Online Appendix 2. Characteristics of included studies Article title: Skin barrier function in infancy: a systematic review Journal: Archives of Dermatological Research Authors: Laine Ludriksone*, Natalie Garcia Bartels*, Varvara Kanti, Ulrike Blume-Peytavi, Jan Kottner * Both authors contributed equally to this paper. Corresponding author: Priv.-Doz. Dr. med. Natalie Garcia Bartels, M.D. Charité-Universitätsmedizin Berlin Department of Dermatology and Allergy Clinical Research Center for Hair and Skin Science Email: [email protected] 1 Online Appendix 2. Characteristics of included studies Author (year) Study -ID Country Time frame/ season Sample n Mean age (SD) in weeks Female (n) Skin type, ethnic origin 22 Cunico (1977) [4] 1 USA - 0.3 - - 35 9 Hammarlund (1977) [11] 2 Sweden - Other characteristics Healthy infants; n = 7 small for gestational age (SGA) Measured parameter TEWL 19 - Healthy infants TEWL 9 Hammarlund (1980) [12] 3 Sweden - 14 0.1 8 - Healthy small for gestational age infants TEWL Rutter (1979) [28] 31 UK - 36 0.4 - - Healthy infants TEWL Rutter (1979) [27] 35 UK - 32 0.8 - - Healthy infants TEWL Örsmark (1980) [25] 4 USA - 13 0.3 5 - Healthy infants TEWL - Most infants were well when studied; n = 5 small for gestational age (SGA) TEWL Harpin (1983) [13] 32 UK - 20 1.0 - 2 Ambient temperature: 23.3°C; Relative humidity: 50% Ambient temperature: 26.3°C 6 0.1 Measurement conditions and procedures Infants placed in an incubator; Ambient temperature 32.1-36.5 C; Relative humidity: 50% Infants placed in an incubator; Ambient temperature 33.6 (SD 0.8) C; Relative humidity: 2060% Infants placed in an incubator; Ambient temperature 34.2 C; Relative humidity: 2060% Infants placed in an incubator; Ambient temperature 31.1 (SD 0.5) C; Relative humidity: 47 (5)% Infants placed in an incubator; Ambient temperature: 24.9 -29.9 C; Relative humidity: 2658% Ambient temperature: 24.4 (SD 0.5) °C Infants studied under neutral thermal conditions in unhumidified incubators or cots; Relative humidity: 32- Comments Mean age recalculated based on ranges; Infants bathed 6-10h prior to measurements Infant skin not washed or wiped prior to measurements - Mean age recalculated based on ranges Mean age recalculated based on ranges - Mean age recalculated based on ranges Online Appendix 2. Characteristics of included studies Strömberg (1983) [31] Braun (1986) [2] Kahn (1987) [16] Kahn (1987) [17] 5 6 7 34 Sweden Austria Belgium Belgium - 15 0.0 (0.0) 6 2.4 (1.0) 3 5.3 (0.6) - - 8 - 4 19.3 (4.6) 3 35.7 (3.5) 8 10.5 (3.3) 5 110 13.0 (8.4) 56 - - Healthy infants No skin diseases Healthy infants 11.2 (12.4) 34 Only results with a corresponding body temperature 37.0 C included skin surface pH - Mean values of measurements performed on two consecutive days; Measurements on day 2 assessed approximately 24 h after bathing the infant with a syndet TEWL Ambient temperature: 23 -25 C; Relative humidity: 30%; Continuous 10 min TEWL reading Skin of infants not touched or washed prior to measurements TEWL Ambient temperature: 23 -25 C; Relative humidity: 30% Skin of infants not touched or washed prior to measurements Ambient temperature: 26 C; Relative humidity: 52% Infants placed in an incubator; Ambient temperature: 32.7 (SD 0.6) °C; Relative humidity: 50% (SD 1%); Acclimatization 30 min Ambient temperature: 21 °C; Relative humidity: 2045% Measurements performed more than 2 hours after bathing Healthy infants; normal skin 1982 - 1985 80 TEWL 57% Infants placed in an incubator; Ambient temperature 36.6 C; Relative humidity: 50% Siblings of infants who had died of SIDS; normal skin Saijo (1991) [29] 33 Japan Summer 46 0.4 - - Healthy infants TEWL Kjartansson (1992) [20] 8 Sweden - 10 0.6 - - Infants with hyperbilirubinaemi a, otherwise healthy TEWL Tollesson (1993) [32] 9 Sweden - 25 15.0 11 - Healthy infants TEWL Priestley (1996) [26] 10 Scotland - 302 34.8 - - Infants free from psoriasis, ichthyosis, or skin surface pH 3 - Mean age recalculated based on ranges Mean age recalculated based on ranges Mean age recalculated based on ranges Online Appendix 2. Characteristics