When others comment on a sickly appearance, they are also assessing theappearance of the eyes and the eyelid tissue. Most of the diseases of the eyelid and the eye itself are relatedto poor eye area hygiene and the onset of infection. It is further challenged by the ever changingsebum production of the facial glands, which varies by both age and climate, and thedifferent bacteria with which the body comes in contact. Preservative-Free and Self-Preserving Cosmetics and Drugs: Principles and Practice, Bechor et al examined the time course of changes, The School of Natural Skincare is a multi-award winning online natural cosmetic formulation school Our accredited, multimedia online courses cover every, CEP Course during NY Suppliers' Day - Cosmetics Formulations Cleanser Formulation and more! . A quality lip balm used on a daily basis with an SPF of at least 15 can prevent . . 
Sorry, preview is currently unavailable. Cosmetic and Drug Preservation: Principles and Practice, edited by Jon J. Kabara2. . Thelip skin is unique in that it does not have a well-developed stratum corneum making itdifferent than the rest of opaque facial skin. In addition to losingelasticity, photoaged skin also becomes irregularly pigmented leading to dark areas,known as lentigenes, and light areas, known as idiopathic guttate hypomelanosis. Specic rawmaterials are discussed by both industry researchers and dermatologists with anencyclopedic review of botanicals that are relevant to skin care. After the face, the back of the hand isgenerally the most photoaged skin location. Photoprotection and the Prevention of Photocarcinogenesis . . . . Compare the facial skin to that of the lower ankles, which issome of the slowest healing skin on the body, because it must bear a load with walkingaccompanied by constant movement. . . The maintenance of skin health has already been discussed asoptimization of the biolm, which is a careful balance between cleansing (Chapter 4) andmoisturizing (Chapters 6, 7). These cosmetics and the products used toremove them can be a source of both allergic and irritant contact dermatitis, the next topicof discussion.Common Dermatologic Disease ConsiderationsAs mentioned previously, the eyelid skin is the most common body site aficted withirritant and allergic contact dermatitis. . At the base of the pore lies the hair follicle just below the oily sebaceous gland. On the other hand, the facial skin is some of the least forgiving when it comes toirritation and allergy. . The further the skin is awayfrom the face, the poorer the surgical result. This text can provide the 33 years of knowledge necessary tounderstand skin care formulation. . Lastly, no discussion of scalp skin could be complete without the mentionof psoriasis. Any disruption in thisorganization, either through removal of the coreneocytes or intercellular lipids, resultsin a barrier defect that can ultimately result in skin disease, our next topic of discussion.Common Dermatologic Disease ConsiderationsThe causes of most facial skin diseases that can be impacted by skin care products are dueto barrier defects. . This consideration becomes extremely important whenformulating eyelid moisturizers and sunscreens. . It accomplishes this end by a unique arrangement of dehydrated skincells, known as corneocytes, interspersed between a combination of oily substances,known as intercellular lipids. This easy to perform test is an excellent measure ofthe hand skin age. The dry skin can be removed, but is quickly replaced by the liprenewal process that is unable to make quality smooth skin. Nail peeling and cracking are more common with advancing age. . . . . This is due to the interplay between the skin, the hair, the sebaceousglands, the eccrine glands, and the transitional skin around the eyes, nose, and mouth. . Toners and Astringents . The second bestoption to shave frequently and keep the hairs so short that they cannot ingrow.Skin Care NeedsThe major skin care needs of the neck are good moisturization accompanied by sunprotection. 10 Draeloseyelid skin is frequently seen due to over-aggressive removal of lipids. It would be nice to somehow develop a cleanser that could distinguishbetween sebum and intercellular lipids, removing the former while leaving the lateruntouched. Lastly, thought should be given what constitutes skin health in thearea and what skin care needs should be met to allow maintenance of this health. Seborrheic dermatitis, characterized asdandruff of the face, is more common in the elderly, persons with AIDS, after severeb Jass HE, Elias PM: The living stratum corneum: implications for cosmetic formulation. The neck receives almost as much sun as the face and is a common site forprecancerous and cancerous growths.BodyThe body encompasses all the rest of the skin not previously discussed, except for the skinfold areas. The aim of the series is to cover the many facets of cosmetic science and technology.Topics are drawn from a wide spectrum of disciplines ranging from chemistry, physics,biochemistry and dermatology to consumer evaluations, safety issues, efcacy, toxicityand regulatory questions. The thicker skin of the hands and feet is different from anywhere on the bodywith a transitional area occurring between the rigid nails and the surrounding cuticle andsoft tissue. 
