With endless product noise online, expert guidance is the fastest route to visible, lasting skin improvement. In our latest newsletter, we explain why working with a medical therapist or doctor matters: they diagnose your skin over time, prescribe the right actives and build a progressive plan so powerful ingredients are used safely and effectively. Learn when to introduce retinol, which vitamin C suits sensitive skin, how growth-factor concentrates speed repair, and why professional-grade glycolic protocols beat guesswork.