#1 The Mask

#1 The Mask

50ml

$220.00

Brightening Mask

Resilience is the First Pillar of Skin Health.

The Story

Revitalising ritual and intensive nourishment come together in this luxe treatment mask. This nurturing formulation delivers intense hydration, fortifies barrier function and renews skin clarity. Illuminating minerals instantly amplify skin radiance.

The Promise

Skin feels more hydrated, softer and more supple.

Boosts skin resilience.

Rebalances skin tone and improves clarity.

Natural radiance is rekindled.

The Results

At RATIONALE, we’re pleased to report the proportion of participants who observed the following improvements in their skin after use of #1 The Mask* :

95% reported ↑ Even tone
90% reported ↑ Firmness
90% reported ↑ Brightness and Radiance

*Based on a 28-day trial with 20 participants

The Resilience Actives

Vitamin B3 (Niacinamide) boosts skin resilience and strengthens barrier function, helping skin to protect itself against sun damage while also calming the appearance of redness and irritation. This Skin Identical vitamin also promotes evenness of tone by inhibiting the transfer of melanosome packets through the layers of the epidermis, locks in moisture by preventing Trans-Epidermal Water Loss (TEWL), and downregulates sebum production to balance out excess oil and acne congestion.

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Opposite: ‘Vitamin B5’
Illustration by Jessie Milligan

Ingredients: Aqua (Water), Glycerin, Niacinamide, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Methylpropanediol, Pentylene Glycol, Mica, Panthenol, Glyceryl Caprylate, Caprylyl Glycol, PEG-40 Hydrogenated Castor Oil, Trideceth-9, Polysorbate 60, Sorbitan Isostearate, Tin Oxide, Santalum Spicatum (Sandalwood) Seed Oil, Phenylpropanol, Citrus Aurantium Dulcis (Orange) Oil, Disodium EDTA, Propylene Glycol, 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, Citrus Aurantium Amara (Bitter Orange) Flower Oil, Eugenia Caryophyllus (Clove) Leaf Oil, Magnesium Aspartate, Zinc Gluconate, Brachychiton Acerifolius Flower Extract, Phenoxyethanol, Calcium Gluconate, Copper Gluconate, Ethylhexylglycerin, Glycine, Serine, Glutamic Acid, Banksia Serrata Flower Extract, Citrus Australasica Fruit Extract, Davidsonia Pruriens Fruit Extract, Hibiscus Sabdariffa Flower Extract, Melaleuca Alternifolia (Tea Tree) Leaf Extract, Santalum Acuminatum Fruit Extract, Tasmannia Lanceolata Fruit Extract, Telopea Speciosissima Flower/Leaf Extract, Terminalia Ferdinandiana Fruit Extract, Aspartic Acid, Leucine, Alanine, Lysine, Arginine, Tyrosine, Phenylalanine, Proline, Threonine, Valine, Isoleucine, Sodium Benzoate, Citric Acid, Histidine, Potassium Sorbate, Limonene, Citral, CI 77891 (Titanium Dioxide).

The Resilience Actives

Vitamin B5 (Dexpanthenol) enhances skin resilience by activating Langerhans Cells, supporting skin's natural repair processes and improving Stratum Corneum hydration by reducing TEWL.

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Opposite: ‘Vitamin B5’
Illustration by Jessie Milligan

Ingredients: Aqua (Water), Glycerin, Niacinamide, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Methylpropanediol, Pentylene Glycol, Mica, Panthenol, Glyceryl Caprylate, Caprylyl Glycol, PEG-40 Hydrogenated Castor Oil, Trideceth-9, Polysorbate 60, Sorbitan Isostearate, Tin Oxide, Santalum Spicatum (Sandalwood) Seed Oil, Phenylpropanol, Citrus Aurantium Dulcis (Orange) Oil, Disodium EDTA, Propylene Glycol, 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, Citrus Aurantium Amara (Bitter Orange) Flower Oil, Eugenia Caryophyllus (Clove) Leaf Oil, Magnesium Aspartate, Zinc Gluconate, Brachychiton Acerifolius Flower Extract, Phenoxyethanol, Calcium Gluconate, Copper Gluconate, Ethylhexylglycerin, Glycine, Serine, Glutamic Acid, Banksia Serrata Flower Extract, Citrus Australasica Fruit Extract, Davidsonia Pruriens Fruit Extract, Hibiscus Sabdariffa Flower Extract, Melaleuca Alternifolia (Tea Tree) Leaf Extract, Santalum Acuminatum Fruit Extract, Tasmannia Lanceolata Fruit Extract, Telopea Speciosissima Flower/Leaf Extract, Terminalia Ferdinandiana Fruit Extract, Aspartic Acid, Leucine, Alanine, Lysine, Arginine, Tyrosine, Phenylalanine, Proline, Threonine, Valine, Isoleucine, Sodium Benzoate, Citric Acid, Histidine, Potassium Sorbate, Limonene, Citral, CI 77891 (Titanium Dioxide).

