Skin Care and the Physiology of the Skin

The largest organ of the human body is the skin. Itdesire to sterilize the skin also destroys beneficial
protects our bodies from the environment, maintainsbacteria, such as streptococcus mutans, and
body temperature, excretes waste matter, givesmicrococcus luteus . Toners, for instance, are beneficial
sensory information to the brain and regulates bodyin keeping bacterial populations down, thus reducing
moisture. We think about our skin more than any otheracne flare-ups resulting from microbes which invade
part of our bodies, and we manifest that attention byand proliferate in the pores. Overuse of anti-microbial
investing our emotions and about 6 to 20 % of ouragents can produce harmful results when too many
disposable income into our skin (Lappe, 1996). It isbeneficial bacteria are destroyed, allowing pathogenic
worthy to consider, then, how cosmetic productsbacteria to multiply unchecked on the skin. The skin
affect our skin. In this article the psycho-social impactalso produces antimicrobial proteins, two of which are
of cosmetics will be examined as well as whycalled defensins and cathelicidins, which increase when
cosmetics are deemed necessary. The physiology ofthe skin is damaged. Perspiration, necessary for the
skin, how cosmetics affect skin function and themaintenance of internal body temperature, also
effects of synthetic and natural cosmetic ingredientsexcretes a germicidal protein called dermicidin to
on the skin will also be considered.The Psycho-Socialcombat bacteria producing body odour. Deodorants
Impact of CosmeticsOur society is preoccupied withalso assist in keeping the bacterial population down,
the "culture of beauty" (Lappe, 1996) which includes thethus decreasing the odours produced as they feed on
notion that our skin must always look young andthe waste matter excreted by the sweat glands.
appear free from blemish. Our psychological well-beingResearch has shown that people who wash
is often closely enmeshed with perceptions of how ourexcessively are more prone to infection and eczema
skin appears to ourselves and others. We define ouras a result of 'washing" away natural bacteria and
self-image to include the visible representation of ourgermicides too frequently (Awake!, 2004).The Effect
skin to others, so as a result, it has become theof Natural and Synthetic Cosmetic Ingredients on the
"primary canvas on which our cultural and personalSkinA natural substance is any plant or animal extract,
identity is drawn" (Lappe, 1996). Cosmetic companiesrock or mineral which is obtained from the earth
set aside concepts of natural beauty so that flaws(Antczak, 2001). An artificial or synthetic substance is a
such as large pores, fine lines and wrinkles are broughtsubstance which has been modified through chemical
to the fore, influencing our spending habits in pursuit ofreactions in an industrial process (Antczak, 2001). We
flawless skin.In the animal kingdom, most male speciesuse a myriad of cosmetics on our skin, but before we
are endowed with colourful physical attributes so thatuse these beauty aids, three essential questions should
a less colourful, but wisely camouflaged female matebe asked:- What is the composition of the cosmetic?-
will be attracted to it. Humans do not have equivalentWhy is each ingredient used?- Do the ingredients have
ornamentation, so women use cosmetics, specificallypositive or negative effects on the skin and body?
make-up, to decorate their faces to attract(See glossary at products claim to be safe or even
prospective mates.The Need for CosmeticsAmay appear to be safe, but beyond the short-term
cosmetic is any substance which, when applied, resultsbenefits of using the cosmetic, are there any long term
in a temporary, superficial change (Anctzak, 2001). Weeffects from daily absorption of its use? Skin used to
use a myriad of cosmetics on our skin, frombe considered an impermeable barrier, but transdermal
moisturizers to lipstick. Make-up alters our visualdrugs have proven that the opposite is true; the skin
appearance by enhancing our facial features throughallows many substances to pass through its layers into
the artistic application of colour. It can beautify the facethe bloodstream.Several factors affect the rate with
and be used to express our sense of self to others.which the skin will absorb various cosmetic ingredients.
Make-up can hide blemishes, scars, under-eye circlesThe condition of the skin, such as whether it is dry or
or even out our skin tone. It can boost self-esteem,damaged will increase absorption. Cuts, acne or
make us feel more attractive and increase our socialabrasions also increase absorption. Other ways to
acceptability in some social situations. Using make-upabsorb cosmetic ingredients is to inhale them, such as
can contribute to a well-groomed image, whichwith hairspray or talcum powder, or through the
positively influences our confidence, self-esteem, healthmucous membranes. Moist substances are most
and morale.Skin care cosmetics treat the surfacereadily absorbed and powders are absorbed the least
layer of the skin by providing better protection againstby the skin. Many products claim to address a skin
the environment than skin left untreated. Creams treatissue, such as acne or dry skin, but contain ingredients
the skin's surface by imparting moisture to the skinwhich exacerbate these problems. For instance, acne
cells on the outermost layer of the skin. It also forms atreatments may contain comedogenic, or pore-clogging
thin barrier which traps moisture underneath, therebyingredients. Creams that are supposed to treat dry
preventing the evaporation of water from the skin'sskin may actually strip the skin of its natural oils which
surface. Creams also accelerate the hydration of skinare useful in preventing dryness. Some contain
cells on the outer layer, giving the skin a temporarilychemicals which seep through the skin and dissolve
smooth, plump appearance. Exfoliants improve theskin oils and defat the skin (Lappe, 1996). A growing
appearance of the skin by sloughing away flaky skin,trend is chemical sensitivity, which can develop at any
blackheads and some dead skin cells. Astringentstime, even after long term use of the same product.
