A newborn’s skin is vulnerable and delicate, with the infant skin barrier continuing to develop and strengthen during the first year of life. 1 Protection is a key function of the mature skin barrier, acting as a defense against allergens, infections, and irritants. Therefore, caring for and protecting infant skin is important for their overall health.
The skin of infants and young babies is unique compared with that of older children and adults. The outer most layer of skin, known as the epidermis, is 20% thinner in babies and the outer most layer, known as the stratum corneum, is 30% thinner, 2 which increases susceptibility to permeability and dryness. 3
30% Thinner
Stratum corneum
20% Thinner
Epidermis
Dermis
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Babies thinner skin, increased transepidermal water loss (TEWL) and higher body surface to body weight ratio combine to make baby and infant skin a less effective barrier. As a result, it is far more delicate and vulnerable, requiring special care and protection .
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