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Skin Barrier Function in Neonates and Infants

Eung Ho Choi1

  • 1Department of Dermatology, Yonsei University Wonju College of Medicine, Wonju, Korea. choieh@yonsei.ac.kr.

Allergy, Asthma & Immunology Research
|February 3, 2025
PubMed

Insights

Infant skin barrier is immature, making it vulnerable. Proper skincare from birth is crucial for preventing infections and atopic diseases like dermatitis.

Area of Science:

  • Dermatology
  • Neonatal Care
  • Pediatrics

Background:

  • Neonatal and infant skin exhibits distinct structural and functional properties compared to adult skin.
  • Immature skin barrier in early life increases vulnerability to environmental factors, infections, and dehydration.
  • Skin pH undergoes significant changes in neonates and infants, impacting barrier integrity.

Purpose of the Study:

  • To review the characteristics of skin barrier function in neonates and infants.
  • To explore the relationship between skin barrier development and the onset of atopic dermatitis.
  • To provide recommendations for appropriate skincare in early life.

Main Methods:

  • Literature review focusing on skin barrier function in neonates and infants.
  • Analysis of structural and functional differences in early-life skin.
  • Examination of pH-related changes and their impact on barrier integrity.
  • Review of studies linking skin barrier dysfunction to atopic dermatitis.
  • Synthesis of current recommendations for infant skincare.

Main Results:

  • Neonatal and infant skin is thinner, more permeable, and less developed than adult skin.
  • Altered skin pH in early life is a key factor affecting barrier function.
  • Compromised skin barrier integrity is associated with an increased risk of atopic dermatitis.
  • Specific skincare practices are essential for maintaining healthy skin in infants.

Conclusions:

  • The unique characteristics of neonatal and infant skin necessitate specialized care.
  • Maintaining skin barrier integrity from birth is vital for preventing skin conditions and atopic diseases.
  • Adoption of mild, fragrance-free skincare products and tailored regimens is recommended for neonates and infants.

Keywords:
Infantbarrierdermatitis, atopicepidermisnewbornsskin care

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