of included studies other significant eruptions in the diaper area Iliev (1998) [15] Visscher (2000) [34] 11 12 Switzerland USA - - 20 39.1 31 0.1 0.6 1.0 2.0 3.0 4.0 11 20 - White n = 29 Black n = 2 No skin diseases Healthy infants skin surface pH - Mean age recalculated based on ranges skin surface pH Measurements on day 4, 7, 14, 21 and 29 performed at home; Measurements performed 25 min after diaper removal Follow-up of the same cohort over the first 4 weeks of life TEWL; skin surface pH Ambient temperature: 22-24°C; Room humidity: 50%; Acclimatization 15 min Measurements performed on the first and second day of life; Infants washed after birth with a wet towel and tap water TEWL; skin surface pH Ambient temperature: 20.4-24°C; Room humidity: 45-50%; Acclimatization 10 min; No skin care product application at least 12 h prior to measurements - 0.1 Yosipovitch (2000) [36] 13 Israel - 41 20 - Healthy infants 0.2 Giusti (2001) [10] Hoeger (2002) [14] Visscher (2002) [33] 14 15 16 Italy Germany USA May, June, September 1999 February 1997 – February 1998 July 1997 – October 1997 70 62.1 (28.9) 180 0.4 163 4.3 179 12.9 52 19.1 (16.1) 45 - - - Caucasian White n = 47 Black n = 4 Asian n = 1 4 Healthy infants; No skin diseases Healthy infants Healthy infants; No eczema, congenital skin diseases or diaper dermatitis skin surface pH TEWL Ambient temperature: 21.6°C (SD 1.5°C); Ambient humidity: 46.4 (SD 7.45) %; No bathing at least 14 hours prior to measurements; Ambient temperature: 26 C; Relative humidity: 45%; Measurements preformed 17-18 min after diaper removal No use of diaper wipes, bathing products, ointments, creams or powders at least 24 h Follow-up of the same cohort over the first 90 days of life; Bathing frequency 1-2 times per week in clear water; Use of moisturizer discouraged - Online Appendix 2. Characteristics of included studies prior to measurements skin surface pH Room temperature and relative humidity and outside conditions recorded daily Measurements performed on the first two days of life; Vernix caseosa retained n = 30 infants; n = 30 infants wiped with a cotton towel to remove the vernix caseosa; Infants bathed with a syndet after the initial measurements TEWL Ambient temperature: 21 (SD 1) C; Relative humidity: 50 (SD 3) %; Acclimatization 10 min Follow-up of the same cohort over the first 6 months TEWL Measurements performed in a windowless room maintained at constant temperature; No use of moisturizers at least 24 h prior to measurements - 0.0 Visscher (2005) [35] 17 USA November 2001 – April 2003 60 - - Healthy infants - n = 15 with atopic family history; n = 5 without atopic family history - No personal history of atopic diseases, any skin disease, fever, and steroid or immunosuppressiv e therapy within the last 2 months; Parental history of atopy n = 12 0.1 Kikuchi (2006) [19] Boralevi (2008) [1] Nikolovski (2008) [24] Garcia Bartels (2009) [7] 18 19 20 21 Japan France USA Germany October 1999 – December 2000 May 2002 – June 2004 (no TEWL assessment during summer June to September) 0.7 20 4.4 13.0 26.1 30 30.4 (10.4) 19 19.6 - October 2005 – April 2006 - 31 41.3 57 0.3 48 1.0 13 - Caucasian; Fair complexioned 25 Caucasian n = 50; Non-Caucasian n = 7 - - 5 Healthy infants; No history of skin disorders Healthy infants; No present skin diseases; Family history of skin diseases n = 32 TEWL TEWL; skin surface pH Ambient temperature: 20-25°C; Relative humidity: 40%; Acclimatization 15 min; No skin care products at least 24 h prior to measurements Ambient temperature 21.9- 29.9°C; Relative humidity: 23.850.5% Acclimatization 10 min with the infant partly undressed; Mean age recalculated based on ranges Follow-up of the same cohort over the first 4 weeks of life Washing 2 h pp with a wet towel and tap water; Infants bathed/washed Online Appendix 2. Characteristics of included studies 44 64 16 Garcia Bartels (2010) [9] Garcia Bartels (2011) [8] 22 23 Germany Germany 4.0 0.3 2.0 - - 32 Caucasian n = 61 Non-Caucasian n = 3 Healthy infants; No present skin diseases; Maternal history of AD n = 3; Paternal history of AD n = 3 8 Caucasian