#5 The Cleanser
#5 The Cleanser
#5 The Cleanser

#5 The Cleanser

Skin Refining Cleanser

Clarity is the Fifth Pillar of Skin Health.

The Story

Reveal unbridled clarity and radiance.

Inspiring brilliance in balance, #5 The Cleanser is a potent gel formulation that thoroughly cleanses and rejuvenates skin. A nightly cleansing ritual to refine texture and restore skin clarity.

The Promise

Gently cleanses to remove surface debris and alleviate skin congestion.

Skin feels more hydrated, improving improve skin tone and texture.

Promotes skin brilliance.

Purifies and rebalances skin for enhanced skin clarity.

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 Cleanser* :

82% reported ↑ Hydration
91% reported ↑ Skin comfort
82% reported ↑ Skin calmness
*Based on a 28-day trial with 22 participants

The Clarity Actives

A Complex of Skin Identical Alpha Hydroxy Acids (including Lactic + Citric Acid) refines skin tone and texture while enhancing skin radiance by encouraging optimal desquamation processes to reveal a clearer, more balanced complexion. By recalibrating skin back to acidic levels, AHAs support cellular renewal and connective tissue synthesis, while amplifying skin firmness and hydration.

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Opposite: ‘Amino Acids’
Illustration by Jessie Milligan

Ingredients: Aqua (Water), Glycerin, Pentylene Glycol, Cocamidopropyl Betaine, Decyl Glucoside, Ethoxydiglycol, Sodium Lauroyl Oat Amino Acids, Carbomer, Glyceryl Caprylate, Salicylic Acid, Sodium Hydroxide, Sodium Lauroyl Lactylate, Sodium Chloride, Xanthan Gum, Vaccinium Myrtillus Fruit Extract, Styrene/Acrylates Copolymer, Butylene Glycol, Melaleuca Alternifolia (Tea Tree) Leaf, Citrus Aurantium Dulcis (Orange) Peel Oil, Mentha Australis Leaf Extract, Disodium Coco-Glucoside Citrate, Saccharum Officinarum (Sugar Cane) Extract, Citrus Aurantium Bergamia (Bergamot) Fruit Oil, Citrus Aurantium Dulcis (Orange) Oil, Citrus Grandis (Grapefruit) Peel Oil, Citrus Limon (Lemon) Peel Oil, Litsea Cubeba Fruit Oil, Santalum Spicatum (Sandalwood) Seed Oil, Citrus Limon (Lemon) Fruit Oil, Disodium EDTA, Citrus Aurantium Dulcis (Orange) Fruit Extract, Citrus Limon (Lemon) Fruit Extract, Phenoxyethanol, Mica, Ceteareth-25, Magnesium Aspartate, Zinc Gluconate, Backhousia Citriodora (Lemon Myrtle) Leaf Oil, Citrus Aurantium Bergamia (Bergamot) Peel Oil, Citrus Australasica Fruit Extract, Tetrasodium EDTA, Acer Saccharum (Sugar Maple) Extract, Cetyl Alcohol, Silica, Ethylhexylglycerin, Sodium Benzoate, Citric Acid, Behenic Acid, Ceramide NP, Cholesterol, Copper Gluconate, Potassium Sorbate, Ceramide NS, Glycine, Serine, Glutamic Acid, Tin Oxide, Caprylyl Glycol, Ceramide AP, Ceramide EOP, Ceramide EOS, Aspartic Acid, Leucine, Caprooyl Phytosphingosine, Caprooyl Sphingosine, Alanine, Lysine, Arginine, Tyrosine, Phenylalanine, Proline, Threonine, Valine, Isoleucine, Histidine, Acetyl Hexapeptide-37, Hexapeptide-10, Limonene, Citral, Linalool, CI 77491 (Iron Oxides), CI 77891 (Titanium Dioxide).

The Clarity Actives

Salicylic Acid is a lipid-soluble Beta Hydroxy Acid which enhances skin clarity and texture by decongesting pores and calming irritation and redness.

