Hair Guru London
Hair Guru London Hair Fibre Locking Spray 120ml
Hair Guru London Hair Fibre Locking Spray 120ml
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The Finishing Step That Keeps Fibres Put
Hair Guru London Hair Fibre Locking Spray is a 120 ml fine-mist spray made to set hair thickening fibres in place once they have been applied. A light veil of mist bonds the fibres to your natural hair, so the fuller look you create in the morning holds through the day without the stiff, crunchy feel of a heavy hairspray.
Why Fibres Need Locking
Hair fibres cling to hair through static, which is enough for a short time but can be disturbed by wind, rain, sweat or a hand run through the hair. The locking spray adds a second, firmer hold over the top. Once dry, it is designed to keep fibres in place against wind, rain and sweat, while the fine nozzle spreads the mist evenly so no single patch is soaked. It stays until your next wash and comes out with ordinary shampoo.
Styling
The spray is formulated to partner Hair Guru London Hair Thickening Fibres and works best as the final step after the Easy Apply Fibre Pump has placed fibres around the hairline and temples. It also suits a quick refresh during the day, and the bottle is compact enough to carry. For all three products at once, see the Hair Guru London Hair Fibres Starter Set Bundle.
How To Use
Apply your fibres to clean, dry, styled hair first. Hold the spray about 10 cm from your head and apply six to eight short bursts evenly over the areas where you used fibres. Let it dry naturally, or speed things up with a hairdryer on a low, cool setting. Avoid spraying near the eyes.
Specifications
- Volume: 120 ml
- Format: fine-mist spray
- Ingredients: Ethanol, Water (Aqua), VP/DMAPA Acrylic Copolymer, Propylene Glycol, Fragrance (Parfum), PEG-40 Hydrogenated Castor Oil
- Vegan and cruelty-free
- Shelf life: 12 months
- Storage: keep in a cool, dry place away from direct sunlight
- For external use only; avoid contact with eyes
Frequently Asked Questions
What does hair fibre locking spray do?
It sets hair thickening fibres in place after application, adding a firmer hold than static alone so the fibres stay where you put them throughout the day.
Will it make my hair feel stiff?
No. The fine mist is designed to hold fibres without stiffness or sticky residue, so hair still looks and feels natural.
Does it hold up in wind and rain?
Once dry, it is designed to keep fibres in place against wind, rain and sweat until your next wash.
How many sprays should I use?
Around six to eight short bursts from about 10 cm away, spread evenly over the areas where you applied fibres.
Can I use it with other brands of fibres?
It is formulated for Hair Guru London Hair Thickening Fibres. It may help hold other fibres too, but it is designed around the Hair Guru London system.
How do I remove it?
Simply wash your hair with your usual shampoo. No special remover is needed. If you have a sensitive scalp, patch-test before first use.
Why Hair Guru London
Hair Guru London treats fibres, applicator and locking spray as parts of one routine rather than separate products. The locking spray is the step that makes the result last, turning a quick morning application into a look you can rely on for the rest of the day.
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Ingredients
Ingredients
Ethanol, Water (Aqua), VP/DMAPA Acrylic Copolymer, Propylene Glycol, Fragrance (Parfum), PEG-40 Hydrogenated Castor Oil

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