The Resilience Actives

Amino Acids provide intensive moisturisation for the skin, as well as stimulating connective tissues (collagen and elastin) to help firm skin and prevent laxity.

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Opposite: ‘Vitamin B5’
Illustration by Jessie Milligan

Ingredients: Aqua (Water), Glycerin, Niacinamide, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Methylpropanediol, Pentylene Glycol, Mica, Panthenol, Glyceryl Caprylate, Caprylyl Glycol, PEG-40 Hydrogenated Castor Oil, Trideceth-9, Polysorbate 60, Sorbitan Isostearate, Tin Oxide, Santalum Spicatum (Sandalwood) Seed Oil, Phenylpropanol, Citrus Aurantium Dulcis (Orange) Oil, Disodium EDTA, Propylene Glycol, 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, Citrus Aurantium Amara (Bitter Orange) Flower Oil, Eugenia Caryophyllus (Clove) Leaf Oil, Magnesium Aspartate, Zinc Gluconate, Brachychiton Acerifolius Flower Extract, Phenoxyethanol, Calcium Gluconate, Copper Gluconate, Ethylhexylglycerin, Glycine, Serine, Glutamic Acid, Banksia Serrata Flower Extract, Citrus Australasica Fruit Extract, Davidsonia Pruriens Fruit Extract, Hibiscus Sabdariffa Flower Extract, Melaleuca Alternifolia (Tea Tree) Leaf Extract, Santalum Acuminatum Fruit Extract, Tasmannia Lanceolata Fruit Extract, Telopea Speciosissima Flower/Leaf Extract, Terminalia Ferdinandiana Fruit Extract, Aspartic Acid, Leucine, Alanine, Lysine, Arginine, Tyrosine, Phenylalanine, Proline, Threonine, Valine, Isoleucine, Sodium Benzoate, Citric Acid, Histidine, Potassium Sorbate, Limonene, Citral, CI 77891 (Titanium Dioxide).

The Resilience Actives

Skin Minerals (Magnesium, Copper, Zinc) boost skin strength and resilience while improving elasticity and calming signs of irritation.

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Side arrow

Opposite: ‘Vitamin B5’
Illustration by Jessie Milligan

Ingredients: Aqua (Water), Glycerin, Niacinamide, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Methylpropanediol, Pentylene Glycol, Mica, Panthenol, Glyceryl Caprylate, Caprylyl Glycol, PEG-40 Hydrogenated Castor Oil, Trideceth-9, Polysorbate 60, Sorbitan Isostearate, Tin Oxide, Santalum Spicatum (Sandalwood) Seed Oil, Phenylpropanol, Citrus Aurantium Dulcis (Orange) Oil, Disodium EDTA, Propylene Glycol, 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, Citrus Aurantium Amara (Bitter Orange) Flower Oil, Eugenia Caryophyllus (Clove) Leaf Oil, Magnesium Aspartate, Zinc Gluconate, Brachychiton Acerifolius Flower Extract, Phenoxyethanol, Calcium Gluconate, Copper Gluconate, Ethylhexylglycerin, Glycine, Serine, Glutamic Acid, Banksia Serrata Flower Extract, Citrus Australasica Fruit Extract, Davidsonia Pruriens Fruit Extract, Hibiscus Sabdariffa Flower Extract, Melaleuca Alternifolia (Tea Tree) Leaf Extract, Santalum Acuminatum Fruit Extract, Tasmannia Lanceolata Fruit Extract, Telopea Speciosissima Flower/Leaf Extract, Terminalia Ferdinandiana Fruit Extract, Aspartic Acid, Leucine, Alanine, Lysine, Arginine, Tyrosine, Phenylalanine, Proline, Threonine, Valine, Isoleucine, Sodium Benzoate, Citric Acid, Histidine, Potassium Sorbate, Limonene, Citral, CI 77891 (Titanium Dioxide).

The Ritual

Apply a generous layer to clean, dry skin. 

Allow mask to infuse for 20 minutes.  

Rinse thoroughly with tepid water. 

Gently pat dry and follow with your recommended RATIONALE Essential Six formulations. 

Perform once weekly for remarkable skin luminosity. 

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

Discover More

The Research

Playing a vital daily role in the prevention of environmental damage, allergy and disease, the skin’s own immune system is comprised of site-specific cells and tissues that contribute to radiance and resilience.

The skin’s outermost layer, the Stratum Corneum, also plays a vital role in supporting skin immunity.

Optimised hydration of the Stratum Corneum ensures suppleness and smoothness, while elevating barrier strength and reducing sensitivity.

These vital immunological processes, including cell-to-cell communication and physical barrier function, are supported by B-group vitamins, electrolytes and hydroscopic skin protein structures.