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Opposite: ‘Amino Acids’
Illustration by Jessie Milligan

Ingredients: Aqua (Water), Glycerin, Pentylene Glycol, Cocamidopropyl Betaine, Decyl Glucoside, Ethoxydiglycol, Sodium Lauroyl Oat Amino Acids, Carbomer, Glyceryl Caprylate, Salicylic Acid, Sodium Hydroxide, Sodium Lauroyl Lactylate, Sodium Chloride, Xanthan Gum, Vaccinium Myrtillus Fruit Extract, Styrene/Acrylates Copolymer, Butylene Glycol, Melaleuca Alternifolia (Tea Tree) Leaf, Citrus Aurantium Dulcis (Orange) Peel Oil, Mentha Australis Leaf Extract, Disodium Coco-Glucoside Citrate, Saccharum Officinarum (Sugar Cane) Extract, Citrus Aurantium Bergamia (Bergamot) Fruit Oil, Citrus Aurantium Dulcis (Orange) Oil, Citrus Grandis (Grapefruit) Peel Oil, Citrus Limon (Lemon) Peel Oil, Litsea Cubeba Fruit Oil, Santalum Spicatum (Sandalwood) Seed Oil, Citrus Limon (Lemon) Fruit Oil, Disodium EDTA, Citrus Aurantium Dulcis (Orange) Fruit Extract, Citrus Limon (Lemon) Fruit Extract, Phenoxyethanol, Mica, Ceteareth-25, Magnesium Aspartate, Zinc Gluconate, Backhousia Citriodora (Lemon Myrtle) Leaf Oil, Citrus Aurantium Bergamia (Bergamot) Peel Oil, Citrus Australasica Fruit Extract, Tetrasodium EDTA, Acer Saccharum (Sugar Maple) Extract, Cetyl Alcohol, Silica, Ethylhexylglycerin, Sodium Benzoate, Citric Acid, Behenic Acid, Ceramide NP, Cholesterol, Copper Gluconate, Potassium Sorbate, Ceramide NS, Glycine, Serine, Glutamic Acid, Tin Oxide, Caprylyl Glycol, Ceramide AP, Ceramide EOP, Ceramide EOS, Aspartic Acid, Leucine, Caprooyl Phytosphingosine, Caprooyl Sphingosine, Alanine, Lysine, Arginine, Tyrosine, Phenylalanine, Proline, Threonine, Valine, Isoleucine, Histidine, Acetyl Hexapeptide-37, Hexapeptide-10, Limonene, Citral, Linalool, CI 77491 (Iron Oxides), CI 77891 (Titanium Dioxide).

The Clarity Actives

Oat Amino Acids gently solubilise and thoroughly remove oil, dirt, debris, sunscreen and makeup residues from the skin’s surface, eliciting a calming effect on skin while boosting hydration and fortifying barrier function.

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Opposite: ‘Amino Acids’
Illustration by Jessie Milligan

