Skin SciencesQuestion 33 of 100
An esthetician explains to a client why a superficial peel cannot 'remove' a deep wrinkle. Which layer holds the collagen and elastin that determine skin firmness?
a.The stratum corneum
b.The subcutaneous layer
c.The stratum granulosum
d.The dermis, particularly the reticular layer
Explanation
Collagen and elastin fibers, blood vessels, nerve endings, and appendages sit in the dermis, with the reticular layer holding the dense structural network. Superficial peels act only on the epidermis, so they improve texture and tone but cannot rebuild dermal structure. The corneum and granulosum are epidermal, and the subcutaneous layer is fat and connective tissue below the dermis.
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