Kevin Murphy Smooth Again Wash + Rinse Pro Duo - Litre Smoothing Set for Thick and Frizz-Prone Hair

Kevin Murphy
The SMOOTH AGAIN daily frizz-control system in litre size — identical formulas, best value per wash, uninterrupted daily smoothing for thick and frizz-prone hair.
Clients who have confirmed the 250 ml SMOOTH AGAIN duo works, Thick or coarse hair wanting best value per wash, Daily washers going through 250 ml quickly, Households sharing the SMOOTH AGAIN routine, and Anyone who has run out of the 250 ml mid-system
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Regular price $184.88
Regular price $213.50 Sale price $184.88
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Description

The SMOOTH AGAIN daily frizz-control system in litre size — identical formulas to the 250 ml duo, in the pro-economy format for thick-haired daily clients who want uninterrupted smoothing and best value per wash.

This set includes:

  • Kevin Murphy Smooth Again Wash (1000 ml) — a sulphate-free smoothing shampoo with Monoi Oil, Murumuru Butter and Panthenol that deposits frizz-control actives during cleansing itself.
  • Kevin Murphy Smooth Again Rinse (1000 ml) — a smoothing conditioner with Biomimetic Keratin Protein and Monoi Oil for structural frizz control that holds between washes on thick and coarse hair.

Available with or without pumps.

The Moda Team Review

Same formula as the 250 ml duo. The litre is for thick-haired clients who have confirmed the SMOOTH AGAIN system works and want to run it without interruption. Thick hair consistently uses more product per wash than fine hair, which means the 250 ml moves faster. Running out mid-system breaks the cumulative smoothing work both products build. The Pro Duo removes that and offers the best value per wash in the lineup.

As a White Haven Kevin Murphy salon, we recommend adding pumps to both litres. Thick hair can tempt over-application — a pump controls the amount and prevents residue buildup that can weigh even thick hair down over time.

Why Moda Carries This

Kevin Murphy pro sizes are the same formula. We carry the SMOOTH AGAIN Pro Duo because thick, coarse-haired clients who commit to the system deserve the format that keeps it running. The smoothing is cumulative — consistent daily use produces the best results.

Moda Pro Tip

With a litre of Smooth Again Wash, a 50-cent-piece-sized amount is still enough for most hair lengths. Thick hair does not need a proportionally larger amount of product — it needs the correct amount applied with thorough coverage. A pump helps control this. Leave the Wash lather on for the full 60 seconds every wash.

Not the Right Fit If...

Start with the 250 ml duo if you have not used the SMOOTH AGAIN system before. The Pro Duo is the right upgrade once you know both products work for your hair.

How To Use

  1. Apply a controlled amount of Smooth Again Wash, leave lather 60 seconds, rinse.
  2. Squeeze excess water, apply Smooth Again Rinse mid-lengths to ends, 2 minutes, rinse cool.
  3. Follow with Smooth Again Treatment on damp hair before styling.
COMMON QUESTIONS

Product FAQ

Yes, identical — same Monoi Oil and Biomimetic Keratin concentrations. Pro size means more product, not a different formulation.
Yes. Thick hair can tempt over-application on a litre bottle. A pump controls the amount and prevents the residue buildup that weighs even thick hair down over time. A 50-cent-piece-sized amount of Smooth Again Wash is enough for most hair.
Thick hair uses more product than fine hair. Most thick-haired clients with shoulder-length hair get 15 to 22 weeks from each 1000 ml bottle with daily use and controlled amounts. The Rinse typically lasts slightly longer since it is applied mid-lengths to ends.
Yes — both are available individually at the 1000 ml size in the Moda shop. The Pro Duo bundles them at a saving. Top up whichever runs out without replacing the whole set.
Once you have confirmed the system works — typically after 5 to 7 weeks on the 250 ml. At that point the Biomimetic Keratin is building and the Monoi Oil smoothing is consistent. The Pro Duo keeps both running uninterrupted at the best value.
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