lengths within the weft.
SSkin TopSometimes referred to as Silk Top, a feature creating a natural-looking scalp where hair is threaded on a thin, skin-like base.
SSilicone Wig GripA band or cap with silicone lining to prevent wig slippage.
SStandard CapThe most common and affordable cap design with open wefts in the back and sides for ventilation and a closed lace layer at the crown.
SSynthetic FiberFiber types such as polyester, acrylic, and modacrylic used to create synthetic wigs, known for low maintenance and affordability.
SSynthetic Lace Front WigA wig with a lace front made of synthetic hair, offering a natural look at a lower price point than human hair wigs.
SSynthetic WigA wig made of synthetic fibers, designed to mimic the look and feel of natural hair.
TTape AdhesiveAdhesive strips used to secure wigs and hairpieces to the scalp temporarily.
TTape TabsDouble-sided tape used to attach wigs and hairpieces.
TThinning ShearsSpecialized scissors with notched blades used to reduce hair thickness, add texture, or blend hair seamlessly.
TTopperA hairpiece designed to cover a specific area of thinning hair, adding volume and coverage.
UU-Part WigA wig with a U-shaped opening at the crown, allowing natural hair to be left out for blending with the wig.
UUnderhairAn additional layer of hair used in wigs and hairpieces to create volume and thickness.
VVirgin HairHair that has never been chemically processed or treated, often used for high-end wigs and extensions.
WWeaveA method of hair extensions where natural hair is braided and wefts of hair are sewn onto the braids.
WWeftA track of hair extensions made by sewing strands of hair together at the top.
WWig CapThe base of a wig, designed to fit on the head and secure the hair in place.
WWig GripA band or cap designed to hold a wig in place without the need for glue or tape.
WWig StandA stand designed to hold and display wigs when they are not being worn.