• 5 Mask Render
  • 5 Mask Styled
  • 5 Mask Swatch
1 4

Rationale

#5 The Mask 20mL

$118.00
$118.00
Shipping calculated at checkout.
Size

 

Rationale’s #5 The Mask is a clarifying and refining weekly treatment that helps restore the skin's balance and radiance. Designed to recalibrate the skin’s pH, this mask uses a blend of Hydroxy Acids to remove impurities, improve texture, and reveal a brighter complexion. It is perfect for those with blemishes, congestion, or uneven skin tone.

 


My Benefits
  • Restores skin clarity and radiance
  • Refines skin texture and evens tone
  • Recalibrates pH to a youthful, acidic level
  • Targets blemishes and congestion
  • Hydrates and soothes the skin
skin Suitability
  • Suitable for resilient skin types
  • Ideal for those with blemishes, fine lines, wrinkles, and hyperpigmentation
How to use me

Apply a generous layer of #5 The Mask to clean, dry skin. Leave it on for 20 minutes, allowing the mask to infuse. Rinse thoroughly with tepid water and pat dry. Use once weekly for optimal results.
My Key Ingredients
  • Salicylic Acid: A beta hydroxy acid that deeply exfoliates and clears congested pores, improving texture and reducing blemishes.
  • Niacinamide (Vitamin B3): Helps reduce inflammation and soothe irritated skin while brightening and evening skin tone.
  • Lactic Acid: An alpha hydroxy acid that gently exfoliates the skin, promoting smoother texture and hydration.
  • Saccharide Isomerate: A hydrating agent that helps the skin retain moisture, keeping it soft and supple.
All of My Ingredients

Aqua (Water), Glycerin, Octyldodecanol, Ethoxydiglycol, Pentylene Glycol, Polyacrylate Crosspolymer-6, Niacinamide, Lactic Acid, Salicylic Acid, Vaccinium Myrtillus Fruit Extract, Saccharide Isomerate, Melaleuca Alternifolia (Tea Tree) Leaf Extract, Citrus Oils, Santalum Spicatum (Sandalwood) Seed Oil, Sodium Hyaluronate, Magnesium Aspartate, Zinc Gluconate, and more.
    5 Mask Render
    5 Mask Styled
    5 Mask Swatch
    FREE SHIPPING on all orders over $150
    EASY RETURNS 30-day postage paid returns

    The 'YOU' Guarantee

    • Quality

      Medical-grade, science-backed skincare solutions.

    • Doctor-Led

      Expert care from trusted professionals.

    • Fast Shipping

      Fast, reliable delivery to your doorstep.

    • Support

      Friendly, dedicated customer care team.

    FAQs

    Do you offer flexible payment options?

    Yes! We accept Afterpay, Zippay, TLC finance, Visa, Mastercard, and cash in-clinic for easy and secure payments.

    How can I receive my order?

    We deliver Australia-wide and internationally, plus offer free local pickup at our Forresters Beach and Newcastle locations.

    How long does shipping take?

    Standard shipping within Australia typically takes 2–5 business days, and express delivery takes 1–3 business days, depending on your delivery location​.

    What if I don't know which products I need?

    Try our online Skin Quiz! It’s a quick and easy way to discover products tailored to your skin type and concerns.