n = 14 Non-Caucasian n = 2 Maternal history of AD n = 2; Paternal history of AD n = 1 October 2006 – May 2007 September 2009 – December 2009 TEWL; skin surface pH 16 4.0 8 Caucasian n = 14 Non-Caucasian n = 2 Maternal history of AD n = 2; Paternal history of AD n = 1 16 8.0 8 Caucasian n = 14 Non-Caucasian n = 2 Maternal history of AD n = 2; Paternal history of AD n = 1 44 24 19.6 25.6 21 11 Phototype according to Fitzpatrick: I (n = 4) II (n = 25) III (n = 8) IV (n = 4) V (n = 3) Phototype according to Fitzpatrick: I (n = 2) 6 Healthy infants; Maternal history of AD n = 14; Paternal history of AD n = 3 Maternal history of AD n = 10; Paternal history of TEWL; skin surface pH Infants were at rest during measurements; No skin care at least 12 h prior to measurements with tap water two times per week from day 7 of life; Use of skin care products discouraged Room temperature and humidity were recorded with standard devices; Acclimatization 5-10 min; No skin care at least 12 h prior to measurements Follow-up of the same cohort over the first 8 weeks of life; Infants bathed with clear water two times per week from day 7 of life Mean age recalculated based on ranges; Follow-up of the same group over 6 weeks Online Appendix 2. Characteristics of included studies II (n = 14) III (n = 6) IV (n = 0) V (n = 2) Cuevas Guaman (2011) [3] 30 USA September 2008 – November 2009 0.1 68 Lavender (2011) [21] Liu (2011) [23] Stamatas (2011) [30] 24 25 26 UK China USA - May 2008 – June 2008 26 African American n = 40 Healthy infants 57 White British n = 82 Black Minority Ethnic n=2 Mixed Race n = 6 Other n = 1 Missing n = 9 Healthy infants; n = 27 family history of atopic eczema n = 14 family history of atopic eczema TEWL - Measurements performed on the first and second day of life TEWL; skin surface pH Follow-up assessments partly conducted at home environment Follow-up of the same cohort over the first 8 weeks of life; Infants being bathed minimum 3 times per week requested TEWL Measurements performed in home environment; No bathing on the morning of the scheduled measurements Exclusive use of cloth diapers for at least 7 days before enrollment TEWL; skin surface pH Ambient temperature: 20-22 C; Relative humidity: 50%; Acclimatization 15 min without diaper; No product application on the diaper area or upper leg at least 24 h prior to measurements Mean age recalculated based on ranges 0.3 100 November 2008 – November 2009 AD n = 2 0.1 51 4.0 30 White British n = 47 Mixed Race n = 4 Other n = 2 51 8.0 30 White British n = 47 Mixed Race n = 4 Other n = 2 n = 14 family history of atopic eczema Asian Healthy infants; No evidence of chronic dermatological conditions or common childhood diseases 694 35 24.0 58.7 335 - Caucasian 7 Healthy infants; n = 16 very mild to moderate diaper dermatitis Online Appendix 2. Characteristics of included studies 18 Fluhr (2012) [5] 27 Germany March 2009 – September 2009 18 0.7 (0.6) 5.3 (0.5) - 18 24.0 (2.4) 18 62.6 (22.4) - Healthy infants, no present and/or past history of skin disease TEWL; skin surface pH 0.3 Garcia Bartels (2012) [6] 28 Germany May 2007 – October 2007 40 2.0 20 Caucasian Healthy infants TEWL; skin surface pH Ambient temperature: 20 (SD 2) C; Relative humidity: 50 (SD 10)%; Acclimatization 30 min with test sites uncovered; No cosmetic and topical medications at the test sites at least 3 days prior to measurements Ambient temperature: 26 (SD 1) C; Relative humidity: 50%; Acclimatization 5-10 min with the diaper removed; 4.0 254 Lavender (2012) [22] 29 UK 130 Kelleher (2013) [18] 36 Ireland 0.1 103 February 2010 – October 2010 June 2009 – October 2011 1036 4.0 0.3 55 - White British n = 128 White other n = 14 Asian n = 50 Black n = 45 Other n = 17 White British n = 64 White other n = 7 Asian n = 25 Black n = 21 Other n = 13 Small number of infants not of white European descent 8 Healthy infants Healthy infants born to primiparous mothers Follow-up of the same cohort over the first 4 weeks of life; Bathing in clear water without a cleanser twice per week; No additional skin care TEWL; skin surface pH Initial measurements