Related Experiment Video
Updated: May 30, 2026
07:22
A Standardized Procedure of Dressing Management for Toxic Epidermal Necrolysis
Published on: March 14, 2025
Epidermal barrier treatments based on vernix caseosa
Marty O Visscher1, Namrata Barai, Angela A LaRuffa
1Skin Sciences Institute, Division of Neonatology and Pulmonary Biology, Department of Pediatrics, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio 45229, USA. Marty.Visscher@cchmc.org
Skin Pharmacology and Physiology
|August 9, 2011
Summary
Vernix caseosa, a natural skin coating, demonstrated comparable or superior epidermal barrier repair compared to common creams in wound healing models. This suggests vernix-based treatments could effectively aid skin barrier maturation in infants.
Area of Science:
- Neonatal dermatology
- Wound healing research
- Skin barrier function
Background:
- Premature infants possess an immature stratum corneum (SC) barrier, increasing infection risk.
- Topical agents for improving infant skin barrier function have yielded inconsistent results.
- Vernix caseosa's role in epidermal repair is not fully understood.
Purpose of the Study:
- To compare the efficacy of vernix caseosa against standard barrier creams in promoting epidermal barrier repair.
- To evaluate the impact of vernix and various topical treatments on skin hydration and barrier recovery after controlled wounding.
Main Methods:
- Controlled wounding models were utilized, including laser ablation in minipigs and tape stripping in adult human skin.
- Treatments applied included native vernix caseosa, petrolatum-based cream (PBC), oil-in-water cream (OWC), semipermeable film (SP), full occlusion (FO), and no treatment (NO).
- Outcomes measured were barrier recovery rate, moisture accumulation rate (MAT), initial hydration, erythema, and dryness.
Main Results:
- In minipigs, both vernix and PBC enhanced barrier repair compared to no treatment.
- In adult skin models, semipermeable film showed greater recovery than no treatment and full occlusion.
- Vernix demonstrated comparable barrier recovery to PBC and OWC, and superior recovery to full occlusion.
Conclusions:
- Vernix caseosa shows significant potential for promoting epidermal wound healing and SC repair.
- Vernix-based topical formulations may be beneficial for augmenting skin barrier maturation in infants.
- Further research into vernix-based treatments could lead to improved care for premature infants' skin.
Related Concept Videos
01:27Acne Infection
Acne is a multifactorial skin condition primarily affecting adolescents and young adults, with a global prevalence estimated to exceed 75% in this demographic. The condition is characterized by the formation of comedones (blackheads and whiteheads), papules, pustules, nodules, and, in severe cases, cysts, particularly in areas rich in sebaceous glands such as the face, neck, chest, and back. The pathogenesis involves increased sebum production, follicular hyperkeratinization, colonization by...
01:18Surface Membrane Barriers
The skin and mucous membranes serve as the primary line of defense against pathogens by providing both physical and chemical protection. These barriers are essential in preventing the entry and establishment of microbes, thereby maintaining the integrity of the host.
The outer layer of the skin, the epidermis, is a robust barrier comprising layers of closely packed keratinized cells. This dense arrangement prevents microbes from penetrating the body. The periodic shedding of epidermal cells...
The outer layer of the skin, the epidermis, is a robust barrier comprising layers of closely packed keratinized cells. This dense arrangement prevents microbes from penetrating the body. The periodic shedding of epidermal cells...
01:23Hand hygiene
Asepsis is the practice of preventing or breaking the chain of infection. The nurse employs aseptic techniques to prevent the spread of microorganisms and reduce the risk of diseases. Hand hygiene is the cornerstone of aseptic techniques and is classified into medical and surgical asepsis. Medical asepsis includes hand hygiene and the use of gloves. Surgical asepsis, or the sterile technique, refers to practices that render and keep objects and areas free of microorganisms.
Hand washing...
Hand washing...
01:19Clinical Applications of Epidermal Stem Cells
Epidermal stem cells (EpiSCs) are mainly located at the basal layer of the epidermis. These cells repair minor injuries of the skin and replace dead skin cells. However, EpiSCs’ cannot heal severe wounds such as major burns or those from diabetes or hereditary disorders. In such cases, culturing the epidermal stem cells from the patient is possible and has yielded successful treatment options, such as laboratory-grown skin grafts. These grafts are synthesized using a patient’s own EpiSCs...
01:12Renewal of Skin Epidermal Stem Cells
The skin is divided into epidermis, dermis, and hypodermis, the skin's outermost, middle, and inner layers. The human epidermal layer regularly undergoes renewal, where old, dead cells are replaced by new cells. Epidermal stem cells or EpiSCs divide and differentiate to restore the lost cells. For the renewal process, some EpiSCs continuously self-renew. In contrast, few others differentiate into transit-amplifying cells, which later form prickle or spinous cells, followed by granular cells,...
01:21Layers of the Epidermis
The epidermis, the outermost layer of the skin, is composed of several distinct layers. From deep to superficial, the layers of the epidermis are as follows:
Stratum Basale
Stratum basale, also known as the stratum germinativum, is the deepest layer of the epidermis. It is composed of a single layer of actively dividing cells called basal cells or basal keratinocytes. These cells constantly undergo cell division to replenish the upper layers of the epidermis. Additionally, melanocytes, which...
Stratum Basale
Stratum basale, also known as the stratum germinativum, is the deepest layer of the epidermis. It is composed of a single layer of actively dividing cells called basal cells or basal keratinocytes. These cells constantly undergo cell division to replenish the upper layers of the epidermis. Additionally, melanocytes, which...