Contents:

• Why London Specifically Needs a More Careful Search
• Why the Consultation Matters More Than the Price List
• Question 1: What Grade of Hair Do You Use?
• Question 2: How Many Years Has My Technician Been Bonding Hair?
• Question 3: What Bond Sizes Do You Offer, and Will You Recommend One Based on My Hair?
• Question 4: How Do You Handle a Patch Test Before Bonding?
• Question 5: What’s Included in the Quoted Price?
• Question 6: How Often Will I Need a Refit, and What Does That Cost?
• Question 7: Can I See Real Before-and-After Photos From Your Own Clients?
• Question 8: What Happens If Something Goes Wrong?
• Keratin Bonds vs the Alternative Most People Confuse With a “Salon Standard”
• What a Rushed Consultation Actually Looks Like
• Expert Insight
• What to Do If You’ve Already Booked Without Asking These Questions
• A Real Example
• Comparing Quotes Without Getting Confused by Different Formats
• FAQ
• Should I book a consultation separately from the application appointment?
• What’s a reasonable price range for a full-head application in London?
• How do I know if a salon is using ethically sourced hair?
• Is it normal to feel discomfort after a first application?
• Can I switch salons for my refit if I’m unhappy with my first application?

Most botched extensions in London didn’t happen because the client picked the wrong method — they happened because nobody asked the right questions before booking. That’s a bold claim, but it holds up against every case of premature breakage, visible bonds and mismatched colour this article’s research turned up: nearly all of it traces back to a consultation that skipped basic due diligence. Choosing a hair extension salon in London properly means asking specific, pointed questions before a deposit ever changes hands.

Why London Specifically Needs a More Careful Search

London has one of the densest concentrations of hair extension studios in the UK, which sounds like an advantage until you’re the one trying to filter genuine specialists from generalist salons that added extensions to their menu without investing in proper training. High footfall areas like the West End and Shoreditch see enough walk-in demand that some studios can get away with inconsistent quality for years, since a steady stream of new, unresearched clients keeps replacing the ones who leave dissatisfied. Asking pointed questions before booking is less optional in a market this size than it might be in a smaller town with fewer studios and, often, more accountability through word of mouth alone.

Why the Consultation Matters More Than the Price List

A salon’s price list tells you what they charge. It tells you nothing about hair sourcing, technician training, or how they handle a bad reaction to a bonding agent. The consultation is where all of that information actually surfaces, provided you know what to ask.

Question 1: What Grade of Hair Do You Use?

Single-donor, cuticle-intact remy hair behaves completely differently from blended or lower-grade bundles — it tangles less, holds colour better, and survives multiple refit cycles. Any hair extension salon in london worth booking should answer this specific question without hesitation, naming the hair grade and sourcing directly rather than deflecting with vague terms like “premium quality.”

Question 2: How Many Years Has My Technician Been Bonding Hair?

Ask specifically about the technician assigned to you, not the salon’s general reputation. A salon can have excellent senior stylists while still assigning newer trainees to walk-in bookings — confirm who’s actually doing the work.

Question 3: What Bond Sizes Do You Offer, and Will You Recommend One Based on My Hair?

A studio offering only one bond size for every client is a red flag. Options such as micro bonds hair extensions, alongside classic or nano alternatives, all suit different hair densities, and a proper consultation should assess your specific density and elasticity before recommending a size rather than defaulting to whatever’s fastest to apply.

Question 4: How Do You Handle a Patch Test Before Bonding?

Bonding agents can occasionally cause a reaction in sensitive scalps. A salon that skips patch testing entirely, or treats it as optional, isn’t prioritising client safety the way a reputable studio should.

Question 5: What’s Included in the Quoted Price?

Ask explicitly whether the quote covers the full amount of hair needed for your desired length and volume, or whether “extra thick” sections cost more once you’re already in the chair. Price transparency at the quoting stage is one of the clearest signals of a well-run studio.

Question 6: How Often Will I Need a Refit, and What Does That Cost?

