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A curated Essential Six Ritual with fortifying Actives to elevate hydration levels and strengthen skin integrity, as well as superlative solar and environmental protection to prevent further damage.

Your skin naturally has Six Pillars of Skin Health. To optimally support these Pillars, your Ritual should include at least one Formulation from each of The Essential Six Collections.

Your Priority Formulations

To commence your RATIONALE journey, we recommend starting with these two Formulations as a priority for your skin concerns.

Your Priority Formulations

#1 The Serum

#1 The Serum

¥1,224.00

Formulation Details Plus
#4 The Cleanser

#4 The Cleanser

From ¥474.00

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Your AM Ritual 

This system of three Collections provides all your skin’s daily nutrients, for a stronger, brighter and more protected complexion. 

#1 The Serum

#1 The Serum

¥1,224.00

Formulation Details Plus
Supports skin barrier defence with a proprietary Complex of B-Group Vitamins, restoring radiance as it amplifies hydration.
#2 The Light Crème

#2 The Light Crème

¥1,197.00

Formulation Details Plus
Defends skin from oxidative stress with the power of Vitamin C, brightening the complexion while soothing skin.
#3 The Tinted Serum SPF50+

#3 The Tinted Serum SPF50+

¥1,208.00

Formulation Details Plus
Protects skin with proprietary Zinc Fusion technology, safeguarding luminosity while imparting a transparent finish.

Your PM Ritual  

This system of three Collections provides all your skin’s nightly nutrients, for a more hydrated, refined and renewed complexion. 

#4 The Cleanser

#4 The Cleanser

From ¥474.00

Formulation Details Plus
Restores skin barrier function with Intercellular Lipids and Ceramides, comforting the complexion while removing all traces of the day.
#5 The Milk Concentrate

#5 The Milk Concentrate

¥1,268.00

Formulation Details Plus
Recalibrates skin pH balance with a unique Microbiome Complex, evening out skin tone and texture while promoting skin calmness.
#6 The GelCrème

#6 The GelCrème

¥1,317.00

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Supports cellular turnover with Bakuchiol, improving the appearance of fines lines and wrinkles while gently nourishing the complexion.