A Histology of P19 catagen backskin HF of control (Ctr) and Bcl-2EOE mice. RS: retracting strand, Scale bar, 50 µm. B Analysis of length and width of retracting strands of control (Ctr) and Bcl-2EOE mice (n=4; multiple measurements/biological replicate; whiskers: min and max; boxes: median ± first and third quartile; **** p<0.0001, two-tailed unpaired Student's t-test). 