K18 Peptide Prep Detox Shampoo Jumbo 473ml
K18 Peptide Prep Detox Shampoo Jumbo 473ml
pay in 4 installments of $23.73
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Reset hair and scalp with the limited edition K18 PEPTIDE PREP™ Detox Shampoo Jumbo 437ml, an oversized take on the cult clarifying formula designed to deeply cleanse without leaving hair stripped or rough. This colour-safe detox shampoo helps remove heavy buildup, excess oil and environmental residue while keeping hair feeling fresh, balanced and ready for the rest of your routine.
Powered by skincare-inspired actives and K18’s patented peptide technology, this high-performance cleanser works to purify the hair and scalp while supporting hair strength. The rich lather lifts away stubborn residue from styling products, sebum and everyday impurities, making it ideal for anyone needing a true weekly reset.
Why you’ll love it:
- Limited edition jumbo 437ml size for extended use
- Clarifies hair and scalp without harsh stripping
- Helps remove product buildup, oil and impurities
- Colour-safe formula suitable for regular detoxing
- Leaves hair feeling fresh, clean and prepped for treatments
- Powered by K18PEPTIDE™ to help maintain hair strength
Key benefits:
- Deep cleansing action: effectively washes away heavy buildup, excess sebum and residue from styling products.
- Non-stripping formula: delivers a thorough cleanse while helping hair feel balanced, soft and manageable.
- Scalp-refreshing results: helps create a cleaner, fresher foundation at the scalp.
- Supports healthier-feeling hair: formulated with K18PEPTIDE™ to help reduce protein loss and support hair strength.
- Ideal prep step: creates the perfect clean canvas before applying masks, treatments and repair products.
Perfect for: oily roots, heavy product users, scalp refresh days, weekly wash resets, and anyone wanting a deeper clean without compromising colour-treated hair.

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Australian Orders
Australian OrdersAustralia Post Standard Delivery* (2-7 Business Days
Orders under $50 - $7.99
Orders over $50 Free
Australia Post Express Delivery** (1-3 Business Days)
Orders under $50 - $9.99
Orders over $50 - $5.99
Postage Insurance $2.95
Complete protection for loss or damage during transit*
Returns & Refunds
We accept returns on unused, unopened items within 30 days of delivery.
Faulty, damaged or reaction-related returns may be eligible for a refund, exchange or store credit — conditions apply.
Please note:
- Products must be in original condition
- Return shipping costs are the customer’s responsibility (unless the item is faulty or sent in error)
- Makeup and fragrance are not eligible for change-of-mind returns
Contact us at customerservice@ry.com.au to request a return.
View our full Returns & Refunds Policy Here
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