What is the skin barrier of an infant? 

Barrier Function and Water-Holding and Transport Properties of infant Stratum Corneum are different from adult and continue to develop through the first year of life. Skin water barrier development begins in utero and is believed to be complete by week 34 of gestational age. 

When do babies develop skin barriers? 

During the late fetal period (20 weeks to birth), skin becomes functional and develops a protective barrier. Although full-term infants are born with a competent skin barrier, their skin is still developing through the first year of life. 

What are the 3 skin barriers? 

The skin is the body’s largest organ and it’s also the first line of defense to the outside world. It is made up of three main layers: the hypodermis (deepest layer), the dermis (middle layer) and the epidermis (upper layer). 

When is your skin barrier fully developed? 

Overall, skin barrier function continues to mature, reaching adult levels of transepidermal water loss (TEWL), lipid compactness, stratum corneum(SC) thickness and corneocyte size by the age of about 6 years.