performed in the hospital, follow-up assessment conducted at home Follow-up of the same cohort over the first 4 weeks of life; Cleansing of the nappy area with cotton wool and water TEWL Exposing of the measurement site in a non-environmentally controlled room for 10 min and in an environmentally controlled room (ambient temperature: 20-25 C; relative humidity: 3045%) for further 5 min at the maternity ward Mean age recalculated based on ranges; Part of infants washed prior to measurements: no significant difference in TEWL values to the not washed infants Online Appendix 2. Characteristics of included studies 1. Boralevi F, Hubiche T, Leaute-Labreze C, Saubusse E, Fayon M, Roul S, Maurice-Tison S, Taieb A (2008) Epicutaneous aeroallergen sensitization in atopic dermatitis infants - Determining the role of epidermal barrier impairment. Allergy: European Journal of Allergy and Clinical Immunology 63 (2):205-210 2. Braun F, Lachmann D, Zweymuller E (1986) The influence of a synthetic detergent (Syndet) on the skin pH of infants. [German] Der Einfluss Eines Synthetischen Detergens (Syndet) Auf Das Ph Der Haut Von Sauglingen. Hautarzt 37 (6):329-334 3. Cuevas Guaman M, Hamm C (2011) Skin maturity measured by transepidermal water loss: A comparison between late-preterm and term infants. Journal of Investigative Medicine 59 (2):526 4. Cunico RL, Maibach HL, Khan H, Bloom E (1977) Skin barrier properties in the newborn. Transepidermal water loss and carbon dioxide emission rates. Biology of the Neonate 32 (3-4):177-182 5. Fluhr JW, Darlenski R, Lachmann N, Baudouin C, Msika P, De Belilovsky C, Hachem JP (2012) Infant epidermal skin physiology: adaptation after birth. British Journal of Dermatology 166 (3):483-490. doi:10.1111/j.1365-2133.2011.10659.x 6. Garcia Bartels N, Massoudy L, Scheufele R, Dietz E, Proquitte H, Wauer R, Bertin C, Serrano J, Blume-Peytavi U (2012) Standardized diaper care regimen: A prospective, randomized pilot study on skin barrier function and epidermal IL-1alpha in newborns. Pediatric Dermatology 29 (3):270-276 7. Garcia Bartels N, Mleczko A, Schink T, Proquitté H, Wauer RR, Blume-Peytavi U (2009) Influence of bathing or washing on skin barrier function in newborns during the first four weeks of life. Skin Pharmacology and Physiology 22 (5):248-257 8. Garcia Bartels N, Rosler S, Martus P, Stroux A, Lonnfors S, Reisshauer A, Blume-Peytavi U (2011) Effect of baby swimming and baby lotion on the skin barrier of infants aged 3-6 months. Journal der Deutschen Dermatologischen Gesellschaft 9 (12):1018-1025 9. Garcia Bartels N, Scheufele R, Prosch F, Schink T, Proquitté H, Wauer RR, BlumePeytavi U (2010) Effect of standardized skin care regimens on neonatal skin barrier function in different body areas. Pediatric Dermatology 27 (1):1-8 10. Giusti F, Martella A, Bertoni L, Seidenari S (2001) Skin barrier, hydration, and pH of the skin of infants under 2 years of age. Pediatric Dermatology 18 (2):93-96. doi:10.1046/j.1525-1470.2001.018002093.x 11. Hammarlund K, Nilsson GE, Oberg PA, Sedin G (1977) Transepidermal water loss in newborn infants. I. Relation to ambient humidity and site of measurement and estimation of total transepidermal water loss. Acta Paediatrica Scandinavica 66 (5):553-562 12. Hammarlund K, Sedin G (1980) Transepidermal water loss in newborn infants. IV. Small for gestational age infants. Acta Paediatrica Scandinavica 69 (3):377-383 13. Harpin VA, Rutter N (1983) Barrier properties of the newborn infant's skin. Journal of Pediatrics 102 (3):419-425 14. Hoeger PH, Enzmann CC (2002) Skin physiology of the neonate and young infant: A prospective study of functional skin parameters during early infancy. Pediatric Dermatology 19 (3):256-262. doi:10.1046/j.1525-1470.2002.00082.x 15. Iliev D, Bangha E, Elsner P (1998) Effect of a baby whey bath on skin physiology parameters in young children. [German] Einfluss eines Baby-Molke-Bades auf hautphysiologische Parameter bei Kleinkindern. Schweizerische Rundschau fur Medizin Praxis = Revue suisse de medecine Praxis 87 (18):617-621 16. Kahn A, Rebuffat E, Blum D (1987) Continuous