A salon should walk you through the full refit cycle and cost, not just the initial application price, so you understand the real cost of ownership across a year rather than being surprised at the three-month mark.

Question 7: Can I See Real Before-and-After Photos From Your Own Clients?

Stock photos or heavily filtered images tell you nothing. Genuine, unedited before-and-after photos from actual clients — ideally with similar hair type to yours — are the most reliable evidence of a salon’s real-world results.

Question 8: What Happens If Something Goes Wrong?

Ask directly about their policy for irritation, slippage, or dissatisfaction with the result. A confident, specific answer here says more about a salon’s professionalism than almost anything else on this list.

Keratin Bonds vs the Alternative Most People Confuse With a “Salon Standard”

Many first-time clients assume every salon uses the same bonding process, when in reality there’s a meaningful difference between hot keratin bonding and the ultrasonic cold-fusion method. Hot bonding remains more widely available and generally more affordable; cold fusion suits already-damaged hair better but requires specialised equipment and training that not every salon has invested in. Asking which process a salon actually uses avoids assuming they’re interchangeable.

What a Rushed Consultation Actually Looks Like

It’s worth knowing the warning signs, not just the good questions. A rushed consultation often skips a physical hair assessment entirely, quoting a price based only on a phone call or a quick glance. It rarely mentions patch testing unless directly asked, and it tends to push toward booking the same day rather than giving you time to compare options. None of these signs alone is disqualifying, but two or three together are a reasonable reason to keep looking rather than committing a deposit on the spot.

Expert Insight

“The consultation should feel like an assessment, not a sales pitch,” says Priya Chandra, a senior extension technician who has trained stylists across several London studios. “If a salon can’t tell you their bond size range or hair sourcing without checking a script, that’s worth noting before you book.”

What to Do If You’ve Already Booked Without Asking These Questions

Not everyone reads a guide like this before their first appointment. If you’ve already booked and only now realise you skipped some of these questions, it’s not too late to ask them at the consultation itself, before any bonding actually starts. A reputable salon won’t be offended by a well-prepared client asking about hair grade, technician experience or refit costs on the day — if anything, most experienced stylists welcome it, since it signals a client who’ll follow aftercare instructions carefully too.

A Real Example

A client researching salons across London last year compared quotes from four studios before choosing Ivana Farisei specifically because they were the only one to proactively explain hair sourcing, patch testing, and refit costs without being asked. The appointment matched exactly what was described at consultation — no surprise add-ons, no upsell to a different bond size mid-appointment — which, she noted afterward, was rarer among London studios than she’d expected going in.

Comparing Quotes Without Getting Confused by Different Formats

London salons rarely present quotes the same way, which makes direct comparison harder than it should be. Some quote per gram of hair, others per full-head package regardless of exact hair volume, and a few quote per bond or per hour of technician time. Converting every quote to a single full-head price, including hair grade and expected refit cost, before comparing studios side by side removes the confusion that different pricing formats create and makes it much easier to spot which quote is genuinely the better value.

FAQ

Should I book a consultation separately from the application appointment?

Where possible, yes — a separate consultation gives you time to compare quotes and ask questions without feeling pressure to commit on the spot.

What’s a reasonable price range for a full-head application in London?

Expect £350 to £650 for quality keratin bonding in London, with variation depending on hair grade and bond size chosen.

How do I know if a salon is using ethically sourced hair?

Ask directly about single-donor traceability — a salon that can explain exactly where their hair comes from is generally more trustworthy than one offering vague reassurances.

Is it normal to feel discomfort after a first application?

Mild tightness in the first 48 hours is common as bonds settle; sharp or ongoing pain is not and should be reported to the salon promptly.

Can I switch salons for my refit if I’m unhappy with my first application?

Yes, though be aware that a new salon will need to assess the existing bonds before recommending whether to remove and reapply or continue the current cycle.

Booking the right hair extension salon in London comes down to how thoroughly you interview them before committing, not how polished their Instagram feed looks. A studio willing to answer all eight of these questions clearly and specifically has already demonstrated the kind of professionalism that tends to carry through into the actual appointment.