It really depends on what you’re looking to improve and how consistently you use the Lux Vital.
Because its spectrum targets your nonvisual photoreceptors (Opsins) and UVA-driven pathways, many people feel a shift in mood, alertness, and energy during the very first session, especially if they’re light-deprived or stuck under poor indoor lighting.
When it comes to circadian rhythm alignment, your body can start responding within a few days, but it often takes one to two weeks of daily use for the full effects to set in. That’s when sleep patterns, morning energy, and daytime focus start to feel naturally in sync again.
For deeper seasonal changes like combating winter mood dips the benefits build steadily over three to six weeks as your light environment re-trains your biology.
The key is consistency. Aim to use your device the same time each day. Use too late in the day will push pack sleep, while use too early in the day may leave you sleepy earlier than expected. Adjust use time and duration to your personal situation.