Question 1

What is Cylumen?

Accepted Answer

Cylumen is an AI-powered skincare app that syncs your daily routine to your menstrual cycle. It provides personalized product recommendations, ingredient safety alerts, and hormonal biohacks based on your current cycle phase and skin symptoms.

Question 2

How does cycle-synced skincare work?

Accepted Answer

Your hormones fluctuate across four cycle phases: Menstrual, Follicular, Ovulation, and Luteal. Each phase affects your skin differently — oil production, sensitivity, and breakout risk all change. Cylumen tracks your phase and recommends products and ingredients optimized for where you are in your cycle today.

Question 3

Is Cylumen free to use?

Accepted Answer

Yes, Cylumen is free to start. No credit card is required. Simply create an account, complete your skin profile, and get your first personalized routine within minutes.