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HAIR CLONING
A technique under development which could make an unlimited crop of donar hair available for transplanting.

HAIR EXTENSIONS
Hair Extensions are used to add volume or length to your hair by bonding synthetic or real hair at your roots.

HAIR GROWTH CYCLE
Hair passes through a series of cycles known as Anagen (growing phase), Catagen (resting phase) and Telogen (dormant phase).

HAIR INTEGRATION
A modern term used to describe hair weaving.

HAIR WEAVING
A process by which a hair piece is attached to existing hair on the head through braiding or a weaving process.

HAIR WEFT CLIPS
To attach hair wefts by clips. Clips are placed in the hair and snapped close. Wefts are held securely in place.

HEATCLAMPS
A heat gun that is used to seal synthetic hair. Used for creating warlocks and other styles.

HENNA
Derived from the henna plant, a vegetable dye made from its leaves and stems into a powder. Traditionally, it imparts a reddish cast to the hair by coating it. Clear henna enhances shine. Henna cannot be dyed over since it coats the outer hair shaft, affecting the penetration of the chemical colorant.

HIGHLIGHTS
The subtle lifting of color in specific sections of hair.

HIRSUTISM
Excessive hair growth, accompanied by enlarged hair follicles and increased pigmentation.

HUMECTANT
An ingredient in skin or hair products that draws moisture from the air to moisturize.

HUMIDITY
The amount of moisture available in the air.

HYDRATE
To add moisture to the skin.

HYDROGEN PEROXIDE
Used to oxidise (expand) artificial colour molecules. Can also lighten natural colour pigment.

HYDROLYZED KERATIN
"Basically corresponds to human hair, contains the ""structural protein"" of hair, repairs damage - active ingredient ’Liquid hair’. "

HYDROXYPROPYL GUAR HYDROXYPROPYLTRIMONIUM CHLORIDE
All essential ingredient that adds moisture to the hair.

HYPERPIGMENTATION
An over excitation of melanocytes, darkening of the skin. Can be seen as sun-induced freckles or melasma.

HYPOPIGMENTATION
Caused by an absence of melanocytes, whitening of the skin. Vitiligo is a common medical complaint.