Both the physical rubbing of the hands and the chemical interaction of thecleanser and water are necessary for optimal hand hygiene.Skin Care NeedsThe skin care needs of the hands go beyond basic cleansing to moisturization, healing,photoprotection, and skin lightening. Is there natural bacterialcolonization of the site? Issuesspecic to both genders and all skin color types are presented. . For example, the palm of the hand will callus to protect thesmall bones in persons who use a hammer. Exfoliants (Chapter 15) are the product category addressing this need.Exfoliation through the use of mild acids in astringent formulations (Chapter 5), such asglycolic or lactic acid, or the use of abrasive scrubs or textured cleansing cloths removesthe skin scale improving skin texture and skin shine. . In addition, they have to beconcerned with a host of considerations, ranging from safety issues, global regulations,raw material cost and availability, awareness of the competitive climate, patent status,adequate preservation, stability and compatibility issues, product scale-up and productionproblems, to cosmetic elegance considerations, such as fragrance selection, color, andpackaging. . . In this condition, the curved hair shafts re-enter theskin causing inammation and infection. Other noninfectious growths that occur on the foot include calluses and corns.Calluses form over areas of the feet that are commonly traumatized, such as the side of thegreat toe, the side of the little toe, and the heel. Even though the nails are made of nonliving keratin, they are the source of xiv ContentsBehavior Modication : : : : 160Effectiveness of Photoprotection : : : : 160Photoprotection and Vitamin D : : : : 160Patient Recommendations and Future Directions : : : : 161References : : : : 16211. The face possesses a larger variety of these structuresthan any other skin on the body, which makes it unique. . Yeast typically isnot transferred person to person like the herpes virus previously discussed, but can be asource of pain when cosmetics are applied or a complication of chapped-appearing lips.Perleche is usually treated with a combination of topical low potency corticosteroids andtopical antifungal/antiyeast creams. Topical Botanicals . . Regimented timed hand washing routines are used to thoroughly remove allbacteria from the hands prior to surgery. 35 Keith Ertel Introduction : : : : 35 xi . Nail fungus is actually transmitted through fungal spores which are extremelyresistant to destruction. A sunscreen-containing lip balm is also the best way to prevent the recurrence of a herpes simplexfever blister, since the virus is photo-reactivated. . are all popular activities. Contents xvii Ubiquinone : : : : 394 Summary : : : : 395 References : : : : 39622. . Authorities from industry, academia, and the governmentparticipate in writing these books. If more aggressive cleansing is required, anappropriate moisturizer must be selected that will provide an environment for healingwhile the intercellular lipids are resynthesized. Each of these sites form a location whereskin disease can occur. . . While this is generally the case in other body areas, this logic does not pertain to thescalp. Acne Treatment Methodologies . Cosmetic delivery systems. The stratumcorneum is the layer of skin with which all skin care products interact. . Aparonychia is actually an infection of the skin surrounding the nail to include the cuticle.Here the cuticle is disrupted and water enters the tissue around the nail. The face can be considered as a whole;however, the eyelids and the lips represent unique facial areas that demand separate 3 . . This can result in irritant contactdermatitis, especially if the skin barrier has already been damaged from overhydration.Thus, the best way to maintain the health of the armpit is to use an effective, nonirritatingantiperspirant. Academia.edu uses cookies to personalize content, tailor ads and improve the user experience. . . Hand creams are also important inthe treatment of psoriasis where too much poor quality skin is produced too quickly. The bond between the articial nail and the natural nail is strongerthan the bond between the natural nail and the underlying skin. Cosmeceuticals: Drugs vs. Cosmetics, edited by Peter Elsner and Howard I. Maibach24. 
