Feather & Bone founder Shubhangini Prakash on the efficiency of motherhood

The night that Shubhangini Prakash went into labor with her second child was the same night she learned about her acceptance into the prestigious Target accelerator — and it started right away. This meant that the owner of the waterless and nontoxic skincare brand Feather & Bone, the products for which she designs and formulates herself, was hard at work from her hospital bed, a brand new baby in her arms.

Now 39, Prakash was inspired to start her skincare line after battling a bad reaction...