improve skin tone and texture by swelling the poreThe ingredients in many cosmetics cause 20% of the
walls so dirt and debris do not collect within. Soapspopulation (U.S. data, Erickson, 2002) to develop the
loosen particles of dirt and grime by dissolving thesymptoms of chemical sensitivity. Natural cosmetics
greasy residue left on the skin from natural skin oils,emphasize more traditional skin treatments with few
creams and make-up.The Physiology of the Skin andof these harsh effects, acknowledging that short term
How Cosmetics Affect Skin FunctionSkin is made upbeauty does not balance with long term hazards to
of three main layers: the epidermis, the dermis and thehealth.The health of the skin is dependent on sound
hypodermis. The epidermis is the only layer we cannutritional practices, healthy living and effective, safe
see with our eyes and as we age, remarkableprotection on its surface. The organic make-up co. can
changes occur which are hidden from our view. Forhelp you achieve healthy, radiant skin by offering a
instance, the skin gradually thins over time, especiallycomplete line of cosmetics and makeup composed of
around the eyes. Some cosmeceuticals can minimallyall natural ingredients, with no animal, synthetic or
re-thicken the skin, but the process of thinning ispetroleum-based ingredients. Our products are made
inevitable. Elastin and collagen, located in the dermisfresh for you once we receive your order, and contain
keep the skin resilient and moist, but with ageing thesepreservatives such as d-alpha tocopherol (vitamin E),
fibres break down to create lines and wrinkles.ascorbic acid (vitamin C) and other plant oils with
Exposure to ultraviolet radiation accelerates thisanti-microbial properties.We invite you to give our
process, and since few cosmetics can actually reachnatural products a try. Our cosmetics and make-up
the dermis, the idea that a cosmetic can reverse thisare developed on the basis of sound, scientific
process is unfounded. The best way to prevent fineprinciples and the physiology of the skin. Our products
lines and wrinkles is to limit our exposure to the sunwill convince you on their own merit, since they are
and ultraviolet radiation.The skin is a highly complex,natural, vegan, and an excellent alternative to
dynamic tissue system. One square inch of the skin isconventional make-up and cosmetics.Please contact
composed of 19 million cells, 625 sweat glands, 90 oilus at for further information.References:- Anctzak,
glands, 65 hair follicles, 19 000 sensory cells and 4Gina & Stephen, Dr., (2001). Cosmetics Unmasked,
metres of blood vessels (Lappe, 1996). The outermostHarper Collin, London.- Erickson, Kim, (2002). Drop Dead
layer of the epidermis is called the cornified layer, andGorgeous, Contemporary Books, USA.- Lappe, Marc
is made of sheets of keratin, a protein, and squames,Dr., (1996). The Body's Edge, Henry Holt & Co., New
dead, flat skin cells. It is our barrier against dehydrationYork.- Purvis, Debbie, (1989). The Business of Beauty,
from the environment. It receives its primary supply ofWall & Thompson, Toronto.- Awake! Watchtower
moisture from the underlying tissue, since constantBible and Tract Society of New York, Canada,
contact from the external environment tends to dryFebruary 8 2004.- Stryker has been researching and
out the skin's surface. When the skin is exposed to drydeveloping all natural skin care and make-up for the
conditions, the cornified layer can become dry, brittle,purpose of offering men and women safe, natural
firm and if untreated, it can crack and lead to infection.cosmetics for everyday use. She brings to her
Creams create a waxy barrier to prevent dehydrationresearch a specialist in human biology from the
and keep the skin moist and supple. Underneath theUniversity of Toronto, coupled with a professional
cornified layer lie six more layers of the epidermishome economics degree and an education degree
responsible for cell generation. The life cycle of skinfrom the University of British Columbia, fusing chemical
cells within this layer takes approximately 28 days, so itand biological knowledge with food, family and textile
may take three to four weeks to observe anysciences.You may use this article but any modification
changes at the skin's surface from using a newor publication of this article for fiancial gain must be
cosmetic.The skin surface is also home to millions ofapproved of by the author. The author's name, Lori
healthy micro-organisms which increase our immunityStryker and her company's name, The Organic
to pathogenic, or disease-causing bacteria. Thus, ourMake-up Company, needs to by noted when used.