. . To understand formulation needs of each body area, several basic concepts must beelucidated. The abundant sebaceous glands and terminal hair follicles on the scalp makethis a separate skin environment, along with skin that expands and contracts withmovement in intertrigenous areas such as the neck and the underarms. . Eccrine glands are the sweat glands that produce a sterile watery liquidassociated with the maintenance of body temperature. Many of the abnormalities and diseases of the nail tissue can betraced back to a damaged cuticle.Common Dermatologic Disease ConsiderationsNail abnormalities and disease are extremely hard to treat because the visible nail cannotbe repaired; only the growth of new nail can be inuenced. Thesebaceous gland is the structure that produces sebum. Thus, skin care products can impact facialacne by minimizing the growth of this organism on the face. Theredundant upper eyelid tissue is due to loss of facial fat, cumulative collagen loss in theeyelid skin from UV exposure, and the effect of gravity pulling down the upper eyelid skin.Lower eyelid bags are also due to the effect UV damage and gravity, but edema or swellingmay also contribute. The eyelid skin is also uniquely affected by the immune status of the individual.Most persons with inhaled allergies to pollen, fragrance, dust, etc. Lip balms can be further adapted to provide both lip moisturization and sunprotection. Most persons with these symptomsrespond by vigorously rubbing the eyelids. Butregardless how great the science and the medical proofs behind a new product, bad or justindifferent aesthetics can hurt the performance in the marketplace. . . In general, it is felt that the physical rubbing of the hands to lather thecleanser followed by rubbing in a running stream of water to rinse away the cleanser isimportant. . The thinness of the eyelid skin also makes the use of sunscreens important. Thus, eyelid hygiene must achieve a carefulbalance between the removal of excess sebum and old cosmetics to prevent eyelashinfections and seborrheic blepharitis, while preventing damage to the intercellular lipidsand ensuing eyelid eczema.Hygiene NeedsCleansing of the eyelid tissue is indeed a delicate task. 187 David H. McDaniel, Joseph DiNardo, and Joseph Lewis What Are CosmeceuticalsCosmetics vs. RX Drugs : : : : 187 Domestic and International Regulatory Guidelines Impacting Cosmetics : : : : 191 Categories of Currently Popular Cosmeceuticals in Dermatology : : : : 192 How to Select the Best Formulation of a Cosmeceutical : : : : 199 The Future of Cosmeceuticals : : : : 200 References : : : : 20213. . Mild infections of this type can occur in otherwise healthy athletic individuals;however, the incidence of fungal infection increases with advancing age due todeterioration of the bodys immune system. . Furthergrowth of these bacteria, in combination with fungus and yeast, can result in infectionsseen in the armpit, our next topic of discussion.Common Dermatologic Disease ConsiderationsInfection is clearly the most common dermatologic condition seen in the armpits.
Sorry, preview is currently unavailable. Cosmetic and Drug Preservation: Principles and Practice, edited by Jon J. Kabara2. . Thelip skin is unique in that it does not have a well-developed stratum corneum making itdifferent than the rest of opaque facial skin. In addition to losingelasticity, photoaged skin also becomes irregularly pigmented leading to dark areas,known as lentigenes, and light areas, known as idiopathic guttate hypomelanosis. Specic rawmaterials are discussed by both industry researchers and dermatologists with anencyclopedic review of botanicals that are relevant to skin care. After the face, the back of the hand isgenerally the most photoaged skin location. Photoprotection and the Prevention of Photocarcinogenesis . . . . Compare the facial skin to that of the lower ankles, which issome of the slowest healing skin on the body, because it must bear a load with walkingaccompanied by constant movement. . . The maintenance of skin health has already been discussed asoptimization of the biolm, which is a careful balance between cleansing (Chapter 4) andmoisturizing (Chapters 6, 7). These cosmetics and the products used toremove them can be a source of both allergic and irritant contact dermatitis, the next topicof discussion.Common Dermatologic Disease ConsiderationsAs mentioned previously, the eyelid skin is the most common body site aficted withirritant and allergic contact dermatitis. . At the base of the pore lies the hair follicle just below the oily sebaceous gland. On the other hand, the facial skin is some of the least forgiving when it comes toirritation and allergy. . The further the skin is awayfrom the face, the poorer the surgical result. This text can provide the 33 years of knowledge necessary tounderstand skin care formulation. . Lastly, no discussion of scalp skin could be complete without the mentionof psoriasis. Any disruption