Skin EssentiA AVST 4 **NOT SUITABLE WHEN PREGNANT**
Step 4. You must be already using AVST 3(ideally for 2 bottles). There is a large jump in the amount of Vitamin A between AVST 3 and AVST4 and peptides are introduced.
When pregnant, you should move back to AVST1 or AVST2 and then progress through the AVST regimen again, when your baby is born.