Rationale Skincare – #1 The Serum


The Story

The beauty of resilience—captured.

#1 The Serum intuitively nurtures the resilience innate in human skin, enhancing calmness and clarity day by day. This transformative, lightweight offering is the genesis of daytime radiance and lifelong luminosity.


The Promise

Skin resilience is nurtured.

Calmness and clarity are cultivated.

Brightness and luminosity amplified.


The Ritual

Smooth gently over face, neck, décolletage and backs of hands each morning.

Follow with your RATIONALE Essential Six formulations for day.

To discover how to introduce this formulation into your RATIONALE Ritual, connect with our Team of Skin Consultants.


The Science

Skin’s vital immune responses depend upon the integrity of barrier function and cell-to-cell communication. In human skin, these processes are enhanced by B-Group vitamins and pro-phospholipids.
Categories: ,