I used Blueprint serum on half my face for 6 months. Can you tell which side?

tldr; it was the right side- but you can’t tell. There is no noticeable difference. Methodology There was no noticeable difference in skin quality between the two sides of my face. I applied the serum once in the morning when I woke up and once at night before bed. I started on Nov 15, 2025 and ended on April 18th, 2026. I was diligent and probably missed fewer than 10 applications over that…