Rationale #1 The Serum

$206.00 Sale Save
Size 30ml

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A lightweight, water-based morning serum formulated to fortify and calm the skin barrier. Powered by a targeted B-Group Vitamin Complex, soothing botanicals, and peptides, this professional-grade serum restores hydration, reduces redness, and builds resilience—making it an essential step in your daily skincare ritual.

  • Strengthens the skin’s protective barrier
  • Hydrates and plumps for a smooth, radiant complexion
  • Calms visible redness and irritation
  • Enhances skin resilience against environmental stressors
  • Promotes even skin tone and clarity
  • Compromised skin barrier
  • Sensitivity, redness, or irritation
  • Dehydration and dullness
  • Blemish-prone skin
  • Uneven skin tone and early signs of ageing

Suitable for all skin types, including:

  • Dry
  • Sensitive or reactive
  • Congested
  • Oily or combination
  • Ageing or dehydrated
  1. Apply each morning to freshly rinsed skin (no cleanser required)
  2. Dispense 2–3 drops into palms and press gently into the face, neck, and décolletage
  3. Follow with hydrating serums, moisturiser, and SPF
  4. Use as the first step in your morning routine

Key Ingredients:

  • B-Group Vitamin Complex (including Niacinamide) – Strengthens the skin barrier, brightens tone, and reduces inflammation
  • Peptides – Support skin structure and encourage a smooth, refined texture
  • Soothing Botanicals – Calm sensitive skin and reduce reactivity

All Ingredients:

Formulated with a base of hydrating agents including glycerin, aloe vera, sodium hyaluronate, and rose water. Also includes ceramides, squalene, collagen amino acids, and natural plant extracts. Free from parabens, sulphates, silicones, and artificial fragrances. Designed for use on sensitive and compromised skin.