The use of hair cosmetics is
ubiquitous among men and women of all ages. Virgin hair is the healthiest and
strongest but basic grooming and cosmetic manipulation cause hair to lose its
cuticular scale, elasticity, and strength. The science behind modern shampoos
and conditioners has led to the development of rationally designed products for
normal, dry, or damage hair.
Hair grooming products
Shampoos: formulations and
diversity
Cleaning hair is viewed as a
complex task because of the area that needs to be treated. The shampoo product
has to also do to things – maintain scalp hygiene and beautify hair. A
well-designed conditioning shampoo can provide shine to fibers and improve
manageability, whereas a shampoo with high detergent properties can remove the
outer cuticle and leave hair frizzy and dull.
Formulations of shampoos
The number of shampoo
formulations on the market can be overwhelming but when the chemistry behind
those marketed for “normal hair” or “dry hair” is understood, shampoos for
“normal” hair typically have lauryl sulfate as the main detergent and provide
good cleaning of the scalp. These are best utilized by those who do not have
chemically treated hair.
Categories of shampoos available
for the following hair types.
- · Normal hair
- · Dry hair
- · Oily hair
·
Tightly kinked hair
Hydrolyzed animal protein or
dimethicone are added to conditioning shampoos, also commonly called 2-in-1
shampoos. These chemicals create a thin film on the hair shaft to increase manageability
and even shine. For individuals with tightly kinked hair, conditioning shampoos
with both cleaning and conditioning characteristics that are a variant of the
2-in-1 shampoo can be beneficial.
Some baby shampoos can cause
increased hair dryness because of their alkaline pH.
Conditioners
Conditioners can be liquids,
creams, pastes, or gels that function like sebum, making hair manageable and
glossy appearing. Conditioners reduce static electricity between fibers
following combing or brushing by depositing charged ions on the hair shaft and
neutralizing the electrical charge. Another benefit from conditioners is
improved hair shine which is related to hair shaft light reflection.
Conditioners may also improve the quality of hair fibers by reapproximating the
medulla and cortex in frayed fibers.
There are several hair
conditioner product types including instant, deep, leave-in, and rinse. The
instant conditioner aids with wet combing; the deep conditioner is applied for
20-30 minutes and works well for chemically damaged hair. A leave-in
conditioner is typically applied to towel dried hair and facilitates combing. A
rinse conditioner is one used following shampooing and also aids in
disentangling hair fibers.
Hair oils
Oiling is not recommended for
good hair and scalp health. It causes increased scalp itching, dandruff and
hair loss. It can also aggravate skin
problems like acne (pimples) and pityriasis versicolor.
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