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Human Body & Health

If a hydrophobic pollutant disrupts the skin's lipid bilayer, which consequence follows regarding the stratum corneum barrier?

A)Enhanced antimicrobial peptide penetration
B)Increased trans-epidermal water loss
C)Upregulation of filaggrin production
D)Accelerated keratinocyte differentiation cascade

💡 Explanation

Disruption of the lipid bilayer compromises the skin's permeability barrier, because the intercellular lipids prevent excessive water loss. Therefore, increased trans-epidermal water loss occurs, rather than enhanced peptide penetration or altered differentiation, which involve different mechanisms.

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