transepidermal water loss measurement in sleeping infants. Acta Paediatrica Scandinavica 76 (3):405-410 17. Kahn A, Vandemerckt C, Dramaix M, Magrez P, Blum D, Rebuffat E, Montauk L (1987) Trans-epidermal water-loss during sleep in infants at risk for sudden-death. Pediatrics 80 (2):245-250 9 Online Appendix 2. Characteristics of included studies 18. Kelleher MM, O'Carroll M, Gallagher A, Murray DM, Dunn Galvin A, Irvine AD, Hourihane JO (2013) Newborn Transepidermal Water Loss Values: A Reference Dataset. Pediatric Dermatology 19. Kikuchi K, Kobayashi H, O'Goshi K I, Tagami H (2006) Impairment of skin barrier function is not inherent in atopic dermatitis patients: A prospective study conducted in newborns. Pediatric Dermatology 23 (2):109-113 20. Kjartansson S, Hammarlund K, Sedin G (1992) Insensible water loss from the skin during phototherapy in term and preterm infants. Acta Paediatrica, International Journal of Paediatrics 81 (10):764-768 21. Lavender T, Bedwell C, O'Brien E, Cork MJ, Turner M, Hart A (2011) Infant skincleansing product versus water: A pilot randomized, assessor-blinded controlled trial. BMC Pediatrics 11 (35) 22. Lavender T, Furber C, Campbell M, Victor S, Roberts I, Bedwell C, Cork MJ (2012) Effect on skin hydration of using baby wipes to clean the napkin area of newborn babies: Assessor-blinded randomised controlled equivalence trial. BMC Pediatrics 12 (59) 23. Liu N, Wang X, Odio M (2011) Frequency and severity of diaper dermatitis with use of traditional Chinese cloth diapers: Observations in 3- to 9-month-old children. Pediatric Dermatology 28 (4):380-386 24. Nikolovski J, Stamatas GN, Kollias N, Wiegand BC (2008) Barrier function and waterholding and transport properties of infant stratum corneum are different from adult and continue to develop through the first year of life. The Journal of investigative dermatology 128 (7):1728-1736 25. Orsmark K, Wilson D, Maibach H (1980) In vivo transepidermal water loss and epidermal occlusive hydration in newborn infants: anatomical region variation. Acta dermatovenereologica 60 (5):403-407 26. Priestley GC, McVittie E, Aldridge RD (1996) Changes in skin pH after the use of baby wipes. Pediatric Dermatology 13 (1):14-17. doi:10.1111/j.1442-200X.1996.tb02839.x 27. Rutter N, Hull D (1979) Response of term babies to a warm environment. Archives of disease in childhood 54 (3):178-183 28. Rutter N, Hull D (1979) Water loss from the skin of term and preterm babies. Archives of Disease in Childhood 54 (11):858-868 29. Saijo S, Tagami H (1991) Dry skin of newborn infants: functional analysis of the stratum corneum. Pediatric dermatology 8 (2):155-159 30. Stamatas GN, Zerweck C, Grove G, Martin KM (2011) Documentation of impaired epidermal barrier in mild and moderate diaper dermatitis in vivo using noninvasive methods. Pediatric Dermatology 28 (2):99-107 31. Stromberg B, Hammarlund K, Oberg PA, Sedin G (1983) Transepidermal water loss in newborn infants. IX. The relationship between skin blood flow and evaporation rate in fullterm infants nursed in a warm environment. Acta Paediatrica Scandinavica 72 (5):729-733 32. Tollesson A, Frithz A (1993) Transepidermal water loss and water content in the stratum corneum in infantile seborrhoeic dermatitis. Acta Dermato-Venereologica 73 (1):18-20 33. Visscher MO, Chatterjee R, Ebel JP, LaRuffa AA, Hoath SB (2002) Biomedical assessment and instrumental evaluation of healthy infant skin. Pediatric Dermatology 19 (6):473-481. doi:10.1046/j.1525-1470.2002.00214.x 34. Visscher MO, Chatterjee R, Munson KA, Pickens WL, Hoath SB (2000) Changes in diapered and nondiapered infant skin over the first month of life. Pediatric Dermatology 17 (1):45-51. doi:10.1046/j.1525-1470.2000.01711.x 35. Visscher MO, Narendran V, Pickens WL, LaRuffa AA, Meinzen-Derr J, Allen K, Hoath SB (2005) Vernix caseosa in neonatal adaptation. Journal of Perinatology 25 (7):440-446 36. Yosipovitch G, Maayan-Metzger A, Merlob P, Sirota L (2000) Skin barrier properties in different body areas in neonates. Pediatrics 106 (1):105-108. doi:10.1542/peds.106.1.105 10
© Copyright 2026 Paperzz