#5 The Milk Concentrate

• Calms, clarifies and rejuvenates skin.
• Gently recalibrates skin pH to enhance ongoing clarity.
• Supports skin resilience.
• Skin feels hydrated, softer and more supple.
• A more radiant tone and texture is revealed.

• Smooth gently over face, neck, décolletage and backs of hands each evening. 
• Follow with your RATIONALE Essential Six formulations for night. 

A vibrant, radiant complexion is intimately connected to the pH of the skin’s outermost layer, the Stratum Corneum.

Sensitivity, barrier breakdown, pigmentation and premature ageing are all consequences of environmental damage. These occur as a result of excessive solar exposure, causing the skin’s pH to shift from a healthy acidic state to alkaline, triggering the upregulation of enzymes that break down connective tissue and erode protective barrier structures.

Signalling peptides in human skin direct all metabolic processes, including desquamation (cell turnover), cellular differentiation (cellular function), and hydration. Short-chain protein sequences and ceramides are critical in these intercellular communication processes. 

• Microbiome Complex (Hydroxy Acids + Peptides) – Gently exfoliates, balances pH, and strengthens skin’s microbiome
• Zinc PCA & Zinc Gluconate – Calm inflammation, reduce shine, and support clarity
• Jojoba Esters & Ceramides – Nourish, restore the lipid barrier, and retain moisture
• Amino Acid Blend – Supports skin structure and promotes suppleness

Formulated with skin-loving emollients, natural humectants, and antioxidant-rich botanicals. This formula is free from parabens, sulphates, synthetic fragrance, mineral oils, and harsh preservatives. Subtly scented with naturally derived ingredients to suit even reactive skin types.