30 Years of Exceptional Glow

Discover why this Niacinamide serum has been a best-seller for 30 years.

The inception of this Niacinamide Formulation began over 30 years ago and remains one of RATIONALE’s most beloved serums. Its unparalleled efficacy in improving skin texture, and brightening the complexion has earned the trust of countless Clients globally.

Formulation Facts

Suitable for all skin types, this lightweight serum supports skin barrier defence with a proprietary Complex of B-Group vitamins, restoring radiance as it amplifies hydration.
This unique Complex of B-Group Vitamins enhances skin resilience and strengthens barrier function. The complexion appears calmer, as redness reduced.

Number One For a Reason

#1 The Serum has a unique blend of the highest-quality ingredients to ensure optimal absorption and results. The B-group Vitamin Complex found in the Resilience Collection delivers a broader range of benefits to the skin compared to Niacinamide alone. This enhances the Formulation's ability to target all skin types and various conditions.

Together, these vitamins work synergistically to strengthen the skin's barrier, enhance moisture retention, visibly reduce redness and brighten uneven skin tone for a healthier complexion.

Tailored for All Skin Needs

Enhances moisture retention to visibly improve dehydration, fine lines and wrinkles.

Brightens appearance of hyperpigmentation.

Strengthen skin's barrier and visibly calm redness to reduce the appearance of blemishes and congestion.

#1 The Serum

Begin your AM Ritual with this glow-giver.

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