Ingredients: Aqua (Water), Glycerin, Pentylene Glycol, Cocamidopropyl Betaine, Decyl Glucoside, Ethoxydiglycol, Sodium Lauroyl Oat Amino Acids, Carbomer, Glyceryl Caprylate, Salicylic Acid, Sodium Hydroxide, Sodium Lauroyl Lactylate, Sodium Chloride, Xanthan Gum, Vaccinium Myrtillus Fruit Extract, Styrene/Acrylates Copolymer, Butylene Glycol, Melaleuca Alternifolia (Tea Tree) Leaf, Citrus Aurantium Dulcis (Orange) Peel Oil, Mentha Australis Leaf Extract, Disodium Coco-Glucoside Citrate, Saccharum Officinarum (Sugar Cane) Extract, Citrus Aurantium Bergamia (Bergamot) Fruit Oil, Citrus Aurantium Dulcis (Orange) Oil, Citrus Grandis (Grapefruit) Peel Oil, Citrus Limon (Lemon) Peel Oil, Litsea Cubeba Fruit Oil, Santalum Spicatum (Sandalwood) Seed Oil, Citrus Limon (Lemon) Fruit Oil, Disodium EDTA, Citrus Aurantium Dulcis (Orange) Fruit Extract, Citrus Limon (Lemon) Fruit Extract, Phenoxyethanol, Mica, Ceteareth-25, Magnesium Aspartate, Zinc Gluconate, Backhousia Citriodora (Lemon Myrtle) Leaf Oil, Citrus Aurantium Bergamia (Bergamot) Peel Oil, Citrus Australasica Fruit Extract, Tetrasodium EDTA, Acer Saccharum (Sugar Maple) Extract, Cetyl Alcohol, Silica, Ethylhexylglycerin, Sodium Benzoate, Citric Acid, Behenic Acid, Ceramide NP, Cholesterol, Copper Gluconate, Potassium Sorbate, Ceramide NS, Glycine, Serine, Glutamic Acid, Tin Oxide, Caprylyl Glycol, Ceramide AP, Ceramide EOP, Ceramide EOS, Aspartic Acid, Leucine, Caprooyl Phytosphingosine, Caprooyl Sphingosine, Alanine, Lysine, Arginine, Tyrosine, Phenylalanine, Proline, Threonine, Valine, Isoleucine, Histidine, Acetyl Hexapeptide-37, Hexapeptide-10, Limonene, Citral, Linalool, CI 77491 (Iron Oxides), CI 77891 (Titanium Dioxide).

The Clarity Actives

Acetyl Hexapeptide-37 + Hexapeptide-10 are proteins that support skin moisturisation by reducing Trans-Epidermal Water Loss (TEWL) and increasing hydration levels in the Stratum Corneum. In hyper-sebaceous skin, they calm the appearance of redness to cultivate a clearer, more radiant tone.

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Opposite: ‘Amino Acids’
Illustration by Jessie Milligan

Ingredients: Aqua (Water), Glycerin, Pentylene Glycol, Cocamidopropyl Betaine, Decyl Glucoside, Ethoxydiglycol, Sodium Lauroyl Oat Amino Acids, Carbomer, Glyceryl Caprylate, Salicylic Acid, Sodium Hydroxide, Sodium Lauroyl Lactylate, Sodium Chloride, Xanthan Gum, Vaccinium Myrtillus Fruit Extract, Styrene/Acrylates Copolymer, Butylene Glycol, Melaleuca Alternifolia (Tea Tree) Leaf, Citrus Aurantium Dulcis (Orange) Peel Oil, Mentha Australis Leaf Extract, Disodium Coco-Glucoside Citrate, Saccharum Officinarum (Sugar Cane) Extract, Citrus Aurantium Bergamia (Bergamot) Fruit Oil, Citrus Aurantium Dulcis (Orange) Oil, Citrus Grandis (Grapefruit) Peel Oil, Citrus Limon (Lemon) Peel Oil, Litsea Cubeba Fruit Oil, Santalum Spicatum (Sandalwood) Seed Oil, Citrus Limon (Lemon) Fruit Oil, Disodium EDTA, Citrus Aurantium Dulcis (Orange) Fruit Extract, Citrus Limon (Lemon) Fruit Extract, Phenoxyethanol, Mica, Ceteareth-25, Magnesium Aspartate, Zinc Gluconate, Backhousia Citriodora (Lemon Myrtle) Leaf Oil, Citrus Aurantium Bergamia (Bergamot) Peel Oil, Citrus Australasica Fruit Extract, Tetrasodium EDTA, Acer Saccharum (Sugar Maple) Extract, Cetyl Alcohol, Silica, Ethylhexylglycerin, Sodium Benzoate, Citric Acid, Behenic Acid, Ceramide NP, Cholesterol, Copper Gluconate, Potassium Sorbate, Ceramide NS, Glycine, Serine, Glutamic Acid, Tin Oxide, Caprylyl Glycol, Ceramide AP, Ceramide EOP, Ceramide EOS, Aspartic Acid, Leucine, Caprooyl Phytosphingosine, Caprooyl Sphingosine, Alanine, Lysine, Arginine, Tyrosine, Phenylalanine, Proline, Threonine, Valine, Isoleucine, Histidine, Acetyl Hexapeptide-37, Hexapeptide-10, Limonene, Citral, Linalool, CI 77491 (Iron Oxides), CI 77891 (Titanium Dioxide).

