Circadia Chrono-Calm Serum

Circadia Chrono-Calm Serum is a targeted calming serum designed to bring lasting relief to sensitive, rosacea-prone, and chronically reactive skin. It combines advanced peptides, marine-derived actives, and skin-conditioning botanicals to quiet redness, ease discomfort, and help strengthen skin over time. The formula is fragrance-free, making it well-suited for skin that reacts to even the smallest provocation.

Key Benefits

Reduces Visible Redness and Dilated Capillaries Acetyl tetrapeptide-40 is a targeted peptide that works to reduce the appearance of redness and visible capillaries by addressing vascular reactivity at the skin's surface.

Calms Stinging, Burning, and Irritation Panthenol and beta-glucan work together to soothe active discomfort, including the stinging and burning sensations that often accompany sensitive or flare-prone skin.

Hydrates and Supports the Skin Barrier Sodium hyaluronate and glycerin deliver multi-level hydration, helping skin feel comfortable and less tight while supporting a more resilient protective barrier.

Reinforces Skin Against Future Irritation Alteromonas ferment extract, a marine-derived active, helps condition the skin's response to environmental stressors, supporting long-term resilience rather than just short-term relief.

Delivers Antioxidant and Barrier Defense Tocopherol and Vitis vinifera seed extract provide antioxidant protection against the oxidative stress that can worsen sensitivity, while avena sativa kernel extract offers additional calming and barrier-protective benefits.

If your skin flushes easily, reacts to temperature changes, or never quite feels comfortable in its own surface, the Circadia Chrono-Calm Serum was built with you in mind. It is especially well-suited for those managing rosacea, persistent redness, or visible capillaries that are difficult to address with standard serums.

This serum is also a reliable option for skin that becomes sensitized from environmental exposure, such as wind, sun, or cold weather. If your face feels tight, stings during product application, or shows ongoing diffuse redness, this formula addresses those concerns directly rather than masking them.

Because the formula is fragrance-free and built around gentle yet effective actives, it works well for those who have struggled to find a serum that calms without causing additional irritation. It is appropriate for daily use across all skin types dealing with sensitivity or reactivity.

For skin that flushes with temperature changes or reacts quickly to wind and environmental triggers, try applying Circadia Chrono-Calm Serum to slightly damp skin right after cleansing. The added moisture helps the sodium hyaluronate and glycerin absorb more efficiently, and the calming actives can get to work faster on a well-hydrated surface.

Cleanse and tone first, then apply a few drops of Circadia Chrono-Calm Serum to the face, neck, and chest.

Apply morning and evening for consistent results.

Layer a moisturizer on top to seal in the serum and support additional barrier comfort.

Follow with SPF every morning when using as part of your daytime routine.

We offer free shipping on every order $50+ (just $7 flat-rate below that). Orders placed before 1pm PST Monday through Friday ship out the same day. Orders placed outside of that window are shipped the very next day!

Changed your mind? We get it. That's why our return window is generous: 30 days even if you've opened and tried it, or a full 60 days if it's still sealed. Some exclusions apply. See our full return policy for details.