Penetration through the Skin Barrier

2016 ◽  
pp. 103-111 ◽  
Author(s):  
Jesper Bo Nielsen ◽  
Eva Benfeldt ◽  
Rikke Holmgaard
Keyword(s):  
Skin Barrier

Changes in corneocyte element concentrations occur in skin inner stratum corneum

1990 ◽  
Vol 48 (2) ◽  
pp. 146-147
Author(s):  
R. R. Warner
Keyword(s):  
Stratum Corneum ◽  
Human Skin ◽  
Element Concentration ◽  
Skin Barrier ◽  
Barrier Properties ◽  
Brick Wall ◽  
Inorganic Elements ◽  
Dry Skin ◽  
Skin Biopsies ◽  
Intercellular Lipid

Keratinocytes undergo maturation during their transit through the viable layers of skin, and then abruptly transform into flattened, anuclear corneocytes that constitute the cellular component of the skin barrier, the stratum corneum (SC). The SC is generally considered to be homogeneous in its structure and barrier properties, and is often shown schematically as a featureless brick wall, the “bricks” being the corneocytes, the “mortar” being intercellular lipid. Previously we showed the outer SC was not homogeneous in its composition, but contained steep gradients of the physiological inorganic elements Na, K and Cl, likely originating from sweat salts. Here we show the innermost corneocytes in human skin are also heterogeneous in composition, undergoing systematic changes in intracellular element concentration during transit into the interior of the SC.Human skin biopsies were taken from the lower leg of individuals with both “good” and “dry” skin and plunge-frozen in a stirred, cooled isopentane/propane mixture.

Treat Skin Barrier in Hand Dermatitis

2009 ◽  
Vol 40 (12) ◽  
pp. 26
Author(s):  
SHERRY BOSCHERT
Keyword(s):  
Skin Barrier ◽  
Hand Dermatitis

Treatment of Pilonidal Sinus by Limberg Flap-Only Hope of Cure (Study of 50 Cases)

2020 ◽  
Vol 22 (2) ◽  
pp. 89-94
Author(s):  
Nasir Uddin Mahmud ◽  
ABM Khurshid Alam ◽  
Mohammad Altaf Hossain Chawdhury ◽  
Mohammad Abul Khair
Keyword(s):  
Pilonidal Sinus ◽  
Skin Barrier ◽  
Limberg Flap ◽  
College Hospital ◽  
Medical College ◽  
Flap Technique ◽  
Unpleasant Smell ◽  
Lower Morbidity ◽  
Computer Operator

Background : Pilonidal sinus was first described by Dr. A.W. Anderson in 1847 and is often seen in the intergluteal region. It is a disease of mainly younger male and rarely affects after 40. Main causes for the formation of this sinus are hirsutism, sweating in the area, repeated maceration due to trauma, leading to breakage of the skin barrier, attracting hair inside which initiates a foreign body reaction leading to infection with abscess or sinus formation. Most common embarrassing situation is discharging sinus. The diagnosis is mainly on clinical ground. Though there are a lot of modalities of treatment but recurrence is still a challenge. We have adopted Limberg flap technique since 2012 with a least recurrent chance. Objectives : To prove that this procedure will be end up with lower morbidity & least chance of recurrence Methods : This prospective study was done jointly by the Department of Surgery of Central Medical College and Comilla Medical College Hospital. In this series 50 patients were selected from July 2012 to June 2017. Results : Out of 50 patients operated by Limberg flap technique 42(84%) were males and 8(16%) were females. Mean age was 27.3 years (range 18–37years). Of them,12(24%) were driver, 6(12%) police, 6(12%) teacher, 6(12%) student, 5(10%) worker, 4(8%) millitary army, 4(8%) housewife, 4 (8%)service holder, 2(4%) computer operator, 1(2%) doctor and 1(2%) were barber. In our study most common mode of presentation were chronic discharging sinuses 15(30%), beside this 12(24%) had multiple sinuses, 10(20%) had multiple pits,7(14%) had acute abscess and 6(12%) had unpleasant smell. Associated hirsutism were present in 30(60%) and absent in 20(40%) patients. One (2%) male patient had wound gap & discharge and six(12%) patients had flap edema. We have found no recurrence in follow up period. Conclusion : Pilonidal sinus is a notoriously recurrent disease, so treatment by this flap technique is the only hope of cure with lower morbidity. Journal of Surgical Sciences (2018) Vol. 22 (2) : 89-94

The Importance of Corneocyte Lipid Envelope in Skin Barrier

2020 ◽  
Vol 82 (3) ◽  
pp. 157-163
Author(s):  
Takahito CHIBA
Keyword(s):  
Skin Barrier

NATURAL COSMETICS IN THE CARE OF YOUNG CHILDREN

2020 ◽  
Vol 99 (6) ◽  
pp. 155-162
Author(s):  
O.B. Tamrazova ◽  
◽  
S.P. Seleznev ◽  
A.V. Tamrazova ◽  
◽  
...  
Keyword(s):  
Skin Barrier ◽  
Structural Features ◽  
Transepidermal Water Loss ◽  
General Information ◽  
Skin Barrier Function ◽  
Skin Physiology ◽  
Main Emphasis ◽  
Antimicrobial Protection ◽  
Irritant Dermatitis ◽  
Adaptive Shifts

The article provides general information about the skin physiology of newborns and infants. Structural features of the skin and main adaptive shifts in newborns, are described. Тhe child has an increase in the skin barrier function of the skin, which prevents transepidermal water loss; active synthesis of natural moisturizing factor (NMF) components that control skin hydration; shift of pH to acidic environment; normalization of thermoregulatory functions; enhancement of the photoprotective function; immune restructuring for antimicrobial protection; formation of a normal microbiome. The article describes the consequences of improper skin care of a newborn, using the example of diaper dermatitis, irritant dermatitis, prickly heat and vesiculopustulosis. The importance of using specialized children's cosmetics in caring for an infant is assessed. The basic recommendations for the choice of these products are presented, where the main emphasis is on the choice of products consisting of natural ingredients. Giving preference to natural cosmetics, everyone should carefully study the composition of these products and trust the manufacturers who can guarantee safety of care products for the youngest children.

The Role of Cutaneous Microbiota Harmony in Maintaining a Functional Skin Barrier

2017 ◽  
Vol 1 ◽  
pp. s139 ◽  
Author(s):  
H E Baldwin ◽  
N C Bhatia ◽  
A Friedman ◽  
T Prunty ◽  
R Martin ◽  
...  
Keyword(s):  
Skin Barrier

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