The Clarity Actives

Skin Identical Ceramide Complex supports natural cleansing mechanisms, while amplifying hydration and increasing Natural Moisturising Factors (NMFs) to fortify barrier function and skin resilience.

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Opposite: ‘Amino Acids’
Illustration by Jessie Milligan

Ingredients: Aqua (Water), Glycerin, Pentylene Glycol, Cocamidopropyl Betaine, Decyl Glucoside, Ethoxydiglycol, Sodium Lauroyl Oat Amino Acids, Carbomer, Glyceryl Caprylate, Salicylic Acid, Sodium Hydroxide, Sodium Lauroyl Lactylate, Sodium Chloride, Xanthan Gum, Vaccinium Myrtillus Fruit Extract, Styrene/Acrylates Copolymer, Butylene Glycol, Melaleuca Alternifolia (Tea Tree) Leaf, Citrus Aurantium Dulcis (Orange) Peel Oil, Mentha Australis Leaf Extract, Disodium Coco-Glucoside Citrate, Saccharum Officinarum (Sugar Cane) Extract, Citrus Aurantium Bergamia (Bergamot) Fruit Oil, Citrus Aurantium Dulcis (Orange) Oil, Citrus Grandis (Grapefruit) Peel Oil, Citrus Limon (Lemon) Peel Oil, Litsea Cubeba Fruit Oil, Santalum Spicatum (Sandalwood) Seed Oil, Citrus Limon (Lemon) Fruit Oil, Disodium EDTA, Citrus Aurantium Dulcis (Orange) Fruit Extract, Citrus Limon (Lemon) Fruit Extract, Phenoxyethanol, Mica, Ceteareth-25, Magnesium Aspartate, Zinc Gluconate, Backhousia Citriodora (Lemon Myrtle) Leaf Oil, Citrus Aurantium Bergamia (Bergamot) Peel Oil, Citrus Australasica Fruit Extract, Tetrasodium EDTA, Acer Saccharum (Sugar Maple) Extract, Cetyl Alcohol, Silica, Ethylhexylglycerin, Sodium Benzoate, Citric Acid, Behenic Acid, Ceramide NP, Cholesterol, Copper Gluconate, Potassium Sorbate, Ceramide NS, Glycine, Serine, Glutamic Acid, Tin Oxide, Caprylyl Glycol, Ceramide AP, Ceramide EOP, Ceramide EOS, Aspartic Acid, Leucine, Caprooyl Phytosphingosine, Caprooyl Sphingosine, Alanine, Lysine, Arginine, Tyrosine, Phenylalanine, Proline, Threonine, Valine, Isoleucine, Histidine, Acetyl Hexapeptide-37, Hexapeptide-10, Limonene, Citral, Linalool, CI 77491 (Iron Oxides), CI 77891 (Titanium Dioxide).

The Ritual

Massage cleanser over dry or damp skin. Rinse thoroughly with tepid water. 

Follow with your RATIONALE Essential Six formulations for night. 

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

Discover More

The Research

Complexion health, vitality and beauty are highly dependent upon the acidic pH of the Stratum Corneum, the skin’s outermost layer.

Skin protects itself from the breakdown of its connective tissues ) by upregulating enzymes that assist in collagen and elastin connective tissue synthesis. These enzymes require acidic surface conditions to function optimally.

Breakouts, premature ageing, pigmentation and other signs of environmental damage can occur when the skin is too alkaline (the opposite of acidic).

A nightly cleanse with a complex of hydroxy acids, phospholipids and amino acids can assist in gently recalibrating skin pH back to a healthy, acidic state, helping to restore clarity and firmness.