#1 The Strengthening Serum

$206.00

Strengthening Serum 30ml

This sophisticated serum supports skin barrier defence with a proprietary Complex of B-Group vitamins, restoring radiance as it amplifies hydration.

Most suitable for combination skin types.

Strengthening Serum 30ml

This sophisticated serum supports skin barrier defence with a proprietary Complex of B-Group vitamins, restoring radiance as it amplifies hydration.

Most suitable for combination skin types.

The Results

At RATIONALE, we’re pleased to report the proportion of participants who observed the following improvements in their skin after use of #1 The Serum* :


91% reported ↑ Hydration
82% reported ↑ Nourishment
82% reported ↑ Radiance

*Based on a 56-day trial with 22 participants

The Ritual

Dispense 2–3 drops into palm.

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

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

The Research

The skin has its own immune system, with specialised tissues and cells playing a vital role in preventing environmental damage, allergy and disease.

The concept of skin immunity and beauty are exquisitely linked, with a healthy, resilient skin reflected in a clear and even complexion.

The vital processes of cell-to-cell communication and skin barrier function are supported by B-group vitamins and the phospholipid-protein structures of skin’s outermost layer, the Stratum Corneum.