The apoptotic index of outer root sheath (ORS) lower part of hair bulb (HB), the dermal sheath (DS) and dermal papilla (DP) of every groups had no difference (P>0.05).

• 结果在对游离毛囊形态检测中，各组毛囊在外根鞘(ORS)，毛球(HB)下部，真皮鞘(DS)及毛乳头(DP)中的凋亡细胞数并无显著性差异(P>0.；05)。