Younger looking skin is big business in the United States.  Millions of Botox procedures are performed each year, and many women are looking for a cheaper, less invasive alternative. Serious Skincare offers InstA-Tox as its contribution to the erasing-wrinkles-without-needles movement. Serious Skin Care is a joint effort between esthetician Lesa Stock and model Jennifer Flavin-Stallone.  They began their enterprise as…