Improves skin texture and fights signs of aging Reduces inflammation and protects the skin's barrier Achieve a healthy, radiant complexion with daily use Our Vitamin D Co-Enzyme Q10 & Vitamin D Serum is a powerful skincare aid that improves skin texture, fights signs of aging, reduces inflammation, and protects the skin's barrier. This lightweight serum can be used twice daily to achieve a healthy, radiant complexion. Always remember to use SPF alongside Vitamin D and avoid mixing it with other AHA's and BHA's for optimal results.