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

#5 The Serum

Skin-refining serum for resilient skin.

30ml

£129.00
This advanced serum recalibrates skin's pH balance with a Complex of Hydroxy Acids, evening out skin tone and texture while amplifying radiance.

Use in the PM

Benefits
Plus
Minus
Restores clarity
Enhances radiance
Evens tone
Targets
Plus
Minus
Blemishes and congestion
Hyperpigmentation
Fine lines and wrinkles
Ingredients
Plus
Minus
Aqua (Water), Vaccinium Myrtillus Fruit Extract, Glycerin, Pentylene Glycol, Dimethyl Isosorbide, Lactic Acid, Saccharum Officinarum (Sugar Cane) Extract, Ethoxydiglycol, Citrus Aurantium Dulcis (Orange) Fruit Extract, Citrus Limon (Lemon) Fruit Extract, Ethylhexylglycerin, Lauryl Lactate, Salicylic Acid, Sodium Levulinate, Acer Saccharum (Sugar Maple) Extract, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Diutan Gum, Isohexadecane, Carbomer, Melaleuca Alternifolia (Tea Tree) Leaf, Sodium Anisate, Mentha Australis Leaf Extract, Santalum Spicatum (Sandalwood) Seed Oil, Citrus Aurantium Dulcis (Orange) Oil, Polysorbate 60, Butylene Glycol, 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, Lauryl Alcohol, Citrus Aurantium Amara (Bitter Orange) Flower Oil, Eugenia Caryophyllus (Clove) Leaf Oil, Citrus Australasica Fruit Extract, Sorbitan Isostearate, Magnesium Aspartate, Zinc Gluconate, Sodium Benzoate, Citric Acid, Potassium Sorbate, Copper Gluconate, Glycine, Serine, Glutamic Acid, Aspartic Acid, Leucine, Alanine, Lysine, Arginine, Tyrosine, Phenylalanine, Proline, Threonine, Valine, Isoleucine, Histidine, Limonene, Citral, Linalool
Complimentary

Complimentary Shipping on all orders.

Take the Skin Questionnaire

Discover your personalised skincare Ritual.
Aqua (Water), Vaccinium Myrtillus Fruit Extract, Glycerin, Pentylene Glycol, Dimethyl Isosorbide, Lactic Acid, Saccharum Officinarum (Sugar Cane) Extract, Ethoxydiglycol, Citrus Aurantium Dulcis (Orange) Fruit Extract, Citrus Limon (Lemon) Fruit Extract, Ethylhexylglycerin, Lauryl Lactate, Salicylic Acid, Sodium Levulinate, Acer Saccharum (Sugar Maple) Extract, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Diutan Gum, Isohexadecane, Carbomer, Melaleuca Alternifolia (Tea Tree) Leaf, Sodium Anisate, Mentha Australis Leaf Extract, Santalum Spicatum (Sandalwood) Seed Oil, Citrus Aurantium Dulcis (Orange) Oil, Polysorbate 60, Butylene Glycol, 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, Lauryl Alcohol, Citrus Aurantium Amara (Bitter Orange) Flower Oil, Eugenia Caryophyllus (Clove) Leaf Oil, Citrus Australasica Fruit Extract, Sorbitan Isostearate, Magnesium Aspartate, Zinc Gluconate, Sodium Benzoate, Citric Acid, Potassium Sorbate, Copper Gluconate, Glycine, Serine, Glutamic Acid, Aspartic Acid, Leucine, Alanine, Lysine, Arginine, Tyrosine, Phenylalanine, Proline, Threonine, Valine, Isoleucine, Histidine, Limonene, Citral, Linalool

The Ritual

Dispense 2–3 drops into palm.

Gently smooth over face, neck, décolletage and backs of hands, avoiding the delicate eye area.

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

Discover More

The Research

The pH of the skin’s outermost layer, the Stratum Corneum, is vital to complexion health, vitality and beauty.

The ideal state of the Stratum Corneum is acidic, as these conditions maintain the upregulation of enzymes critical to the synthesis of collagen and elastin (skin connective tissues that provide skin structure and firmness), as well as helping to prevent collagen breakdown, sensitivity, breakouts and infection.

Throughout life, skin becomes more alkaline as a result of intrinsic ageing and environmental damage. This leads to an upregulation of enzymes that break down skin connective tissues, leading to premature ageing, wrinkles and sagging.

Recalibrating and maintaining the acidic pH of skin is possible via a nightly regime of topically applied hydroxy acids which help to reverse the effects of facial ageing and environmental damage.

Find Your Formulation:
pH Recailibration

Explore step five of your Ritual. Choose at least one Formulation from The Clarity Collection, according to your skin type.

#5 The Cleanser

#5 The Cleanser

Benefits

Restores clarity, Hydrates, Visibly calms,

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#5 The Milk Concentrate

#5 The Milk Concentrate

Benefits

Visibly calms, Enhances radiance, Smoothing,

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#5 The GelCrème

#5 The GelCrème

Benefits

Hydrates, Evens tone, Visibly smooths, Restores clarity,

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#5 The Mask

#5 The Mask

Benefits

Evens tone, Restores clarity, Enhances radiance,

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#5 The Serum

#5 The Serum

Benefits

Restores clarity, Enhances radiance, Evens tone,

Shop Now
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Skin Questionnaire