ex·fo·li·ate 
(ĕks-fōlē-āt′)
(ĕks-fōlē-āt′)v. ex·fo·li·at·ed, ex·fo·li·at·ing, ex·fo·li·ates
v.tr.
1. To remove (a layer of bark or skin, for example) in flakes or scales; peel.
2. To cast off in scales, flakes, or splinters.
v.intr.
To come off or separate into flakes, scales, or layers.
[Latin exfoliāre, exfoliāt-, to strip of leaves : ex-, ex- + folium, leaf; see bhel-3 in the Appendix of Indo-European roots.]
ex·fo′li·ation n.
ex·foli·a′tive adj.
ex·foli·a′tor n.