Keratin Complex

Keratin Complex KCSMOOTH Restorative Leave-In Lotion 5 fl oz — Lightweight Heat-Protective Blow-Dry Aid for Smoother, Frizz-Contro

Check the exact product, pack and directions before ordering

£42.19

Available to order with free standard UK delivery.

Shop Pay installment options may appear at checkout where eligible.

Free shipping Secure checkout 30-day returns: check eligibility
Choose your quantity Order 2 units

Choose the quantity you need; pack contents are described in the product details.

Choose your quantity Order 3 units

Free standard UK delivery with no minimum order.

Free shipping

i

Free standard UK delivery. See shipping estimates and tracking details in our shipping policy.

Easy returns

i

Contact us for a free return label for eligible items within 30 days.

Peak-demand shipping delays

i

During high demand, deliveries may experience short carrier delays. Tracking updates remain active for every order.

Email customer support

Email us about products, delivery or returns. We aim to reply within one business day.

Share

Product details

Keratin Complex KCSMOOTH Restorative Leave-in Lotion is a lightweight, leave-in blow-dry aid that conditions, smooths and protects hair from heat while adding shine without weighing strands down.

Designed as a key step in the KCSMOOTH aftercare routine, this 5 fl oz restorative leave-in lotion helps extend the effects of keratin treatments and improves daily styling. It blends fast-absorbing conditioning agents and heat-protective ingredients so you get a quicker, sleeker blowout with a soft, frizz-resistant finish. The formula is non-greasy and suitable for repeated use between salon visits to keep hair manageable and glossy.

How does this lotion help when I'm blow-drying?

The lotion creates a smooth, conditioned surface that tames flyaways and shortens drying time. It protects hair from heat styling and helps the brush glide through for a polished look.

  • Lightweight spray-lotion texture for even distribution
  • Heat-protective agents reduce styling damage risk
  • Improves blow-dry speed and brushability
  • Leaves a silky, frizz-controlled finish

Will it weigh down fine or thin hair?

No — the KCSMOOTH formula is designed to be super-conditioning without heaviness. It absorbs quickly so fine hair retains volume while gaining smoothness and shine.

  • Fast-absorbing, non-greasy formula
  • Delivers moisture without flattening roots
  • Suitable for repeated styling between treatments
  • Maintains natural movement and body

How does this product fit into a keratin aftercare routine?

Use the leave-in lotion after washing and towel-drying to extend the longevity of keratin treatments and preserve smoothness. It complements other KCSMOOTH products to keep treated hair soft, manageable and shiny.

  • Apply to damp hair before blow-drying or heat styling
  • Works alongside keratin shampoo and conditioner
  • Helps reduce frizz between salon visits
  • Safe for frequent use as part of maintenance

What results can I expect after styling?

After blow-drying, expect a sleeker appearance with diminished frizz and enhanced shine. The hair should feel conditioned and lightweight, with improved manageability for everyday styling.

  • Smooth, glossy finish that resists humidity
  • Improved detangling and comb-through ease
  • Soft, natural-feeling strands rather than stiff residue
  • Consistent results when used regularly

Who is this for: Keratin Complex KCSMOOTH Restorative Leave-in Lotion is for anyone wanting a quicker, sleeker blowout and better daily manageability—especially those with keratin-treated, frizz-prone, or style-focused hair. It suits fine-to-thick textures and is ideal for people who heat-style regularly but prefer a lightweight, non-greasy finish. Use it after cleansing and towel-drying, then blow-dry or heat-style as usual to maintain smoother, shinier hair between salon appointments.

Ingredients

: Water/Aqua/Eau, Ethyl Macadamiate, Dimethicone, Stearamidopropyl Dimethylamine, Behentrimonium Chloride, Hydrolyzed Keratin, Methyl Gluceth-10, Polyquaternium-39, Glycerin, Panthenol, PEG-75 Lanolin, Sambucus Nigra (Elder) Fruit Extract, Juniperus Communis Fruit Extract, Frangula Alnus Bark Extract, Ocimum Basilicum (Basil) Flower/Leaf Extract, Betula Alba (Birch) Leaf Extract, Propylene Glycol Dicaprylate/Dicaprate, PPG-1 Trideceth-6, Polyquaternium-37, Polyquaternium-59, Ethylhexylglycerin, Butylene Glycol, Lactic Acid, Ethylhexyl Methoxycinnamate, Phenoxyethanol, Benzyl Benzoate, Limonene, Fragrance (Parfum).

FAQ

Q: Can I use this on color-treated hair?

A: Yes. It's formulated to be safe for color-treated hair and helps maintain smoothness without stripping color.

Q: How much do I apply for medium-length hair?

A: Spray evenly through damp hair — about 3–6 pumps depending on thickness — then comb and blow-dry as usual.