Tool

Frequency Calculator

Pick your product strength to get a sensible ramp-up plan.

  1. 1
    Weeks 1–2
    2 nights / week
  2. 2
    Weeks 3–4
    3 nights / week
  3. 3
    Week 5+
    4–5 nights / week if tolerated

Reduce frequency at the first sign of persistent redness, tightness, or stinging. Daily SPF 30+ is non-negotiable when using glycolic acid.