

Full head foils place colour or lightener throughout your entire head—from hairline to nape and including the underside—for comprehensive, visible coverage. This service at 21 RUSSELL in Crawley includes all processing, toning, and a complete finish with styling, taking around four hours. If you're looking for very dense, packed foiling, please book the packed full head service instead.
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What Full Head Foils Involve
Full head foils cover the entire head, not just the top layers, making them ideal when you want noticeable, all-over lightness or colour change:
- Your stylist sections the hair systematically—back, sides, and top—and weaves or slices fine strands into foils throughout
- Standard density foils leave a natural balance between covered and uncovered sections for dimension, unlike packed foils which use back-to-back placement
- After application, the colour processes, then foils are removed, hair is rinsed, and a toner or gloss is applied to refine the shade and neutralise brassiness
- The service finishes with a blow-dry and style so you leave with polished, camera-ready hair
Because this technique treats the whole head, it creates a more uniform, high-impact result than partial highlights or balayage.
Who This Service Suits
Full head foils are best for clients wanting significant colour transformation:
- You're looking to go several levels lighter or achieve strong, even coverage across all your hair
- You want your colour change to be visible from every angle, not just on surface layers
- You prefer a more uniform look rather than soft, sun-kissed dimension
- Your hair is in good condition—lightening alters the hair structure, so healthy hair responds best
If your hair is very thick, long, or coarse, expect the service to take longer and use more product. Clients with compromised or over-processed hair may need a more conservative approach or multiple sessions to reach very light shades safely.
Aftercare & Maintenance
Maintaining vibrant, healthy colour after full head foils requires consistent care:
- Use sulfate-free, colour-safe shampoo and conditioner to reduce fading and dryness
- Wash less frequently with cooler water, and apply deep conditioning masks weekly to counteract any dryness from lightening
- Limit heat styling or always use a heat protectant
- Return to the salon roughly every six weeks for root touch-ups and toner refreshers—full head foils show regrowth more noticeably than subtle highlighting
Proper aftercare helps preserve your colour and keeps your hair in excellent condition between visits.
Standard vs Packed Foils
21 RUSSELL offers both standard and packed full head foils—understanding the difference helps you book the right service:
- Standard full head (this service) uses typical foil density with natural hair left between sections for a balanced, noticeable result
- Packed full head uses very fine sections and back-to-back foiling, leaving almost no hair untouched, for maximum lightness and intensity
- Packed foils require significantly more time, product, and work, so they're booked separately
If you want extremely dense highlights or near-solid lightness, please book the packed service. For most clients seeking comprehensive coverage with good dimension, standard full head foils deliver excellent results.
Client Reviews
Based on 2 reviews
- M
Mandi Mist
Leah was amazing, beautifully presented, very welcoming, and recognised me from my previous visit many months ago. She listen to my brief of what I wanted and applied her professional skills leaving me feeling very happy when I left great job, highly recommended, thank you
- K
Kerry Blight
Another 5* visit with Daisy. From consultation to finish she was superb! I am SO happy with the result of this visit in the journey to lighter and I can’t wait to see where we end up next time. Will definitely be back and would highly recommend! Thank you!
Frequently Asked Questions
How long does a full head foils appointment take?
What's the difference between standard and packed full head foils?
How often will I need to return for maintenance?
Can I go very light blonde in one session?
Will full head foils damage my hair?
What should I do to prepare for my appointment?
What aftercare products do I need?
Is this service suitable for all hair types?
What does the £80 price include?
How is this different from partial foils or balayage?
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