Beauty Vocabulary
The ShampooGarage Glossary
Master the language of beauty — from sulfates to sebum, keratin to co-washing. Your complete reference for haircare and beauty terminology.
Exclusive Vocabulary
ShampooGarage Original Terms
Coined by our editorial team — you won't find these anywhere else.
Strand-Score™
ShampooGarage's proprietary 1–10 rating system for evaluating products across 5 dimensions: cleansing power, moisture retention, scalp health, fragrance, and value.
The Garage Method
Our 8-week testing protocol: every product is used exclusively for 2 weeks, then compared side-by-side before a final verdict is issued.
Curl-Coded
Products that have been specifically tested and approved for 3A–4C curl patterns by our natural hair editorial team.
Scalp-First Philosophy
ShampooGarage's editorial stance that healthy hair starts with a healthy scalp — we always evaluate scalp health as the primary metric.
The Porosity Protocol
Our recommended product selection framework based on your hair's porosity level (low, medium, or high).
Strand Sanctuary
A ShampooGarage-coined term for the ideal haircare environment: the right temperature, humidity, and product combination for your specific hair type.
Garage-Tested
The ShampooGarage seal of approval, awarded only to products that pass our full 8-week testing protocol.
Hydration Highway
The moisture-delivery pathway from product application to the hair cortex — understanding it helps you choose the right product layering order.
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Industry Reference
Standard Beauty & Haircare Terms
C
Cuticle
StructureThe outermost layer of the hair shaft, made up of overlapping scales. Healthy cuticles lie flat; damaged ones are raised or missing.
Cortex
StructureThe middle layer of the hair shaft containing melanin (color) and keratin. Chemical processes like coloring and perming affect this layer.
Co-washing
TechniquesWashing hair with conditioner instead of shampoo. Popular in the natural hair community for maintaining moisture in curly and coily hair types.
Clarifying
TechniquesUsing a clarifying shampoo to remove product buildup, mineral deposits, and excess oils. Should be done every 2–4 weeks depending on product use.
D
Deep Conditioning
TreatmentsA conditioning treatment left on hair for 15–30 minutes (often with heat) to penetrate the cortex and restore moisture and elasticity.
Density
Hair TypesThe number of individual hair strands per square inch of scalp. Low density = fewer strands; high density = more strands.
E
Emollients
IngredientsIngredients that soften and smooth the hair by filling gaps in the cuticle. Oils and butters are natural emollients.
Elasticity
ScienceHair's ability to stretch and return to its original length without breaking. Healthy hair can stretch up to 30% when wet.
F
Fine vs. Coarse
Hair TypesRefers to the diameter of individual hair strands, not the overall density of hair. Fine hair has a smaller diameter; coarse hair has a larger one.
H
Humectants
IngredientsIngredients that draw moisture from the air into the hair. Common humectants include glycerin, hyaluronic acid, and aloe vera.
Hygral Fatigue
ScienceDamage caused by repeated swelling and contracting of the hair shaft from excessive moisture. Common in high porosity hair.
K
Keratin
IngredientsThe fibrous protein that makes up 95% of the hair shaft. Keratin treatments temporarily smooth the cuticle by infusing additional protein.
L
LOC Method
TechniquesLiquid, Oil, Cream — a moisture layering technique for natural hair. Apply in this order to lock in hydration. Best for high porosity hair.
LCO Method
TechniquesLiquid, Cream, Oil — a variation of the LOC method where cream is applied before oil. Often better for low porosity hair.
M
Medulla
StructureThe innermost layer of the hair shaft, present in thick hair but often absent in fine hair. Its function is not fully understood.
P
Porosity
StructureHair's ability to absorb and retain moisture, determined by the state of the cuticle layer. Low porosity = closed cuticles; high porosity = open/damaged cuticles.
Parabens
IngredientsPreservatives used in cosmetics to prevent microbial growth. Some consumers avoid them due to concerns about hormonal disruption, though evidence is limited.
Protein Treatment
TreatmentsA deep conditioning treatment that infuses hydrolyzed proteins into the hair to temporarily repair damage and add strength.
Plopping
TechniquesA technique for drying curly hair using a microfiber towel or T-shirt to reduce frizz and enhance curl definition.
pH Balance
ScienceHair and scalp have a natural pH of 4.5–5.5 (slightly acidic). Products outside this range can disrupt the cuticle and cause damage.
Porosity Test
TestsThe float test: drop a clean strand in water. Floats = low porosity; sinks slowly = normal; sinks fast = high porosity.
S
Sulfates
IngredientsSurfactants (cleansing agents) like SLS and SLES that create lather. Effective but can strip color and natural oils. Sulfate-free formulas use gentler alternatives.
Silicones
IngredientsSynthetic polymers that coat the hair shaft for shine and smoothness. Water-soluble silicones (ending in -ol) rinse out easily; others require sulfates to remove.
Sebum
ScienceThe natural oil produced by sebaceous glands in the scalp. Sebum moisturizes and protects the hair shaft but can cause greasiness if overproduced.
Strand Test
TestsTesting a new chemical treatment on a single strand before applying to the full head to check for adverse reactions.
T
Trichology
ScienceThe scientific study of hair and scalp health. A trichologist is a specialist who diagnoses and treats hair and scalp disorders.
