当身体的毛发自然卷曲向皮肤内生长时，就会产生剃须肿块。
Razor bumps form when hairs curl back on themselves and grow into the skin.
而向皮肤输送更多的血液有助于及时散发体热并预防体温上升到致命高度。
Directing more blood to the skin removes body heat and helps keep your body's temperature from rising to dangerous levels.
结论：空白压敏胶对药物从贮库向皮肤转运有一定程度的阻滞作用。
CONCLUSION: the blank pressure sensitivity adhesive prevented drug from reservoir toward skin, and the transdermal enhancers enhanced the drug releasing speed.
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