Tool
Frequency Calculator
Pick your product strength to get a sensible ramp-up plan.
- 1Weeks 1–22 nights / week
- 2Weeks 3–43 nights / week
- 3Week 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.