in thisorganization, either through removal of the coreneocytes or intercellular lipids, resultsin a barrier defect that can ultimately result in skin disease, our next topic of discussion.Common Dermatologic Disease ConsiderationsThe causes of most facial skin diseases that can be impacted by skin care products are dueto barrier defects. . This consideration becomes extremely important whenformulating eyelid moisturizers and sunscreens. . It accomplishes this end by a unique arrangement of dehydrated skincells, known as corneocytes, interspersed between a combination of oily substances,known as intercellular lipids. This easy to perform test is an excellent measure ofthe hand skin age. The dry skin can be removed, but is quickly replaced by the liprenewal process that is unable to make quality smooth skin. Nail peeling and cracking are more common with advancing age. . . . . This is due to the interplay between the skin, the hair, the sebaceousglands, the eccrine glands, and the transitional skin around the eyes, nose, and mouth. . Toners and Astringents . The second bestoption to shave frequently and keep the hairs so short that they cannot ingrow.Skin Care NeedsThe major skin care needs of the neck are good moisturization accompanied by sunprotection. 10 Draeloseyelid skin is frequently seen due to over-aggressive removal of lipids. It would be nice to somehow develop a cleanser that could distinguishbetween sebum and intercellular lipids, removing the former while leaving the lateruntouched. Lastly, thought should be given what constitutes skin health in thearea and what skin care needs should be met to allow maintenance of this health. Seborrheic dermatitis, characterized asdandruff of the face, is more common in the elderly, persons with AIDS, after severeb Jass HE, Elias PM: The living stratum corneum: implications for cosmetic formulation. The neck receives almost as much sun as the face and is a common site forprecancerous and cancerous growths.BodyThe body encompasses all the rest of the skin not previously discussed, except for the skinfold areas. The aim of the series is to cover the many facets of cosmetic science and technology.Topics are drawn from a wide spectrum of disciplines ranging from chemistry, physics,biochemistry and dermatology to consumer evaluations, safety issues, efcacy, toxicityand regulatory questions. The thicker skin of the hands and feet is different from anywhere on the bodywith a transitional area occurring between the rigid nails and the surrounding cuticle andsoft tissue. Both the physical rubbing of the hands and the chemical interaction of thecleanser and water are necessary for optimal hand hygiene.Skin Care NeedsThe skin care needs of the hands go beyond basic cleansing to moisturization, healing,photoprotection, and skin lightening. Is there natural bacterialcolonization of the site? Issuesspecic to both genders and all skin color types are presented. . For example, the palm of the hand will callus to protect thesmall bones in persons who use a hammer. Exfoliants (Chapter 15) are the product category addressing this need.Exfoliation through the use of mild acids in astringent formulations (Chapter 5), such asglycolic or lactic acid, or the use of abrasive scrubs or textured cleansing cloths removesthe skin scale improving skin texture and skin shine. . In addition, they have to beconcerned with a host of considerations, ranging from safety issues, global regulations,raw material cost and availability, awareness of the competitive climate, patent status,adequate preservation, stability and compatibility issues, product scale-up and productionproblems, to cosmetic elegance considerations, such as fragrance selection, color, andpackaging. . . In this condition, the curved hair shafts re-enter theskin causing inammation and infection. Other noninfectious growths that occur on the foot include calluses and corns.Calluses form over areas of the feet that are commonly traumatized, such as the side of thegreat toe, the side of the little toe, and the heel. Even though the nails are made of nonliving keratin, they are the source of xiv ContentsBehavior Modication : : : : 160Effectiveness of Photoprotection : : : : 160Photoprotection and Vitamin D : : : : 160Patient Recommendations and Future Directions : : : : 161References : : : : 16211. The face possesses a larger variety of these structuresthan any other skin on the body, which makes it unique. . Yeast typically isnot transferred person to person like the herpes virus previously discussed, but can be asource of pain when cosmetics are applied or a complication of chapped-appearing lips.Perleche is usually treated with a combination of topical low potency corticosteroids andtopical antifungal/antiyeast creams. Topical Botanicals . . Regimented timed hand washing routines are used to thoroughly remove allbacteria from the hands prior to surgery. 