- Keratin, naturally sourced proteins and amino acids restore strength and structure
- Hyaluronic Acid in three molecular weights hydrates at every level of the hair
- Adds body and softness without heaviness or weight
- Essential finishing step after milk_shake Integrity Treatment steps A and B
- Works as a standalone daily leave-in for dry, damaged or chemically treated hair
Keratin and Triple-Weight Hyaluronic Acid Leave-In Spray for Restructured Hair
milk_shake Integrity Leave-In Treatment Spray is the essential finishing step after any intensive hair restructuring treatment — delivering the nourishment and deep hydration that repaired hair needs to feel genuinely soft, flexible and manageable again. Combining keratin, naturally sourced proteins and amino acids with Hyaluronic Acid in three different molecular weights, it restores strength and structure while hydrating from the inside out for a result that is soft, radiant and full of vitality rather than stiff or brittle. At 250ml it is a generous size for regular daily use. Find it alongside other leave-in treatments in our full range.
Hyaluronic Acid in Three Molecular Weights for Every Level of Hydration
The triple-weight Hyaluronic Acid in the formula is what makes this leave-in spray genuinely different from a standard post-treatment spray. Different molecular weights of Hyaluronic Acid penetrate the hair at different depths — larger molecules work on the surface to smooth and seal the cuticle, medium molecules penetrate into the cortex for structural hydration, and smaller molecules reach the deepest levels of the hair shaft for the most fundamental moisture restoration. The result is hydration that works from the inside out rather than simply coating the surface, delivering lasting softness and flexibility that standard leave-in sprays cannot match.
The Perfect Finish After milk_shake Integrity Treatment Steps A and B
The Integrity Leave-In is particularly invaluable as the finishing step after the milk_shake Integrity Treatment steps A and B — a restructuring process that can leave hair feeling rough and stiff as it repairs. The Leave-In spray smooths everything out and restores the soft, radiant finish that makes the result of the treatment genuinely comfortable to wear. It works equally well as a standalone daily leave-in for dry, damaged or chemically treated hair that needs a consistent daily dose of hydration, strength and care without the need for rinsing. For best results use as part of the complete milk_shake Integrity system.
How to Use milk_shake Integrity Leave-In Treatment Spray
Spray evenly through clean, damp hair from roots to ends, paying particular attention to mid-lengths, ends and any particularly damaged areas. Leave in without rinsing and follow with your usual styling routine. Use daily for ongoing strength, hydration and softness in damaged, dry or chemically treated hair.
Enjoy free UK delivery on all orders.
The majority of our orders are sent using Royal Mail on a signed for service. Higher ticket items may be dispatched using DPD.
- Returns accepted for 30 days
- Free return shipping
- No restocking fee
- No final sale items
