#5 The Milk Concentrate
#5 The Milk Concentrate
#5 The Milk Concentrate
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Step 5: Clarity
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This Collection delivers a proprietary suite of Hydroxy Acids and Peptides to recalibrate the skin’s pH—for a refined, clear complexion.

#5 The Milk Concentrate

Calming serum for combination skin types.

30ml

$214.00

This gently nourishing serum recalibrates skin pH balance with a unique Microbiome Complex, evening out skin tone and texture while promoting skin calmness.

Benefits
Plus
Minus
Visibly calms
Enhances radiance
Smoothing
Targets
Plus
Minus
Dryness
Dehydration
Fine lines and wrinkles
Ingredients
Plus
Minus
Aqua (Water), Propanediol, Octyldodecanol, Methylpropanediol, C10-18 Triglycerides, Polyglyceryl-6 Distearate, Glycerin, Caprylyl Glycol, Sodium Stearoyl Glutamate, Jojoba Esters, Xanthan Gum, Zinc PCA, Cetyl Alcohol, Polyglyceryl-3 Beeswax, Melaleuca Alternifolia (Tea Tree) Leaf, Mentha Australis Leaf Extract, Phenylpropanol, Piroctone Olamine, Butylene Glycol, Yeast Extract, Citrus Australasica Fruit Extract, Citrus Aurantium Dulcis (Orange) Oil, Ceteareth-25, Citrus Aurantium Bergamia (Bergamot) Fruit Oil, Citrus Grandis (Grapefruit) Peel Oil, Citrus Limon (Lemon) Peel Oil, Litsea Cubeba Fruit Oil, Citrus Aurantium Bergamia (Bergamot) Leaf Oil, Juniperus Mexicana Oil, Pelargonium Graveolens Oil, Pentylene Glycol, Citrus Aurantium Amara (Bitter Orange) Flower Oil, Eugenia Caryophyllus (Clove) Leaf Oil, Magnesium Aspartate, Zinc Gluconate, Sodium Benzoate, Polylysine, Soy Amino Acids, Potassium Sorbate, Citric Acid, Phenoxyethanol, Behenic Acid, Ceramide NP, Cholesterol, Copper Gluconate, Ceramide NS, Glycine, Serine, Glutamic Acid, Ceramide AP, Ceramide EOP, Ceramide EOS, Aspartic Acid, Leucine, Caprooyl Phytosphingosine, Caprooyl Sphingosine, Alanine, Lysine, Arginine, Tyrosine, Phenylalanine, Proline, Threonine, Valine, Isoleucine, Histidine, Limonene, Citral

Complimentary The HydraCalm Light Crème with orders over $500.

Take the Skin Questionnaire

Discover your personalised skincare Ritual.

 Book a Consultation

Connect with an Online Skin Therapist.
Aqua (Water), Propanediol, Octyldodecanol, Methylpropanediol, C10-18 Triglycerides, Polyglyceryl-6 Distearate, Glycerin, Caprylyl Glycol, Sodium Stearoyl Glutamate, Jojoba Esters, Xanthan Gum, Zinc PCA, Cetyl Alcohol, Polyglyceryl-3 Beeswax, Melaleuca Alternifolia (Tea Tree) Leaf, Mentha Australis Leaf Extract, Phenylpropanol, Piroctone Olamine, Butylene Glycol, Yeast Extract, Citrus Australasica Fruit Extract, Citrus Aurantium Dulcis (Orange) Oil, Ceteareth-25, Citrus Aurantium Bergamia (Bergamot) Fruit Oil, Citrus Grandis (Grapefruit) Peel Oil, Citrus Limon (Lemon) Peel Oil, Litsea Cubeba Fruit Oil, Citrus Aurantium Bergamia (Bergamot) Leaf Oil, Juniperus Mexicana Oil, Pelargonium Graveolens Oil, Pentylene Glycol, Citrus Aurantium Amara (Bitter Orange) Flower Oil, Eugenia Caryophyllus (Clove) Leaf Oil, Magnesium Aspartate, Zinc Gluconate, Sodium Benzoate, Polylysine, Soy Amino Acids, Potassium Sorbate, Citric Acid, Phenoxyethanol, Behenic Acid, Ceramide NP, Cholesterol, Copper Gluconate, Ceramide NS, Glycine, Serine, Glutamic Acid, Ceramide AP, Ceramide EOP, Ceramide EOS, Aspartic Acid, Leucine, Caprooyl Phytosphingosine, Caprooyl Sphingosine, Alanine, Lysine, Arginine, Tyrosine, Phenylalanine, Proline, Threonine, Valine, Isoleucine, Histidine, Limonene, Citral

The Results

At RATIONALE, we’re pleased to report the proportion of participants who observed the following improvements in their skin after use of #5 The Milk concentrate* :

100% reported ↑ Skin calmness
96% reported ↑ Glow
90% reported ↑ Smooth texture
*Based on a 28-day trial with 21 participants

The Ritual

Dispense 2–3 drops into palm.

Gently smooth 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. 

Discover More

The Research

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.

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