35 Keith Ertel Introduction : : : : 35 xi . Nail fungus is actually transmitted through fungal spores which are extremelyresistant to destruction. A sunscreen-containing lip balm is also the best way to prevent the recurrence of a herpes simplexfever blister, since the virus is photo-reactivated. . are all popular activities. Contents xvii Ubiquinone : : : : 394 Summary : : : : 395 References : : : : 39622. . Authorities from industry, academia, and the governmentparticipate in writing these books. If more aggressive cleansing is required, anappropriate moisturizer must be selected that will provide an environment for healingwhile the intercellular lipids are resynthesized. Each of these sites form a location whereskin disease can occur. . . While this is generally the case in other body areas, this logic does not pertain to thescalp. Acne Treatment Methodologies . Cosmetic delivery systems. The stratumcorneum is the layer of skin with which all skin care products interact. . Aparonychia is actually an infection of the skin surrounding the nail to include the cuticle.Here the cuticle is disrupted and water enters the tissue around the nail. The face can be considered as a whole;however, the eyelids and the lips represent unique facial areas that demand separate 3 . . This can result in irritant contactdermatitis, especially if the skin barrier has already been damaged from overhydration.Thus, the best way to maintain the health of the armpit is to use an effective, nonirritatingantiperspirant. Academia.edu uses cookies to personalize content, tailor ads and improve the user experience. . . Hand creams are also important inthe treatment of psoriasis where too much poor quality skin is produced too quickly. The bond between the articial nail and the natural nail is strongerthan the bond between the natural nail and the underlying skin. Cosmeceuticals: Drugs vs. Cosmetics, edited by Peter Elsner and Howard I. Maibach24. . . To understand formulation needs of each body area, several basic concepts must beelucidated. The abundant sebaceous glands and terminal hair follicles on the scalp makethis a separate skin environment, along with skin that expands and contracts withmovement in intertrigenous areas such as the neck and the underarms. . Eccrine glands are the sweat glands that produce a sterile watery liquidassociated with the maintenance of body temperature. Many of the abnormalities and diseases of the nail tissue can betraced back to a damaged cuticle.Common Dermatologic Disease ConsiderationsNail abnormalities and disease are extremely hard to treat because the visible nail cannotbe repaired; only the growth of new nail can be inuenced. Thesebaceous gland is the structure that produces sebum. Thus, skin care products can impact facialacne by minimizing the growth of this organism on the face. Theredundant upper eyelid tissue is due to loss of facial fat, cumulative collagen loss in theeyelid skin from UV exposure, and the effect of gravity pulling down the upper eyelid skin.Lower eyelid bags are also due to the effect UV damage and gravity, but edema or swellingmay also contribute. The eyelid skin is also uniquely affected by the immune status of the individual.Most persons with inhaled allergies to pollen, fragrance, dust, etc. Lip balms can be further adapted to provide both lip moisturization and sunprotection. Most persons with these symptomsrespond by vigorously rubbing the eyelids. Butregardless how great the science and the medical proofs behind a new product, bad or justindifferent aesthetics can hurt the performance in the marketplace. . . In general, it is felt that the physical rubbing of the hands to lather thecleanser followed by rubbing in a running stream of water to rinse away the cleanser isimportant. . The thinness of the eyelid skin also makes the use of sunscreens important. Thus, eyelid hygiene must achieve a carefulbalance between the removal of excess sebum and old cosmetics to prevent eyelashinfections and seborrheic blepharitis, while preventing damage to the intercellular lipidsand ensuing eyelid eczema.Hygiene NeedsCleansing of the eyelid tissue is indeed a delicate task. 187 David H. McDaniel, Joseph DiNardo, and Joseph Lewis What Are CosmeceuticalsCosmetics vs. RX Drugs : : : : 187 Domestic and International Regulatory Guidelines Impacting Cosmetics : : : : 191 Categories of Currently Popular Cosmeceuticals in Dermatology : : : : 192 How to Select the Best Formulation of a Cosmeceutical : : : : 199 The Future of Cosmeceuticals : : : : 200 References : : : : 20213. . Mild infections of this type can occur in otherwise healthy athletic individuals;however, the incidence of fungal infection increases with advancing age due todeterioration of the bodys immune system. . Furthergrowth of these bacteria, in combination with fungus and yeast, can result in infectionsseen in the armpit, our next topic of discussion.Common Dermatologic Disease ConsiderationsInfection is clearly the most common dermatologic condition seen in the armpits.